Updated on 2024/04/16

写真a

 
ITO Takeo
 
Organization
Graduate School of Environmental Studies Earthquake and Volcano Research Center Associate professor
Graduate School
Graduate School of Environmental Studies
Undergraduate School
School of Science Department of Earth and Planetary Science
Title
Associate professor
Contact information
メールアドレス
Homepage
http://www.seis.nagoya-u.ac.jp/~take/

Degree 1

  1. PhD. Kyoto Univ. （ 2003.3   Kyoto University ） 

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Research Interests 4

  1. GNSS

  2. earthquake

  3. crustal deformation

  4. Earth tide

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Research Areas 1

  1. Others / Others  / Science@Earth Science@Physics of Solid Earth

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Current Research Project and SDGs 4

  1. GNSSデータに基づく地震発生ポテンシャルの評価

  2. GNSSによるTEC変動応答の物理特性の解明

  3. 宇宙測地技術を用いた地殻活動状態の把握と応力蓄積状態の解明

  4. 地殻活動と火山活動のモニタリングに関する研究

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Research History 9

  1. Nagoya University   Graduate School of Environmental Studies Earthquake and Volcano Research Center   Associate professor

    2016.10

  2. Nagoya University   Graduate School of Environmental Studies

    2016.10

  3. Nagoya University   Lecturer

    2015.10 - 2016.9

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    Country：Japan

  4. Nagoya University   Assistant Professor

    2012.1 - 2015.9

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    Country：Japan

  5. 日本学術振興会　海外特別研究員   カリフォルニア工科大学

    2009.2 - 2011.2

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    Country：United States

  6. Nagoya University   Assistant Professor

    2007.4 - 2011.12

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    Country：Japan

  7. Nagoya University   Assistant

    2004.4 - 2007.3

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    Country：Japan

  8. Research Fellow of the Japan Society for the Promotion of Science (PD)

    2003.4 - 2004.3

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    Country：Japan

  9. Research Fellow of the Japan Society for the Promotion of Science (DC1)

    2000.4 - 2003.3

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    Country：Japan

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Education 1

  1. Kyoto University   Graduate School, Division of Natural Science   Division of Earth and Planetary Sciences

    - 2003

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    Country： Japan

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Professional Memberships 6

  1. Seismological Society of Japan

  2. The Geodetic Society of Japan

  3. American Geophysical Union

  4. 日本地球惑星科学連合

  5. The Geodetic Society of Japan

  6. Seismological Society of Japan

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To the head of Professional Memberships.▲

Committee Memberships 13

  1. 日本学術会議   地球惑星科学委員会IUGG分科会IAG小委員  

    2021.12   

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    Committee type：Government

  2. 日本測地学会   評議員  

    2021.6 - 2022.5   

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    Committee type：Academic society

  3. 日本測地学会   海外渡航旅費助成金審査委員  

    2020.6 - 2021.5   

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    Committee type：Academic society

  4. 日本測地学会   庶務委員長  

    2020.6 - 2021.5   

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    Committee type：Academic society

  5. 日本測地学会   日本地球惑星科学連合連絡委員  

    2020.6 - 2021.5   

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    Committee type：Academic society

  6. 日本測地学会   講演会オンライン検討WG  

    2020.6 - 2020.11   

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    Committee type：Academic society

  7. 日本測地学会   庶務副委員長  

    2019.6 - 2020.5   

  8. 地震予知連絡会   委員  

    2019.4 - 2021.3   

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    Committee type：Government

  9. 日本測地学会   評議員  

    2018.6 - 2020.5   

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    Committee type：Academic society

  10. Earth, Planets and Space, Editorial Board   Editors  

    2018.1 - 2022.12   

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    Committee type：Academic society

  11. Earth, Planets and Space, Editorial Board   Editors  

    2018.1 - 2022.12   

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    Committee type：Academic society

  12. 日本測地学会   評議員  

    2015.6 - 2017.5   

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    Committee type：Academic society

  13. 日本測地学会   評議員  

    2012.4 - 2014.5   

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Awards 4

  1. JSPRS AWARD, outstanding paper JAKARTA LAND SUBSIDENCE AND INUNDATION VULNERABILITY

    2013.10   The 34th Asian Conference on Remote Sending (ACRS)  

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    Country：Japan

  2. 日本測地学会賞坪井賞（個人賞）

    2013.10   日本測地学会  

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    Country：Japan

  3. JGN2アワード「アプリケーション賞」

    2008.1   独立行政法人情報通信研究機構  

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    Country：Japan

    この受賞は全国の地震観測研究機関として受賞し、名古屋大学環境科学研究科附属地震火山・防災研究センターの代表として受賞したものである。

  4. 日本測地学会第96回講演会にて「学生による講演会優秀発表」受賞題目:移動性地殻変動の検出の試み

    2001   日本測地学会  

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    Award type：Award from Japanese society, conference, symposium, etc.  Country：Japan

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Papers 73

  1. Probing asthenospheric density, temperature and elastic moduli below the Western United States Reviewed

    T. Ito and M. Simons

    Science   Vol. 322 ( 6032 ) page： 947-951   2011.4

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    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1126/science.1202584

  2. Physics-informed deep learning approach for modeling crustal deformation

    Okazaki, T; Ito, T; Hirahara, K; Ueda, N

    NATURE COMMUNICATIONS   Vol. 13 ( 1 )   2022.11

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Nature Communications  

    The movement and deformation of the Earth’s crust and upper mantle provide critical insights into the evolution of earthquake processes and future earthquake potentials. Crustal deformation can be modeled by dislocation models that represent earthquake faults in the crust as defects in a continuum medium. In this study, we propose a physics-informed deep learning approach to model crustal deformation due to earthquakes. Neural networks can represent continuous displacement fields in arbitrary geometrical structures and mechanical properties of rocks by incorporating governing equations and boundary conditions into a loss function. The polar coordinate system is introduced to accurately model the displacement discontinuity on a fault as a boundary condition. We illustrate the validity and usefulness of this approach through example problems with strike-slip faults. This approach has a potential advantage over conventional approaches in that it could be straightforwardly extended to high dimensional, anelastic, nonlinear, and inverse problems.

    DOI： 10.1038/s41467-022-34922-1

    Web of Science

    Scopus

    PubMed

  3. Asthenosphere rheology inferred from observations of the 2012 Indian Ocean earthquake Reviewed

    Yan Hu, Roland Bürgmann, Paramesh Banerjee, Lujia Feng, Emma M. Hill, Takeo Ito, Takao Tabei, and Kelin Wang

    Nature     2016.10

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： doi:10.1038/nature19787

  4. Complex rupture during the 12 January 2010 Haiti Earthquake Reviewed

    R. Briggs, A. Sladen, E. Fielding, C. Prentice, K. Hudnut, P. Mann, F. Taylor, A. Crone, R. Gold, T. Ito and M. Simons

    Nature Geoscience     2010.5

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： doi:10.1038/NGEO977

  5. Temporary slip speed increases during short-term slow slip events with durations of one to three hours Reviewed

    Earth, Planets and Space   Vol. 76 ( 45 )   2024.3

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： doi.org/10.1186/s40623-024-01983-z

  6. Evaluation of earthquake potential using a kinematic crustal block motion model in Java, Indonesia, based on GNSS observation Reviewed International coauthorship

    R. Raharja, T. Ito, I. Meilano

    Journal of Asian Earth Sciences: X   Vol. 1   2024.1

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： doi.org/10.1016/j.jaesx.2023.100171

  7. Present-day land subsidence over Semarang revealed by time series InSAR new small baseline subset technique

    Aditiya A., Ito T.

    International Journal of Applied Earth Observation and Geoinformation   Vol. 125   2023.12

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    Publisher：International Journal of Applied Earth Observation and Geoinformation  

    Over the last two decades, Semarang, located in the central region of Java island, Indonesia, has been undergoing significant land subsidence. Mainly attributed to reservoir compaction and fluid extraction, this subsidence has pronounced effects in coastal regions. However, the existing study on the details of subsidence and its application to accurately depict present circumstances has been insufficient. Utilizing the new small baseline subset technique and C-band SAR data from 2015 to 2022, this study delineates the spatial boundaries of land subsidence in Semarang and surrounding areas. Atmospheric effects were mitigated using the GACOS model during InSAR processing. The study reveals dominant vertical movements in Semarang's north coastal area, characterized by rapid and extensive changes. In contrast, horizontal movement shows relatively small changes in number to the east of the study area. Time series analysis indicates maximum subsidence rate of 100–120 mm/year in the northern and eastern part of Semarang and Demak. Available data from GNSS stations ensures the reliability of these findings. The correlation coefficient of 0.86 indicated substantial association between groundwater and deformation. Approximately 20 % of Semarang's land area is affected by land subsidence, which is notably more prevalent in alluvial soils and densely populated regions. In Demak, subsidence is primarily observed in agricultural regions, whereas in Kendal, the 50 mm/year subsidence rate represents a growing concern. This accelerating phenomenon poses substantial risks to the local environment and economic sectors. All authorities must harmonize regulations to force their roles, produce details spatial plan maps, and establish mitigation and adaptation infrastructure to handle the current crisis realistically.

    DOI： 10.1016/j.jag.2023.103579

    Scopus

  8. Time Series InSAR Analysis over Jakarta Metropolitan Area Invited Reviewed International coauthorship

    Agustan, Takeo Ito, Estu Kriswati, Hari Priyadi, Heri Sadmono, Rika Hernawati

    2022 IEEE Asia-Pacific Conference on Geoscience, Electronics and Remote Sensing Technology     2023.4

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    Language：English   Publishing type：Research paper (international conference proceedings)  

    DOI： 10.1109/AGERS56232.2022.10093289

  9. Time Series InSAR for Ground Deformation Observation in Semarang Area, Central Java Reviewed

    APSAR 2023 - 2023 8th Asia-Pacific Conference on Synthetic Aperture Radar     2023

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    Language：English   Publishing type：Research paper (international conference proceedings)   Publisher：APSAR 2023 - 2023 8th Asia-Pacific Conference on Synthetic Aperture Radar  

    The initiatives of open data and open platforms, combined with on-demand data processing in Synthetic Aperture Radar (SAR), enable more straightforward and accessible ground deformation research worldwide. The Alaska Satellite Facility Distributed Active Archive Center (ASF DAAC) provides high-quality interferogram combination pairs based on the Small Baseline Subset (SBAS) technique and on-demand InSAR data analysis known as HyP3. HyP3 offers unwrapped phase data from Sentinel-1 satellites and other derived products that can be utilized with open-source deformation software such as Mintpy. This research aims to assess the quality of interferogram combination pairs by configuring networks of perpendicular and temporal baselines for observing ground deformation in Semarang, Central Java, Indonesia. The study demonstrates that HyP3 products enable time series analysis to determine deformation rates. Over 8.4 years, from November 15th, 2014, to April 14th, 2023, the Simpang Lima landmark in Semarang experienced an approximate subsidence rate of -0.87 cm/year. However, the maximum subsidence rate of approximately 11 cm/year was observed in the southeastern part of Semarang.

    DOI： 10.1109/APSAR58496.2023.10388980

    Scopus

  10. Machine-learning-based detection of volcano seismicity using the spatial pattern of amplitudes Reviewed

    Y. Maeda,Y. Yamanaka, T. Ito, S. Horikawa

    Geophysical Journal International   Vol. 225 ( 1 ) page： 416 - 444   2021.4

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    Language：Japanese   Publishing type：Research paper (scientific journal)  

    DOI： 10.1093/gji/ggaa593

    Web of Science

    Scopus

  11. Land Subsidence Rate of Jakarta Metropolitan Area Observed By Stacking Sentinel-1 Data

    Agustan, A; Kriswati, E; Ito, T; Abdullah, FM; Anantasena, Y; Nugroho, D

    2021 IEEE ASIA-PACIFIC CONFERENCE ON GEOSCIENCE, ELECTRONICS AND REMOTE SENSING TECHNOLOGY (AGERS-2021)     page： 69 - 72   2021

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    Publisher：2021 IEEE Asia-Pacific Conference on Geoscience, Electronics and Remote Sensing Technology, AGERS 2021 - Proceeding  

    The growth of Jakarta metropolitan area as capital city is increase from time to time. Even the rate of population growth tends to decline, but population still stresses Jakarta environment. The surface changes and ground deformation related to city growth can be observed continuously by satellite-based remote sensing. The launch of Sentinel-1 satellite with radar mission through Copernicus, which is a joint initiative of the European Commission and European Space Agency, enables continuous observation of earth's surface. This paper describes a study of ground deformation rate of Jakarta metropolitan area observed by processing Sentinel-1 data based on interferometric Synthetic Aperture Radar method. Only small perpendicular baselines of SAR data pairs are selected from 2015 to 2019 to avoid the use of external Digital Elevation Model data. The land subsidence rate is obtained by stacking the unwrapped phase and it is found that the rate is different across the region. In the western part, the rate is around -2cm/year whereas in the eastern part is around -3cm/year. The pattern and the rate of land subsidence are confirmed by ascending and descending orbit direction.

    DOI： 10.1109/AGERS53903.2021.9617239

    Web of Science

    Scopus

  12. Urgent Joint Seismic Observation Data of the 2016 Kumamoto Earthquakes

    SHITO Azusa, MITSUOKA Ayaho, MATSUMOTO Satoshi, MATSUSHIMA Takeshi, AIZAWA Koki, SHIMIZU Hiroshi, UCHIDA Kazunari, KAMIZONO Megumi, TEGURI Yoshiko, NAKAMOTO Manami, MIYAMACHI Rintaro, ICHIYANAGI Masayoshi, OHZONO Mako, OKADA Kazumi, KATSUMATA Kei, TAKADA Masamitsu, TAKAHASHI Hiroaki, TANIOKA Yuichiro, YAMAGUCHI Teruhiro, KOSUGA Masahiro, AZUMA Ryosuke, UCHIDA Naoki, EMOTO Kentaro, OHTA Yusaku, OKADA Tomomi, KAIDA Toshiki, KOZONO Tomofumi, SUZUKI Syuichi, TAKAGI Ryota, DEMACHI Tomotsugu, NAKAHARA Hisashi, NAKAYAMA Takashi, HIRAHARA Satoshi, MATSUZAWA Toru, MIURA Satoshi, YAMAMOTO Mare, IMANISHI Kazutoshi, UCHIDE Takahiko, YOSHIMI Masayuki, AOI Shin, ASANO Youichi, UENO Tomotake, FUJITA Eisuke, ABE Eiji, IIDAKA Takashi, IWASAKI Takaya, KATO Aitaro, KURASHIMO Eiji, SAKAI Shin’ichi, SHIINA Takahiro, SERIZAWA Masato, TANAKA Shinichi, NAKAGAWA Shigeki, HIRATA Naoshi, MASUDA Masataka, MIYAKAWA Koji, YAGI Takeo, WATANABE Atsushi, GOTO Kazuhiko, ITO Takeo, OKUDA Takashi, TERAKAWA Toshiko, HORIKAWA Shinichiro, MAEDA Yuta, MATSUHIRO Kenjiro, YAMANAKA Yoshiko, WATANABE Toshiki, IIO Yoshihisa, KATAO Hiroshi, KANO Yasuyuki, TSUDA Hiroo, MIURA Tsutomu, MURAMOTO Tomoya, YAMASHITA Yusuke, OKUBO Makoto, YAMASHINA Tadashi, OHKURA Takahiro, NAKAO Shigeru, HIRANO Shuichiro, MIYAMACHI Hiroki, YAKIWARA Hiroshi

    Zisin (Journal of the Seismological Society of Japan. 2nd ser.)   Vol. 73 ( 0 ) page： 149 - 157   2020.10

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：SEISMOLOGICAL SOCIETY OF JAPAN  

    DOI： 10.4294/zisin.2019-11

    CiNii Research

  13. Earthquake potential in Costa Rica using three scenarios for the Central Costa Rica Deformed Belt as western boundary of the Panama Microplate Reviewed

    Luis Alejandro Carvajal Soto, T. Ito, M. Protti, H. Kimura

    Journal of South American Earth Sciences   Vol. 97   page： 102375   2020.1

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.jsames.2019.102375

    Web of Science

    Scopus

  14. Ground Deformation Identification related to 2018 Lombok Earthquake Series based on Sentinel-1 Data Reviewed

    Agustan, Rahma, N. Hanifa, Yudi Anantasena, M. Sadly, Takeo Ito

    The 4th International Conference of Indonesian Society for Remote Sensing   Vol. 280 ( 1 )   2019.8

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1088/1755-1315/280/1/012004

    Scopus

  15. Interplate Coupling Distribution along the Nankai Trough in Southwest Japan estimated from the Block Motion Model based on Onshore GNSS and Seafloor GNSS/A Observations Reviewed

    H. Kimura, K. Tadokoro and T.Ito

    Journal of Geophysical Research   Vol. 124 ( 6 ) page： 6140 - 6164   2019.6

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1029/2018JB016159

    Web of Science

  16. Evaluation of the 2012 Indian Ocean coseismic fault model in 3-D heterogeneous structure based on vertical and horizontal GNSS observation, Reviewed

    C. Pratama, T. Ito, T. Tabei, F. Kimata, E. Gunawan, Y. Ohta, T. Yamashina, I. Nurding, D. Sugiyanto, U. Muksin, N. Ismail, I. Meilano

    AIP Conference Proceedings   Vol. 1987 ( 1987 ) page： 020011   2018.7

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1063/1.5047296

    Web of Science

    Scopus

  17. Spatio-temporal afterslip distribution following the 2011 Tohoku-Oki earthquake using 3D viscoelastic Green's functions Reviewed

    T. Ito, S. Suzuki, K. Kachishige, M. Hyodo

    AIP Conference Proceedings   Vol. 1987 ( 1987 ) page： 020056   2018.7

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1063/1.5047341

    Web of Science

    Scopus

  18. Coseismic Slip Distribution of the 2 July 2013 Mw 6.1 Aceh, Indonesia, Earthquake and Its Tectonic Implications Reviewed

    Endra Gunawan, Sri Widiyantoro, Shindy Rosalia, Mudrik Rahmawan, Daryono, Irwan Meilano, Pepen Supendi, Takeo Ito, Takao Tabei, Fumiaki Kimata, Yusaku Ohta, Nazli Ismail

    Bulletin of the Seismological Society of America   Vol. 108 ( 4 ) page： 1918 - 1928   2018.6

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1785/0120180035

    Web of Science

    Scopus

  19. Transient rheology of the oceanic asthenosphere following the 2012 Indian Ocean Earthquake inferred from geodetic data Reviewed

    Cecep Pratama, Takeo Ito, Ryohei Sasajima, Takao Tabei, Fumiaki Kimata, Endra Gunawan, Yusaku Ohta, Tadashi Yamashina, Nazli Ismail, Irwandi Nurdin, Didik Sugiyanto, Umar Muksin, Irwan Meilano

    JOURNAL OF ASIAN EARTH SCIENCES   Vol. 147   page： 50 - 59   2017.10

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：PERGAMON-ELSEVIER SCIENCE LTD  

    Postseismic motion in the middle-field (100-500 km from the epicenter) geodetic data resulting from the 2012 Indian Ocean earthquake exhibited rapid change during the two months following the rupture. This pattern probably indicates multiple postseismic deformation mechanisms and might have been controlled by transient rheology. Therefore, the relative contribution of transient rheology in the oceanic asthenosphere and afterslip in the oceanic lithosphere should be incorporated to explain short- and long-term transitional features of post seismic signals. In this study, using two years of post-earthquake geodetic data from northern Sumatra, a three-dimensional spherical-earth finite-element model was constructed based on a heterogeneous structure and incorporating transient rheology. A rheology model combined with stress-driven afterslip was estimated. Our best fit model suggests an oceanic lithosphere thickness of 75 km with oceanic asthenosphere viscosity values of 1 x 10(17) Pas and 2 x 10(18) Pa s for the Kelvin and Maxwell viscosity models, respectively. The model results indicate that horizontal landward motion and vertical uplift in northern Sumatra require viscoelastic relaxation of the oceanic asthenosphere coupled with afterslip in the lithosphere. The present study demonstrates that transient rheology is essential for reproducing the rapidly changing motion of postseismic deformation in the middle-field area.

    DOI： 10.1016/j.jseaes.2017.07.049

    Web of Science

    Scopus

  20. Anisotropic Horizontal Thermal Contraction of Young Oceanic Lithosphere Inferred From Stress Release Due To Oceanic Intraplate Earthquakes Reviewed

    Ryohei Sasajima, Takeo Ito

    TECTONICS   Vol. 36 ( 10 ) page： 1988 - 2021   2017.10

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：AMER GEOPHYSICAL UNION  

    How freely the oceanic lithosphere contracts horizontally due to thermal contraction is important information, because it reflects the boundary condition of the oceanic lithosphere, which includes information regarding the magnitude of driving/resisting forces of plate tectonics. We investigated the horizontal thermal contraction of young oceanic lithosphere using an analysis of the intraplate stress release due to oceanic intraplate earthquakes (OCEQs) and numerical simulations. The stress release due to OCEQs in young oceanic lithosphere (5-15 Ma) shows significant differences between the spreading directional component and the ridge-parallel component. The extensional stress release of the ridge-parallel component is 6 times as large as that of the spreading directional component, while the compressional stress release of the ridge-parallel component is one seventh that of the spreading directional component. We conducted a numerical simulation of the thermal stress evolution of the oceanic lithosphere to investigate how the difference in the horizontal contraction rates between the spreading direction and the ridge-parallel direction can explain the observed anisotropic stress release. The result indicates that young oceanic lithosphere (5-15 Ma) barely contracts in the ridge-parallel direction (only 0-30% of the spreading directional contraction rate), while it contracts freely in the spreading direction due to the weakness of the oceanic ridge strength and the low-viscosity asthenosphere. From the results, we constrained the magnitude of the basal traction working on the bottom of the oceanic lithosphere to be smaller than 0.44 MPa.
    Plain Language Summary How freely the oceanic lithosphere contracts horizontally due to thermal contraction is important information, because it reflects the boundary condition of the oceanic lithosphere, which includes information regarding the magnitude of driving/resisting forces of plate tectonics. We investigated the horizontal thermal contraction of the oceanic lithosphere using an analysis of the intraplate stress release due to oceanic intraplate earthquakes and found a significant anisotropy in the stress release in young oceanic lithosphere, that is, extensional stress release dominates in the ridge-parallel component while compressional stress release dominates in the spreading direction. Using a numerical simulation with the comparison to this observed result, we revealed that young oceanic lithosphere barely contracts in the ridge-parallel direction (only 0-25% of the spreading directional contraction rate), while it contracts freely in the spreading direction. The nearly free spreading directional contraction requires the smallness of the basal resistance traction on the bottom of the oceanic lithosphere, which implies the low-viscosity (weakness) of the oceanic asthenosphere. The ridge-parallel extensional thermal stress due to the estimated small ridge-parallel contraction may play a role in the weakening of the strength of the long oceanic transform faults; therefore, it may contribute to reduce the resistance to the seafloor spreading.

    DOI： 10.1002/2017TC004680

    Web of Science

    Scopus

  21. B-Value And Slip Rate Sensitivity Analysis For PGA Value In Lembang Fault And Cimandiri Fault Area Reviewed

    Cecep Pratama, Takeo Ito, Irwan Meilano, Andri Dian Nugraha

    PROCEEDING OF THE 6TH INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2016   Vol. 1857   2017.7

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    Language：English   Publishing type：Research paper (international conference proceedings)   Publisher：AMER INST PHYSICS  

    We examine slip rate and b-value contribution of Peak Ground Acceleration (PGA), in probabilistic seismic hazard maps (10% probability of exceedence in 50 years or 500 years return period). Hazard curve of PGA have been investigated for Sukabumi and Bandung using a PSHA (Probabilistic Seismic Hazard Analysis). We observe that the most influence in the hazard estimate is crustal fault. Monte Carlo approach has been developed to assess the sensitivity. Uncertainty and coefficient of variation from slip rate and b-value in Lembang and Cimandiri Fault area have been calculated. We observe that seismic hazard estimates are sensitive to fault slip rate and b-value with uncertainty result are 0.25 g dan 0.1-0.2 g, respectively. For specific site, we found seismic hazard estimate are 0.4 + 0.13 g with COV 27% and 0.3 + 0.05 g with COV 13% for Sukabumi and Bandung, respectively.

    DOI： 10.1063/1.4987083

    Web of Science

    Scopus

  22. Geodetic and geomorphic evaluations of earthquake generation potential of the northern Sumatran fault, Indonesia Reviewed

    Takao Tabei, Fumiaki Kimata, Takeo Ito, Endra Gunawan, Hiroyuki Tsutsumi, Yusaku Ohta, Tadashi Yamashina, Yoshio Soeda, Nazli Ismail, Irwandi Nurdin, Didik Sugiyanto, Irwan Meilano

    International Association of Geodesy Symposia   Vol. 145   page： 21 - 28   2017

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    Language：English   Publishing type：Research paper (international conference proceedings)   Publisher：Springer Verlag  

    We have conducted geodetic and geomorphic observations in the northernmost part of Sumatra, Indonesia to monitor strain accumulation in the vicinity of the northern Sumatran fault. Evaluation of the earthquake generation potential in this region is highly urgent because of a large fault slip rate, absence of major earthquakes for more than 100 years and recent Coulomb stress increase on the fault due to the 2004 Sumatra-Andaman earthquake (Mw 9:2).We have deployed Aceh GPS Network for the Sumatran Fault System (AGNeSS) since 2005. The data collected have been used for estimating slip/locking distribution of the Sumatran fault and constructing a comprehensive model for postseismic deformation after the 2004 event. Tectonic geomorphic features are also important to reveal long-term slip history of the fault. We have used high-resolution stereo-paired ALOS (Advanced Land Observing Satellite) PRISM (Panchromatic Remote-sensing Instrument for Stereo Mapping) satellite images to map the surface trace of the Sumatran fault and conducted field observations to ensure the trace by geomorphic and geologic evidence. We introduce preliminary results of the fault mapping together with a brief description of the crustal deformation field detected by GPS.

    DOI： 10.1007/1345_2015_200

    Scopus

  23. Inhomogeneous Spherical-Earth Finite Element Model of Coseismic Offset due to The 2012 Indian Ocean Earthquake Reviewed

    Cecep Pratama, Takeo Ito, Takao Tabei

    PROCEEDING OF THE 6TH INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2016   Vol. 1857   2017

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    Language：English   Publishing type：Research paper (international conference proceedings)   Publisher：AMER INST PHYSICS  

    On April 11, 2012, a Mw 8.6 earthquake struck off the west coast of northern Sumatra approximately 300 km west of the Sunda trench following by Mw 8.2 two hours afterward. The 2012 Indian Ocean Earthquake sequence, which was the largest intraplate earthquake in recorded history, yielded seismic moment of 1.2-1.3 x 10(22) N m and 0.2-0.3 x 10(22) N m for the main shock (Mw 8.6) and the after shock (Mw 8.2), respectively. Aceh GPS Network for Sumatran Fault System (AGNeSS) observed a predominantly ENE coseismic offset up to 10 cm while the sites on the Andaman Island observed southward and southern part Sumatra GPS Array (SuGar) network observed northward. Limited far-field and inland GPS observation network might lead the homogeneous and half-space model insufficient to explain the coseismic offset. In that of sense, in order to estimate more realistic surface displacement due to complex subduction and far-field GPS station, we consider developing inhomogeneous three-dimensional finite element model incorporate subducting slab, three-dimensional velocity earth structure, realistic topography and bathymetry as well as sphericity of the earth. We calculate coseismic offset by forward modeling using slip distribution as reported from Wei et al. [7]. This study investigates the effect of inhomogeneous structure and spherical geometry model in reproducing actual coseimic offset due to 2012 Indian Ocean Earthquake.

    DOI： 10.1063/1.4987066

    Web of Science

    Scopus

  24. Measuring Deformation in Jakarta through Long Term Synthetic Aperture Radar (SAR) Data Analysis Reviewed

    Agustan, Albertus Sulaiman, Takeo Ito

    2nd International Conference of Indonesian Society for Remote Sensing (ICOIRS)   Vol. 47 ( 1 )   2016.12

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    DOI： 10.1088/1755-1315/47/1/012022

  25. Strain rate dependency of oceanic intraplate earthquake b-values at extremely low strain rates Reviewed

    R.Sasajima and T. Ito

    J. Geophys. Res     2016.6

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    DOI： doi:10.1002/2016JB013221

  26. Co-seismic offsets due to two earthquakes (Mw 6.1) along the Sumatran fault system derived from GNSS measurements Reviewed

    T. Ito, E. Gunawan, F. Kimata, T. Tabei, I. Meilano, Agustan, Y. Ohta, N. Ismail, I. Nurdin and D. Sugiyanto

    Earth, Planets and Space     2016.4

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    DOI： doi:10.1186/s40623-016-0427-z

  27. The Sensitivity of Surface Mass Loading Displacement Response to Peturbations in the Elastic Structure of the Crust and Mantle Reviewed

    H. R. Martens, L. Rivera, M. Simons, and T. Ito

    J. Geophys. Res. Solid Earth   Vol. 121   2016.3

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    DOI： doi:10.1002/2015JB012456

  28. 地震や火山の活動を捉えるミリメートル制度のGNSS観測

    伊藤 武男

    名古屋大学理学部技術報告   ( 20 ) page： 19-23   2016.3

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    Authorship：Lead author   Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)  

  29. Studies of Internal Structure of the Earth and Geodynamics based on Geodesy Invited Reviewed

      Vol. 61 ( 1 ) page： 1-15   2015.4

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  30. 海洋潮汐がトリガーとなる氷河地震

    伊藤 武男，古本 宗充

    月刊 地球   Vol. 425 ( 37 ) page： 37-43   2015.2

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  31. A comprehensive model of postseismic deformation of the 2004 Sumatra-Andaman earthquake deduced from GPS observations in northern Sumatra Reviewed

    E. Gunawan, T. Sagiya, T. Ito, F. Kimata, T. Tabei, Y. Ohta, I. Meilano, H. Z. Abidine, Agustan, I. Nurdin and D. Sugiyanto

    Journal Asian Earth Sciences     page： Journal Asian Earth Sciences   2014

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    DOI： doi:10.1016/j.jseaes.2014.03.016

  32. Isolating along-strike variations in the depth extent of shallow creep and fault locking on the northern Great Sumatran Fault Reviewed

    Ito, T., E. Gunawan, F. Kimata, T. Tabei, M. Simons, I. Meilano, Agustan, Y. Ohta, I. Nurdin, and D. Sugiyanto

    Journal of Geophysical Research     2012.5

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    DOI： doi:10.1029/2011JB008940

  33. Slip distribution of the 2011 off the Pacific coast of Tohoku Earthquake inferred from geodetic data Reviewed

    Takeo Ito, Kazuhiro Ozawa, Tsuyoshi Watanabe, and Takeshi Sagiya

    Earth Planets Space   Vol. 63   page： 627-630   2011.9

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  34. Ground deformation detected by AGNeSS (Aceh GPS Network for Sumatran fault System) in North Sumatra after the 2004 Sumatra-Andaman earthquake

    Endra Gunawan, Takeo Ito, Fumiaki Kimata, Takeshi Sagiya, Takao Tabei, Didik Sugiyanto/Irwandi, Irwan Meilano, Mipi A. Kusuma, Hasanuddin Z. Abidin, Agustan

    The 6th Investigation Report of 2004 Northern Sumatra Earthquakes     page： 112-121   2010.7

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  35. Spatio-temporal distribution of magma intrusions inducing repeated earthquake swarms off the east coast of the Izu peninsula, central Japan, for 1973-1998 Reviewed

    Masayuki Murase, Takeo Ito, Yoshinari Hayashi, Takeshi Sagiya, Fumiaki Kimata and Hidefumi Watanabe

    Journal of Volcanology and Geothermal Research   Vol. 193 ( 1-2 ) page： 25-36   2010.3

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  36. スマトラ島北西部のスマトラ断層における地震発生ポテンシャル

    伊藤 武男, Endra Gunawan, 木股 文昭, 田部井 隆雄, Irwandi, Agstan, Irwan Meilano, Mark Simons

    名古屋大学環境学研究科 2004 年北部スマトラ地震調査報告VI     page： 107-111   2010

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  37. High resolution mapping of Earth tide response based on GPS data in Japan Reviewed

    Takeo Ito, M. Okubo, T. Sagiya

    Journal of Geodynamics     page： 10.1016/j.jog.2009.09.012   2009.11

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  38. Crustal Deformation Studies in Java (Indonesia) Using GPS Reviewed

    H. Z. Abidin, H. Andreas, T. Kato, T. Ito, I. Meilano, F. Kimata, D. H. Natawidjaya, H. Harjono

    Journal of Earthquake and Tsunami   Vol. 3 ( 2 ) page： 76-88   2009.10

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  39. Field challenge of continues GPS array maintenance on Sumatra Fault: report of the August 2008 AGNeSS continue site investigation

    Irwandi, T. Ito, ,F. Kimata

    The 5th Investigation Report of 2004 Northern Sumatra Earthquakes, Graduate School of Environmental Studies, Nagoya University     page： 109-118   2009.5

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  40. スマトラGPS観測網（AGNeSS）のシステムの紹介

    伊藤武男、木股文昭、Agstan、Endra Gunawan、田部井隆雄、Irwan Meilano、Didik Sugiyanto、Irwandi

    名古屋大学全学技術センター（理学）装置開発系技術報告   Vol. 4   page： 26-29   2009

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    インドネシアスマトラ島においてGPS観測網を展開した．本論文は，その際に用いた観測システムの紹介をしている．このGPS観測網は観測データをオフラインで取得しているが，電力供給などが不安定なため，ソーラーパネルを併用した観測となっている．一方，観測機器は予算の都合上，一昔前の観測機器を用いているため，現地収録のメモリが小さいため，数日しか観測できない．そのため，超小型PC　(20cm×12cm×3cm)を現地に設置して，自動でデータを収集するシステムを構築した．

  41. Coseismic and postseismic deformation related to the 2007 Chuetsu-oki, Niigata Earthquake Reviewed

    Ohta, Y., S. Miura, T. Iinuma, K. Tachibana, T. Matsushima, H. Takahashi, T. Sagiya, T. Ito, S. Miyazaki, R. Doke, A. Takeuchi, K. Miyao, A. Hirao, T. Maeda, T. Yamaguchi, M. Takada, M. Iwakuni, T. Ochi, I. Meilano, and A. Hasegawa

    Earth Planets Space   Vol. 60 ( 11 ) page： 1081-1086   2008.11

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  42. Postseismic slip associated with the 2007 Chuetsu-oki, Niigata, Japan, Earthquake (M 6.8 on 16 July 2007) as inferred from GPS data Reviewed

    Takeshi Iinuma, Yusaku Ohta, Satoshi Miura, Kenji Tachibana, Takeshi Matsushima, Hiroaki Takahashi, Takeshi Sagiya, Takeo Ito, Shin'ichi Miyazaki, Ryosuke Doke, Akira Takeuchi, Kayo Miyao, Akihiko Hirao, Takahiro Maeda, Teruhiro Yamaguchi, Masamitsu Takada, Makiko Iwakuni, Tadafumi Ochi, Irwan Meilano, and Akira Hasegawa

    Earth Planets Space   Vol. 60 ( 11 ) page： 1087-1091   2008.11

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  43. Post-seismic crustal movements derived from GPS observations due to the 2004 Sumatra-Andaman earthquake

    T.Kato, C.D.Reddy, S.K. Prajapati, F.Kimata, Agustan, I.Meilano, Y.Ohta, T.Ito, D.Darmawan, H.Andreas, H.Z.Abidin, M.A.Kusuma, D.Sugianto, T.Tabei, M.Satomura, P.Wu and M.Hashimoto

    Proceedings of the Inernational Symposium on the Restoration Program from Giant Earthquaeks and Tsunamis     page： 43-48   2008.1

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  44. *The construction of new dense GPS observation network: AGNeSS (Aceh GPS Network for Sumatran Fault System)

    T.Ito, Agustan, I.meilano, T.Tabei and F.Kimata

    Proceedings of the Inernational Symposium on the Restoration Program from Giant Earthquaeks and Tsunamis     page： 63-67   2008.1

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    Authorship：Lead author   Language：English  

  45. Post-seismic Phase Duration of the 2004 Sumatra-Andaman Earthquake as Estimated from GPS Continuous Data

    H.Z.Abidin, I.Malra, H.Andreas, I.Meilano, F.Kimata, T.Ito, Y.Ohtra, Agustan and D.Sugiyanto

    Proceedings of the Inernational Symposium on the Restoration Program from Giant Earthquaeks and Tsunamis     page： 57-61   2008.1

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  46. インドネシア国スマトラにおけるGPS観測のための予備調査ースマトラのGPS観測による2004年アチェ・アンダマン地震の滑り分布の推定ー

    木股文昭・伊藤武男・太田雄策・Meilano IRWAN・田部井隆雄

    防災科学技術研究所資料   Vol. 304   2007.3

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  47. スマトラアンダマン地震の地震測地学的な側面からの知見

    伊藤 武男, 太田 雄策, Irwan Meilano, 木股 文昭

        page： 11－14   2007

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  48. Two Yeares GPS Observation in Aceh

    M. Irwan, Y. Ohta, F. Kimata, T. Ito, T. Tabei, D. Darmawan, H. Andreas, A. Hasannudin, K. Mipi, S. Sugiyanto, Agustan

    The 3rd Investigation Report of 2004 Northern Sumatra Earthquakes, Graduate School of Environmental Studies, Nagoya University     page： 7－10   2007

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  49. Time-dependent model for volume changes in pressure sources at Asama volcano, central Japan due to vertical deformations detected by precise leveling during 1902-2005 Reviewed

    Masayuki Murase, Koji Ono, Takeo Ito, Rikio Miyajima, Hitoshi Mori, Hiroshi Aoyama, Hiromitu Oshima, Yuka Yoshida, Akihiko Terada, Eturo Koyama, Toyotarou Takeda, Hidefumi Watanabe, Fumiaki Kimata, Naoyuki Fujii

    Journal of Volcanology and Geothermal Research   Vol. 164   page： 54-75   2007

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  50. Preliminary report on crustal deformation surveys and tsunami measurements caused by the july 17, 2006 South off Java Island Earthquake and Tsunami, Indonesia Reviewed

    Teruyuki Kato, Takeo Ito, Hasanuddin Z. Abidin, and Agustan

    Earth Planets Space   Vol. 59   page： 1055-1059   2007

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  51. High-resolution aftershock observations in the source region of the 2004 mid-Niigata Prefecture Earthquake Reviewed

    Aitaro Kato and The Research Team of aftershock observations for the 2004 mid-Niigata Prefecture Earthquake

    Earth Planets Space   Vol. 59   page： 923-928   2007

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  52. 地震火山・防災研究センターの観測網のIP網化について

    伊藤 武男

    名古屋大学全学技術センター（理学）装置開発系技術報告   Vol. 1   page： 41-44   2006

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    当センターの観測システムをIP網化した際のノウハウを記した報告書です．とくに，現状のシステムを止める事無く，新しいシステムに移行することや，地震観測網と地殻変動連続観測網との統合などについて，記してある．これらの技術は一般的なネットワーク技術であるため，汎用性は高い．

  53. Evaluation of visco-elastic and poro-elastic deformations following 2004 Sumatra-Andaman earthquake

    T. Ito, S. Kawamoto, Y. Ohota, I. Meilano and F. Kimata

    Investigation Report of 2004 Northern Sumatra Earthquakes (part 2), Graduate School of Environmental Studies, Nagoya University     page： 114-119   2006

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  54. Crustal deformation following the 2004 Sumatra-Andaman earthquake in the northern Sumatra region (Preliminary Report)

    Y. Ohota, M. Irwan, T. Ito, F. Kimata, T. Tabei and D. Sugiyanto

    Investigation Report of 2004 Northern Sumatra Earthquakes (part 2), Graduate School of Environmental Studies, Nagoya University     page： 109-113   2006

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  55. Seismic exploration at Fuji volcano with active sources-The outline of the experiment and the arrival time data- Reviewed

      Vol. 81 ( 1 ) page： 71-94   2006

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  56. GPS measurement of coseismic displacement in Aceh province after the 2004 Aceh-Andaman earthquake Investigation Report of 2004 Northern Sumatra Earthquakes (part 2)

    M. Irwan, Y. Ohota, D. Darmawan, H. Andreas, H. Z. Abidin, M. A. Kusuma, D. Sugiyanto, Agustan, T. Ito, T. Tabei and F. Kimata

    Investigation Report of 2004 Northern Sumatra Earthquakes (part 2), Graduate School of Environmental Studies, Nagoya University     page： 103-108   2006

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  57. スマトラのＧＰＳ観測から見えてきた滑り分布：スマトラアチェでのＧＰＳ観測から見えてきた2004年アチェ・アンダマン地震の滑り分布

    木股文昭・伊藤武男・太田雄策・メイラノイルワン・田部井隆雄

    月刊地球、スマトラ地震特集号     page： 86-94   2006

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  58. 石英管伸縮計で観測された低周波地震活動に関する歪変化

    仮屋新一, 伊藤武男, 山内常生, 木股文昭

    東濃地震科学研究所報告   Vol. 20   page： 185-196   2006

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  59. Nonlinear multidimensional scaling and visualization of earthquake clusters over space, time and feature space Reviewed

    W. Dzwinel, D.A. Yuen, K. Boryczko, Y. Ben-Zion, S. Yoshioka, and T. Ito

    Nonlinear Processes in Geophysics   Vol. 12   page： 117－128   2005

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  60. GPSデータに基づくスマトラ沖地震の余効変動

    太田 雄策, Meilano Irwan, 伊藤 武男, 木股 文昭, 田部井 隆雄, Didik Sugiyant

    地震学会ニュースレター   Vol. 7   page： 21-22   2005

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  61. スマトラ沖地震のGPS観測

    伊藤 武男, 木股 文昭, イルワン メイラノ, 太田 雄策, 田部井 隆雄

    地震学会ニュースレター   Vol. 5   page： 15-17   2005

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  62. 変動地形に基づく2004年中越地震の断層モデル Reviewed

    渡辺 満久, 鈴木 康弘, 伊藤 武男

    地震   Vol. 2 ( 58 ) page： 297－307   2005

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  63. 稠密GPS観測による2003年十勝沖地震の余効変動観測

    笠原 稔, 高橋 浩晃, 岡崎 紀俊, 中尾 茂, 鷺谷 威, 伊藤 武男, 大谷 文夫, 佐藤 一敏, 藤田 安良, 橋本 学, 細 善信, 加藤 照之, 飯沼 卓史, 福田 淳一, 松島 健, 河野 裕希

    月刊 地球, 号外   Vol. 49   page： 105-111   2005

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  64. 御嶽山群発地震域において精密水準測量から検出された地盤の隆起変動 2002年4月-2004年4月

    木股文昭,村瀬雅之宮,島力雄,Dudy Darmawan,伊藤武男,高野和友,太田雄策,Irwan Meirano,Herri Anderson,David Solim,Fauzan Ibrahim,小山悦郎,辻 浩,高山鐵郎,内田和也,岡田 純

    東濃地震科学研究所報告書   Vol. 14   page： 7-18   2004.5

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  65. *Spatiotemporal distribution of interplate coupling in southwest Japan from inversion of geodetic data Reviewed

    T. Ito, M. Hashimoto

    Journal of Geophysical Research     page： 2002JB002358RR   2004

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  66. GPS observation of the first month of postseismic crustal deformation associated with the 2003 Tokachi-oki earthquake (Mjma 8.0), off southeastern Hokkaido, Japan Reviewed

    H. Takahashi, S. Nakao, N. Okazaki, J. Koyama, T. Sagiya, T. Ito, F. Ohya, K. Sato, Y. Fujita, M. Hashimoto, Y. Hoso, T. Kato, T. Iinuma, J. Fukuda, T. Matsushima, Y. Kohno, and M. Kasahara

    Earth Planets Space   Vol. 56   page： 377-382   2004

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  67. Ground uplift detected by precise leveling in the Ontake earthquake swarm area, central Japan in 2002-2004 Reviewed

    Kimata F, Miyajima R, Murase M, Darwaman D, Ito T, Ohata Y, Irwan M, Takano K, Ibrahim F, Koyama E, Tsuji H, Takayama T, Uchida K, Okada J, Solim D, Anderson H

    EARTH PLANETS AND SPACE   Vol. 56 ( 12 ) page： E45-E48   2004

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  68. 日本列島の移動性地殻変動

    伊藤武男, 橋本学

    月刊 地球, 25, 2, 114-118, 2003.   Vol. 25 ( 2 ) page： 114-118   2003

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  69. A model of dyke intrusion near Miyake, Nii and Kozu Islands in 2000 Reviewed

    T. Ito, S. Yoshioka

    Tectonophysics   Vol. 359   page： 171-187   2002

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  70. Interplate coupling in northeast Japan deduced from inversion analysis of GPS data Reviewed

    T. Ito, S. Yoshioka and S. Miyazaki

    Earth and Planetary Science Letters   Vol. 176   page： 117-130   2000

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  71. Interplate coupling in southwest Japan deduced from inversion analysis of GPS data Reviewed

    T. Ito, S. Yoshioka and S. Miyazaki

    Physics of the Earth and Planetary Interiors   Vol. 115   page： 17-34   1999

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  72. ＧＰＳデータのインヴァージョン解析から推定した東北日本におけるプレート間カップリングの推定

    伊藤武男, 吉岡祥一, 宮崎真一

    月刊 地球, 25, 158-165, 1999.   Vol. 25   page： 158-165   1999

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  73. ＧＰＳデータを用いた西南日本におけるプレート間カップリングの推定

    吉岡祥一, 伊藤武男, 宮崎真一

    月刊 地球   Vol. 21   page： 197-204   1999

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Books 4

  1. スマトラ地震による津波災害と復興

    高橋誠，田中重好，木股文昭編著他（ Role： Joint author）

    古今書店  2014.2  （ ISBN:978-4-7722-4171-7 ）

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    Language：Japanese

  2. 日本地方地質誌（近畿地方）

    日本地質学会編集（分担執筆）（ Role： Joint author）

    朝倉書店  2009.2 

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    Language：Japanese

  3. 巨大地震がやってきた－スマトラ沖地震から学べ

    編著：木股文昭, 田中重好, 木村玲欧（分担執筆：伊藤 武男 他9名）（ Role： Joint author）

    時事通信社  2006 

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    Language：Japanese

  4. 「いま活断層が危ない」―中部の内陸直下型地震―

    安藤雅孝, 田所敬一, 林能成, 木村玲欧（分担執筆：伊藤 武男 他7名 ）（ Role： Joint author）

    中日新聞  2006 

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    Language：Japanese

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MISC 8

  1. Spatio-temporal afterslip distribution following the 2011 Tohoku-Oki earthquake using 3D viscoelastic Green's functions Reviewed

    T. Ito, S. Suzuki, K. Kachishige, M. Hyodo

    AIP Conference Proceedings   ( 1987 ) page： 020056   2018.7

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    Language：English   Publishing type：Rapid communication, short report, research note, etc. (scientific journal)  

    DOI： 10.1063/1.5047341

  2. Evaluation of the 2012 Indian Ocean coseismic fault model in 3-D heterogeneous structure based on vertical and horizontal GNSS observation, Reviewed

    C. Pratama, T. Ito, T. Tabei, F. Kimata, E. Gunawan, Y. Ohta, T. Yamashina, I. Nurding, D. Sugiyanto, U. Muksin, N. Ismail, I. Meilano

    AIP Conference Proceedings   ( 1987 ) page： 020011   2018.7

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    Language：English   Publishing type：Rapid communication, short report, research note, etc. (scientific journal)  

    DOI： 10.1063/1.5047296

  3. Coseismic Slip Distribution of the 2 July 2013 Mw 6.1 Aceh, Indonesia, Earthquake and Its Tectonic Implications Reviewed

    Endra Gunawan, Sri Widiyantoro, Shindy Rosalia, Mudrik Rahmawan, Daryono, Irwan Meilano, Pepen Supendi, Takeo Ito, Takao Tabei, Fumiaki Kimata, Yusaku Ohta, Nazli Ismail

    Bulletin of the Seismological Society of America     2018.6

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    Language：English   Publishing type：Rapid communication, short report, research note, etc. (scientific journal)  

    DOI： 10.1785/0120180035

  4. Transient rheology of the oceanic asthenosphere following the 2012 Indian Ocean Earthquake inferred from geodetic data Reviewed

    Cecep Pratama, Takeo Ito, Ryohei Sasajima, Takao Tabei, Fumiaki Kimata, Endra Gunawan, Yusaku Ohta, Tadashi Yamashina, Nazli Ismail, Irwandi Nurdin, Didik Sugiyanto, Umar Muksin, Irwan Meilano

    JOURNAL OF ASIAN EARTH SCIENCES   Vol. 147   page： 50 - 59   2017.10

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    Language：English   Publishing type：Rapid communication, short report, research note, etc. (scientific journal)   Publisher：PERGAMON-ELSEVIER SCIENCE LTD  

    Postseismic motion in the middle-field (100-500 km from the epicenter) geodetic data resulting from the 2012 Indian Ocean earthquake exhibited rapid change during the two months following the rupture. This pattern probably indicates multiple postseismic deformation mechanisms and might have been controlled by transient rheology. Therefore, the relative contribution of transient rheology in the oceanic asthenosphere and afterslip in the oceanic lithosphere should be incorporated to explain short- and long-term transitional features of post seismic signals. In this study, using two years of post-earthquake geodetic data from northern Sumatra, a three-dimensional spherical-earth finite-element model was constructed based on a heterogeneous structure and incorporating transient rheology. A rheology model combined with stress-driven afterslip was estimated. Our best fit model suggests an oceanic lithosphere thickness of 75 km with oceanic asthenosphere viscosity values of 1 x 10(17) Pas and 2 x 10(18) Pa s for the Kelvin and Maxwell viscosity models, respectively. The model results indicate that horizontal landward motion and vertical uplift in northern Sumatra require viscoelastic relaxation of the oceanic asthenosphere coupled with afterslip in the lithosphere. The present study demonstrates that transient rheology is essential for reproducing the rapidly changing motion of postseismic deformation in the middle-field area.

    DOI： 10.1016/j.jseaes.2017.07.049

    Web of Science

  5. Anisotropic horizontal thermal contraction of young oceanic lithosphere inferred from stress release due to oceanic intraplate earthquakes Reviewed

    Ryohei Sasajima, Takeo Ito

    Tectonics     2017.9

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    Language：English   Publishing type：Rapid communication, short report, research note, etc. (scientific journal)  

    DOI： 10.1002/2017TC004680

  6. Inhomogeneous Spherical-Earth Finite Element Model of Coseismic Offset due to The 2012 Indian Ocean Earthquake Reviewed

    Cecep Pratama, Takeo Ito, Takao Tabei

    PROCEEDING OF THE 6TH INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2016   Vol. 1857   2017

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    Language：English   Publishing type：Rapid communication, short report, research note, etc. (scientific journal)   Publisher：AMER INST PHYSICS  

    On April 11, 2012, a Mw 8.6 earthquake struck off the west coast of northern Sumatra approximately 300 km west of the Sunda trench following by Mw 8.2 two hours afterward. The 2012 Indian Ocean Earthquake sequence, which was the largest intraplate earthquake in recorded history, yielded seismic moment of 1.2-1.3 x 10(22) N m and 0.2-0.3 x 10(22) N m for the main shock (Mw 8.6) and the after shock (Mw 8.2), respectively. Aceh GPS Network for Sumatran Fault System (AGNeSS) observed a predominantly ENE coseismic offset up to 10 cm while the sites on the Andaman Island observed southward and southern part Sumatra GPS Array (SuGar) network observed northward. Limited far-field and inland GPS observation network might lead the homogeneous and half-space model insufficient to explain the coseismic offset. In that of sense, in order to estimate more realistic surface displacement due to complex subduction and far-field GPS station, we consider developing inhomogeneous three-dimensional finite element model incorporate subducting slab, three-dimensional velocity earth structure, realistic topography and bathymetry as well as sphericity of the earth. We calculate coseismic offset by forward modeling using slip distribution as reported from Wei et al. [7]. This study investigates the effect of inhomogeneous structure and spherical geometry model in reproducing actual coseimic offset due to 2012 Indian Ocean Earthquake.

    DOI： 10.1063/1.4987066

    Web of Science

  7. B-Value And Slip Rate Sensitivity Analysis For PGA Value In Lembang Fault And Cimandiri Fault Area Reviewed

    Cecep Pratama, Takeo Ito, Irwan Meilano, Andri Dian Nugraha

    PROCEEDING OF THE 6TH INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2016   Vol. 1857   2017

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    Language：English   Publishing type：Research paper, summary (national, other academic conference)   Publisher：AMER INST PHYSICS  

    We examine slip rate and b-value contribution of Peak Ground Acceleration (PGA), in probabilistic seismic hazard maps (10% probability of exceedence in 50 years or 500 years return period). Hazard curve of PGA have been investigated for Sukabumi and Bandung using a PSHA (Probabilistic Seismic Hazard Analysis). We observe that the most influence in the hazard estimate is crustal fault. Monte Carlo approach has been developed to assess the sensitivity. Uncertainty and coefficient of variation from slip rate and b-value in Lembang and Cimandiri Fault area have been calculated. We observe that seismic hazard estimates are sensitive to fault slip rate and b-value with uncertainty result are 0.25 g dan 0.1-0.2 g, respectively. For specific site, we found seismic hazard estimate are 0.4 + 0.13 g with COV 27% and 0.3 + 0.05 g with COV 13% for Sukabumi and Bandung, respectively.

    DOI： 10.1063/1.4987083

    Web of Science

  8. Geodetic and geomorphic evaluations of earthquake generation potential of the northern Sumatran fault, Indonesia Reviewed

    Takao Tabei, Fumiaki Kimata, Takeo Ito, Endra Gunawan, Hiroyuki Tsutsumi, Yusaku Ohta, Tadashi Yamashina, Yoshio Soeda, Nazli Ismail, Irwandi Nurdin, Didik Sugiyanto, Irwan Meilano

    International Association of Geodesy Symposia   Vol. 145   page： 21 - 28   2017

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    Language：English   Publishing type：Rapid communication, short report, research note, etc. (scientific journal)   Publisher：Springer Verlag  

    We have conducted geodetic and geomorphic observations in the northernmost part of Sumatra, Indonesia to monitor strain accumulation in the vicinity of the northern Sumatran fault. Evaluation of the earthquake generation potential in this region is highly urgent because of a large fault slip rate, absence of major earthquakes for more than 100 years and recent Coulomb stress increase on the fault due to the 2004 Sumatra-Andaman earthquake (Mw 9:2).We have deployed Aceh GPS Network for the Sumatran Fault System (AGNeSS) since 2005. The data collected have been used for estimating slip/locking distribution of the Sumatran fault and constructing a comprehensive model for postseismic deformation after the 2004 event. Tectonic geomorphic features are also important to reveal long-term slip history of the fault. We have used high-resolution stereo-paired ALOS (Advanced Land Observing Satellite) PRISM (Panchromatic Remote-sensing Instrument for Stereo Mapping) satellite images to map the surface trace of the Sumatran fault and conducted field observations to ensure the trace by geomorphic and geologic evidence. We introduce preliminary results of the fault mapping together with a brief description of the crustal deformation field detected by GPS.

    DOI： 10.1007/1345_2015_200

    Scopus

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To the head of MISC.▲

Presentations 286

  1. Evaluation of Earthquake potential Based on Block Motion model Invited International conference

    Takeo Ito

    2024 UGM Lecture  2024.2.24  Gadjah Mada University

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    Event date： 2024.2

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Yogyakarta, Indonesia   Country：Indonesia  

  2. 喜界島の完新世海岸段丘の数値シミュレーション：地震発生時期と 地形変動の相互作用に基づく地殻変動史の解明

    神谷 猛、伊藤 武男

    2023年 日本地震学会秋季大会  2023.10.31  日本地震学会

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    Event date： 2023.10 - 2023.11

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：パシフィコ横浜アネックスホール   Country：Japan  

  3. 海岸段丘の形成過程および粘弾性応答を考慮 した喜界島の地殻変動史

    神谷 猛，伊藤武男

    日本測地学会第 140 回講演会  2023.10.11  日本測地学会

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    Event date： 2023.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：仙台市福祉プラザ  

  4. インドネシアのスマラン市近郊における稠密GNSS観測網の構築 International coauthorship

    伊藤武男, Arif Aditiya, Cecep Pratama, Agustan

    日本測地学会第 140 回講演会  2023.10.11  日本測地学会

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    Event date： 2023.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：仙台市福祉プラザ  

  5. Detection of ionospheric disturbance associated with Hayabusa2's Capsule re-entry using GNSS-TEC Spatio-temporal Tomography Invited International conference

    Takeo ITO, Cummins Phil, McClusky Simon, Moore Michael, Muneyoshi Furumoto

    2023 UGM Lecture   2023.8.10  UGM

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    Event date： 2023.8

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Yogyakarta, Indonesia   Country：Indonesia  

  6. GNSS観測に基づく中部日本の可降水量分布の推定による降雪期の事例解析 International conference

    重嶋 悠佑、伊藤 武男

    日本地球惑星科学連合大会 2023  2023.5.23  日本地球惑星科学連合

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    Event date： 2023.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ　千葉県   Country：Japan  

  7. Time-Dependent 2.5-D Surface Deformation of Semarang constrained by InSAR measurement International coauthorship International conference

    Arif Aditiya, Takeo Ito

    JpGU Meeting 2023  2023.5.23  JpGU

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    Event date： 2023.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：Chiba Makuhari   Country：Japan  

  8. 継続時間1時間のスロースリップイベント(3) International conference

    勝間田 明男、宮岡 一樹、露木 貴裕、板場 智史、田中 昌之、伊藤 武男、高森 昭光、新谷 昌人

    日本地球惑星科学連合大会 2023  2023.5.23  日本地球惑星科学連合

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    Event date： 2023.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ　千葉県   Country：Japan  

  9. 測地及び地震データを用いた西南日本における内陸地震発生確率の評価 International conference

    佐藤 弘季、伊藤 武男

    日本地球惑星科学連合大会 2023  2023.5.23  日本地球惑星科学連合

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    Event date： 2023.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ　千葉県   Country：Japan  

  10. 海岸段丘の形成過程および粘弾性応答を考慮した喜界島の地殻変動史 International conference

    神谷 猛、伊藤 武男

    日本地球惑星科学連合大会 2023  2023.5.23  日本地球惑星科学連合

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    Event date： 2023.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ　千葉県   Country：Japan  

  11. Earthquake and Volcano studies in Nagoya Univ. Invited International conference

    Takeo Ito

    2022 UGM Event   2023.3.15  UGM, Nagoya Univ.

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    Event date： 2023.3

    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

    Venue：Yogyakarta, Indonesia   Country：Indonesia  

  12. Earthquake and Volcano studies in Nagoya Univ. Invited International conference

    Takeo Ito

    2022 ITB Event   2023.3.12  ITB, Nagoya Univ.

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    Event date： 2023.3

    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

    Venue：Bandung, Indonesia   Country：Indonesia  

  13. Evaluation of Inland Seismic Potential using Geodetic and Seismic Data Invited International conference

    Takeo Ito, SATO Hiroki

    2022 UGM Lecture   2022.12.23  UGM

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    Event date： 2022.12

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Yogyakarta, Indonesia   Country：Indonesia  

  14. Evaluation of Inland Seismic Potential using Geodetic and Seismic Data Invited International conference

    Takeo Ito, SATO Hiroki

    2022 IEEE AGERS Conference  2022.12.21  IEEE AGERS

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    Event date： 2022.12

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Surabaya, Indonesia   Country：Indonesia  

  15. 継続時間1時間のスロースリップイベント(2)

    勝間田 明男、宮岡 一樹、露木 貴裕、板場 智史、田中 昌之、伊藤 武男、高森 昭光、新谷 昌人

    2022年 日本地震学会秋季大会  2022.10.25  日本地震学会

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    Event date： 2022.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：北海道立道民活動センター「かでる２・７」   Country：Japan  

  16. 陸上および海底地殻変動観測データから推定される南海トラフ沿いの力学的固着分布

    太田雄策，西村卓也，青木陽介，福島 洋， 藤田実季子，大塚雄一，鷺谷 威，伊藤武男， 古屋正人，大園真子，大西建広，池田将平， 伊田裕一

    日本測地学会第138回講演会  2022.10.6  日本測地学会

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    Event date： 2022.10

    Language：Japanese   Presentation type：Oral presentation (general)  

  17. InSARを用いた御嶽山浅部圧力源の粘弾性応答の評価 International conference

    坂本 侑太, 伊藤 武男

    日本地球惑星科学連合大会 2022  2022.5.30  日本地球惑星科学連合

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    Event date： 2022.5 - 2022.6

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ　千葉県   Country：Japan  

  18. Detection of ionospheric disturbance associated with Hayabusa2's Capsule re-entry using GNSS-TEC Spatio-temporal Tomography International coauthorship International conference

    Takeo ITO, Cummins Phil, McClusky Simon, Moore Michael, Muneyoshi Furumoto

    JpGU Meeting 2022  2022.5.30  JpGU

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    Event date： 2022.5 - 2022.6

    Language：English   Presentation type：Poster presentation  

    Venue：Chiba Makuhari   Country：Japan  

  19. 継続時間1時間のスロースリップイベント

    勝間田 明男、宮岡 一樹、露木 貴裕、板場 智史、田中 昌之、伊藤 武男、高森 昭光、新谷 昌人

    2021年 日本地震学会秋季大会  2021.10.15  日本地震学会

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    Event date： 2021.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：オンライン   Country：Japan  

  20. GNSSデータ及び地震カタログを用いた西南日本における内陸地震発生確率の評価

    佐藤 弘季, 伊藤 武男

    日本地球惑星科学連合大会 2021  2021.6.3  日本地球惑星科学連合

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    Event date： 2021.5 - 2021.6

    Language：Japanese   Presentation type：Poster presentation  

    Venue：オンライン   Country：Japan  

  21. Mechanical locking distributions along the Nankai Trough in SW Japan estimated by onshore and seafloor geodetic observation data International conference

    Hiroshi Kimura, Keiichi Tadokoro, Takeo Ito, Ryohei Sasajima

    AGU 2020 Fall Meeting  2020.12  AGU

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    Event date： 2020.12

    Language：English   Presentation type：Poster presentation  

  22. Evaluation of earthquake potential through a kinematic block motion model based on GNSS observation in Indonesia International coauthorship

    Rio Raharja, Takeo Ito, Hiroshi Kimura, Irwan Meilano

    2020.10 

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    Event date： 2020.10

    Language：English   Presentation type：Oral presentation (general)  

  23. 陸上および海底地殻変動観測データから推定される南海トラフ沿いの力学的固着分布 International coauthorship

    木村 洋，田所敬一，伊藤武男，篠島僚平

    日本測地学会第134回講演会  2020.10  日本測地学会

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    Event date： 2020.10

    Language：Japanese   Presentation type：Oral presentation (general)  

  24. Slow slips with durations between VLF and short-term SSE

    JpGU-AGU Joint Meeting 2020 

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    Event date： 2020.7

    Language：Japanese   Presentation type：Poster presentation  

  25. Toward the development of a kinematic block motion model in Indonesia based on GNSS observation International coauthorship International conference

    Rio Raharja, Takeo Ito, Hiroshi Kimura, Irwan Meilano

    JpGU-AGU Joint Meeting 2020  2020.7 

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    Event date： 2020.7

    Language：English   Presentation type：Poster presentation  

  26. Earthquake potential in Costa Rica estimated by the integration of the interseismic geodetic data with seismicity International coauthorship International conference

    Luis Alejandro Carvajal Soto, Takeo Ito, Marino Protti, Hiroshi Kimura

    JpGU-AGU Joint Meeting 2020  2020.7 

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    Event date： 2020.7

    Language：English   Presentation type：Poster presentation  

  27. Interplate Mechanical Locking Distribution along the Kuril - Japan Trench in NE Japan based on Onshore and Seafloor Geodetic Observations

    JpGU-AGU Joint Meeting 2020  2020.7 

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    Event date： 2020.7

    Language：Japanese   Presentation type：Poster presentation  

  28. レーザー歪計ネットワークによる地殻活動の広帯域観測

    新谷 昌人、高森 昭光、勝間田 明男、小林 昭夫、伊藤 武男、奥田 隆、大久保 慎人

    日本地球惑星科学連合大会2020  2020.7  日本地球惑星科学連合

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    Event date： 2020.7

    Language：Japanese   Presentation type：Poster presentation  

  29. Estimation of Interplate Mechanical Coupling Distribution along the Chishima and Japan Trench in Northeast Japan based on Onshore and Seafloor Geodetic Observations International conference

    Hiroshi Kimura, Takeo Ito, Keiichi Tadokoro, Ryohei Sasajima

    AGU Fall Meeting 2019 

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    Event date： 2019.12

    Language：English   Presentation type：Poster presentation  

    Venue：San Francisco   Country：Japan  

  30. 陸上および海底地殻変動観測データから推定される千島～日本海溝沿いのプレート間力学的固着分布

    木村 洋，伊藤武男，田所敬一，篠島僚平

    日本測地学会第132回講演会 

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    Event date： 2019.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：富山   Country：Japan  

  31. インドネシアバンダアチェ近郊におけるGNSS 観測に基づくブロック運動モデル

    伊藤武男，木村 洋，田部井隆雄，大久保 慎人，山品匡史，木股文昭，Cecep Pratama，Agustan，Mukusin Umar，Nazli Ismail，Didik Sugiyanto，Irwan Nurdin

    日本測地学会第132回講演会 

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    Event date： 2019.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：富山   Country：Japan  

  32. Towards better understanding active tectonics in the subduction Invited International conference

    Takeo Ito, Hiroshi Kimura, Yuto Iwase

    2019 ITB Seminar 

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    Event date： 2019.10

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Bandung   Country：Indonesia  

  33. The kinematic model along the Sumatran fault using a new dense GNSS observation (AGNeSS+) in Banda Aceh Invited International conference

    Takeo Ito, Hiroshi Kimura, Takao Tabei, Fumiaki Kimata, Masato Okubo, Tadashi Yamashina, Cecep Pratama, Agustan, Didik Sugiyanto, Muksin Umar, Nazli Ismail, Irwandi Nurdin

    2019 Gadjah Mada University Seminar 

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    Event date： 2019.10

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Yogyakarta, Indonesia   Country：Indonesia  

  34. Earthquake potential in Costa Rica based on GNSS observations using three scenarios for the geometry of the Central Costa Rica block

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    Event date： 2019.9

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  35. 2014年噴火以降の御嶽山における火山性地殻変動

    小池 遥之, 伊藤 武男, 松廣 健二郎, 堀川 信一郎, 奥田 隆, 國友 孝洋, 田ノ上 和志, 岩瀬 裕斗, 熊谷 光起

    日本地球惑星科学連合2019年大会 

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    Event date： 2019.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ   Country：Japan  

  36. Post-seismic deformation of 2016 Kumamoto Earthquake by continuous GNSS network (3)

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    Event date： 2019.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  37. 長期的SSE発生域における非断層すべり成分の存在可能性および、その巨大地震発生準備過程との関係性

    光井 能麻, 伊藤 武男

    日本地球惑星科学連合2019年大会 

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    Event date： 2019.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ   Country：Japan  

  38. Earthquake Potential in Central Costa Rica based on Geodetic Observations

    Luis Alejandro Carvajal Soto, Takeo Ito, Hiroshi Kimura, Marino Protti Quesada

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    Event date： 2019.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  39. The kinematic model along the Sumatran fault using a new dense GNSS observation (AGNeSS+) in Banda Aceh

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    Event date： 2019.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  40. 沈み込むプレート境界面における力学的カップリングモデルの構築

    木村 洋, 伊藤 武男, 田所 敬一, 篠島 僚平

    日本地球惑星科学連合2019年大会 

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    Event date： 2019.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ   Country：Japan  

  41. The effect of the steady plate subduction in the case of southwest Japan

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    Event date： 2019.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  42. 地震・地殻変動の高精度観測のためのレーザー歪計ネットワークの構築

    新谷 昌人, 高森 昭光, 森井 亙, 勝間田 明男, 小林 昭夫, 伊藤 武男, 奥田 隆, 大久保 慎人

    日本地球惑星科学連合2019年大会 

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    Event date： 2019.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ   Country：Japan  

  43. Crustal Velocity Field and Kinematic Models for Central Costa Rica International conference

    Luis Alejandro Carvajal Soto, Takeo Ito, Hiroshi Kimura, Marino Protti

    AGU 2018 Fall Meeting 

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    Event date： 2018.12

    Language：English   Presentation type：Poster presentation  

    Venue：Washington, D.C. USA   Country：United States  

  44. Internal Strain Rate in Southwest Japan estimated by Block Motion Model based on Onshore and Seafloor Geodetic Observations International conference

    Hiroshi Kimura, Takeo Ito, Keiichi Tadokoro

    AGU 2018 Fall Meeting 

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    Event date： 2018.12

    Language：English   Presentation type：Poster presentation  

    Venue：Washington, D.C. USA   Country：United States  

  45. ブロック運動モデルに基づく伊豆半島周辺のテクトニクスの考察

    木村洋，伊藤武男，田所敬一，篠島僚平

    日本測地学会第130回講演会 

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    Event date： 2018.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：高知県立県民文化ホール   Country：Japan  

  46. Scenarios of Block Motion Models for the Crustal deformation in Costa Rica

    #Carvajal Soto Luis Alejandro, Takeo Ito, Hiroshi Kimura, Marino Protti

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    Event date： 2018.10

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  47. 海洋プレートの定常的な沈み込みに起因する西南日本の長期的な上下変動

    岩瀬裕斗，伊藤武男

    日本測地学会第130回講演会 

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    Event date： 2018.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：高知県立県民文化ホール   Country：Japan  

  48. 2017年6月長野県南部地震に伴う地殻変動

    伊藤武男，松廣健二郎

    日本測地学会第130回講演会 

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    Event date： 2018.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：高知県立県民文化ホール   Country：Japan  

  49. 2016 年熊本地震後のGNSS による地殻変動観測（3）

    中尾茂，松島健，田部井隆雄，大久保慎人, 山品匡史，大倉敬宏，西村卓也，澁谷拓郎, 寺石眞弘，伊藤武男，鷺谷威，松廣健二郎,加藤照之，福田淳一，渡邉篤志，三浦哲,太田雄策，出町知嗣，高橋浩晃，大園真子,山口照寛，岡田和見

    日本測地学会第130回講演会 

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    Event date： 2018.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：高知県立県民文化ホール   Country：Japan  

  50. 陸上および海底地殻変動観測データに基づくブロック運動モデルから推定される南海トラフ沿いのプレート間カップリング分布

    木村 洋, 田所 敬一, 伊藤 武男

    日本地球惑星科学連合2018年大会 

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    Event date： 2018.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue： 幕張メッセ国際会議場   Country：Japan  

  51. Crustal velocity field in and around Costa Rica and its tectonic implication

    Luis Alejandro Carvajal,Takeo Ito,Marino Protti Quesada

    JpGU Meeting 2018 

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    Event date： 2018.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  52. 長期的SSE発生源における非断層すべり成分の存在可能性：巨大地震発生準備過程の理解に向けて

    光井 能麻, 伊藤 武男

    日本地球惑星科学連合2018年大会 

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    Event date： 2018.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue： 幕張メッセ国際会議場   Country：Japan  

  53. Investigation of tectonic stress implication in southwest Japan using three-dimensional finite element model

    JpGU Meeting 2018 

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    Event date： 2018.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  54. Post-seismic deformation of 2016 Kumamoto Earthquake by continuous GNSS network (2)

    JpGU Meeting 2018 

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    Event date： 2018.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  55. Effect of 3-D heterogeneous-earth on rheology inference of postseismic model following the 2012 Indian Ocean earthquake International conference

    Cecep Pratama, Takeo Ito, Ryohei Sasajima, Takao Tabei, Fumiaki Kimata, Endra Gunawan, Yusaku Ohta, Tadashi Yamashina, Nazli Ismail, Umar Muksin, Putra Maulida, Irwan Meilano, Irwandi Nurdin, Didik Sugiyanto, Joni Efendi

    AGU 2017 Fall Meeting 

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    Event date： 2017.12

    Language：English   Presentation type：Poster presentation  

    Venue：New Orleans, USA   Country：United States  

  56. Crustal block motion model and interplate coupling along Ecuador-Colombia trench based on GNSS observation network International conference

    New Orleans, USA

    AGU 2017 Fall Meeting 

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    Event date： 2017.12

    Language：English   Presentation type：Poster presentation  

    Venue：New Orleans, USA   Country：United States  

  57. Estimation of interplate coupling along Nankai trough considering the block motion model based on onland GNSS and seafloor GPS/A observation data using MCMC method International conference

    Hiroshi Kimura, Takeo Ito, Keiichi Tadokoro

    AGU 2017 Fall Meeting 

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    Event date： 2017.12

    Language：English   Presentation type：Poster presentation  

    Venue：New Orleans, USA   Country：United States  

  58. Spatio-temporal afterslip distribution following the 2011 Tohoku-Oki earthquake using 3D viscoelastic Green's functions International conference

    Takeo Ito, Syota Suzuki, Kachishige Sato, Mamoru Hyodo

    7th ISEDM  

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    Event date： 2017.11

    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Bandung, Indonesia   Country：Indonesia  

  59. 長期的スロースリップイベント(LSSE)の 非断層すべり成分の推定：熱力学的考 察に基づいて

    光井能麻, 伊藤武男

    2017年 日本地震学会秋季大会 

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    Event date： 2017.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：鹿児島市   Country：Japan  

  60. 2016年熊本地震後のGNSS による余効変動の観測（２）

    中尾茂, 伊藤武男, 他

    2017年 日本地震学会秋季大会 

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    Event date： 2017.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島市   Country：Japan  

  61. MCMC法を用いて推定したブロック運動モデルに基づく南海トラフ沿いのプレート間カップリング

    木村洋, 田所敬一, 伊藤武男

    日本測地 学会第128回講演会 

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    Event date： 2017.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：瑞浪市総合文化センター   Country：Japan  

  62. 2016年熊本地震後のGNSSによる地殻変動観測（２）

    中尾茂,伊藤武男,他

    日本測地 学会第128回講演会 

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    Event date： 2017.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：瑞浪市総合文化センター   Country：Japan  

  63. Oceanic Lithosphere- Asthenosphere Boundary Estimated from Stress Dependent Deformation after the 2012 Indian Ocean Earthquake International conference

    Cecep Pratama, Takeo Ito, Takao Tabei, Ryohei Sasajima, Putra Maulida, Irwan Meilano, Joni Efendi

    IAG-IASPEI 2017 

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    Event date： 2017.7 - 2017.8

    Language：English   Presentation type：Poster presentation  

    Venue：kobe, Japan   Country：Japan  

  64. Flexural mechanics and curvature evolution of the bending-unbending transition zone of subducting oceanic lithosphere International conference

    Ryohei Sasajima, Takeo Ito

    IAG-IASPEI 2017 

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    Event date： 2017.7 - 2017.8

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan   Country：Japan  

  65. Crustal blocks motion model and interplate coupling in Colombia based on GNSS observation network (GEORED) International conference

    Takeo Ito, Hector Mora Paez, Juan Ramon Pelaez Gaviria, Takeshi Sagiya

    IAG-IASPEI 2017 

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    Event date： 2017.7 - 2017.8

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan   Country：Japan  

  66. Anisotropic horizontal thermal contraction of young oceanic lithosphere inferred from stress release by oceanic intraplate earthquakes International conference

    Ryohei Sasajima, Takeo Ito

    IAG-IASPEI 2017 

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    Event date： 2017.7 - 2017.8

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan   Country：Japan  

  67. Interseismic Strain Partitioning in Nankai Subduction Zone, Southwest Japan: Block Movement and Internal Deformation of the Forearc Sliver International conference

    Takao Tabei, Masahiko Shiomi, Takeo Ito, Makoto Okubo

    IAG-IASPEI 2017 

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    Event date： 2017.7 - 2017.8

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan   Country：Japan  

  68. Detection and Measurement of Land Subsidence Using InSAR and GPS in the Sabana de Bogota, Colombia, South America International conference

    Hector Mora-Paez, Takeshi Sagiya, Takeo Ito, Estelle Chaussard, Shimon Wdowinski

    IAG-IASPEI 2017 

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    Event date： 2017.7 - 2017.8

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan   Country：Japan  

  69. Estimation of coupling ratio on subducting plate interface and block boundary in southwest Japan using MCMC method International conference

    Hiroshi Kimura, Takeo Ito, Keiichi Tadokoro

    IAG-IASPEI 2017 

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    Event date： 2017.7 - 2017.8

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan   Country：Japan  

  70. Postseismic deformation of 2016 Kumamoto earthquake by the dense GNSS continuous observation International conference

    Shigeru Nakao, Takeshi Matsushima, Takao Tabei, Makoto Okubo, Tadashi Yamashina, Takahiro Ohkura, Takuya Nishimura, Takuo Shibutani, Masahiro Teraishi, Takeo Ito, Takeshi Sagiya, Kenjiro Matsuhiro, Teruyuki Kato, Jun'ichi Fukuda, Atsushi Watanabe, Yusaku Ohta, Satoshi Miura, Tomotsugu Demachi, Hiroaki Takahashi, Mako Ohzono, Teruhiro Yamaguchi, Kazumi Okada

    IAG-IASPEI 2017 

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    Event date： 2017.7 - 2017.8

    Language：English   Presentation type：Oral presentation (general)  

    Venue：kobe, Japan   Country：Japan  

  71. Post-seismic deformation of 2016 Kumamoto Earthquake by continuous GNSS network International conference

    JpGU-AGU Joint Meeting 2017 

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    Event date： 2017.5 - 2017.7

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  72. Constraint on the yield strength envelope of subducting oceanic plate from stress neutral surface depth and bending moment

    JpGU-AGU Joint Meeting 2017 

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    Event date： 2017.5

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  73. MCMC法を用いたプレート間カップリングを含むブロック運動モデルの構築

    木村 洋,伊藤 武男,田所 敬一

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    Event date： 2017.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ国際会議場   Country：Japan  

  74. Block motion model in Colombia, using GNSS Observation network (GEORED)

    JpGU-AGU Joint Meeting 2017 

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    Event date： 2017.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  75. 西南日本の地震間地殻変動：前弧スリバーのブロック運動と内部変形

    塩見 雅彦,田部井 隆雄,伊藤 武男,大久保 慎人

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    Event date： 2017.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ国際会議場   Country：Japan  

  76. 2012 Indian Ocean Coseismic Model: Joint Evaluation in 3-D Heterogeneous Earth Structure Inferred from GPS and Tsunami Data

    Cecep Pratama, Takeo Ito,Takao Tabei,Ignatius Ryan Pranantyo

    JpGU-AGU Joint Meeting 2017 

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    Event date： 2017.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  77. Transition of stress state of the oceanic lithosphere from shallower-half compression to shallower-half extension in outer rise

    JpGU-AGU Joint Meeting 2017 

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    Event date： 2017.5

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  78. Interplate coupling and block motion model in Colombia detected by GNSS observation network International conference

    Takeo Ito, Hector Mora-Paez, Juan Ramon Pelaez Gaviria

    Recent Advances in Earthquake, Tsunami, and Volcano Monitoring, Hazard Evaluation, and Disaster Management in Latin America  

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    Event date： 2017.3

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Quito, Ecuador   Country：Ecuador  

  79. Understanding Crustal deformation in Japan derived from GEONET data Invited International conference

    Takeo Ito

    Seismology lecture 

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    Event date： 2017.2

    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

    Venue：Syiah Kuala University   Country：Indonesia  

  80. Time evolution of vertical displacement during Holocene: case of kikai Island, Ryukyu Islands, Japan International conference

    Takeo Ito,Muneyoshi Furumoto, Kenjiro Matsuhiro, Takashi Okuda, Takeshi Sagiya, Shinichiro Horikawa, Kazuya Ito

    AGU 2016 Fall Meeting 

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    Event date： 2016.12

    Language：English   Presentation type：Poster presentation  

    Venue：San Francisco, USA   Country：Japan  

  81. Interseismic Strain Partitioning in Nankai Subduction Zone, Southwest Japan: Block Movement and Internal Deformation of the Forearc Sliver International conference

    Masahiko Shiomi,Takao Tabei, Takeo Ito ,Makoto Okubo

    AGU 2016 Fall Meeting 

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    Event date： 2016.12

    Language：English   Presentation type：Poster presentation  

    Venue：San Francisco, USA   Country：Japan  

  82. プレート間固着の推定精度を最適化する新しい手法の開発

    木村 洋, 伊藤武男, 田所敬一

    日本測地学会 第126回講演会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：奥州市   Country：Japan  

  83. 西南日本の地震間変動：ブロック運動と前弧スリバーの内部変形

    塩見雅彦, 田部井隆雄, 伊藤武男, 大久保慎人

    日本測地学会 第126回講演会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：奥州市   Country：Japan  

  84. Scintrex社製CG型相対重力計に見られる運搬によるデータ擾乱について

    本多 亮, 宮城洋介, 名和一成, 田中俊行, 澤田明宏, 伊藤武男

    日本測地学会 第126回講演会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：奥州市   Country：Japan  

  85. 2016年熊本地震後のGNSSによる地殻変動観測

    中尾 茂, 松島 健, 田部井隆雄, 大久保慎人, 山品匡史, 大倉敬宏, 西村卓也, 澁谷拓郎, 寺石眞弘, 伊藤武男, 鷺谷 威, 松廣健二郎, 加藤照之, 福田淳一, 渡邉篤志, 三浦 哲, 太田雄策, 出町知嗣, 高橋浩晃, 大園真子, 山口照寛, 岡田和見

    日本測地学会 第126回講演会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：奥州市   Country：Japan  

  86. コロンビアにおけるGNSS観測網（GEORED）とナスカプレートの沈み込みに伴う地殻変動

    鷺谷 威, Hector Mora Paez, 伊藤武男

    日本測地学会 第126回講演会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：奥州市   Country：Japan  

  87. 2016年熊本地震の余効変動から推定されるレオロジー構造

    伊藤武男, Cecep Pratama, 篠島僚平

    日本測地学会 第126回講演会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：奥州市   Country：Japan  

  88. Lithosphere-Asthenosphere Rheology Model based on Postseismic Deformation following the 2012 Indian Ocean Earthquake

    2016年 日本地震学会秋季大会 

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    Event date： 2016.10

    Language：English   Presentation type：Poster presentation  

    Venue：名古屋   Country：Japan  

  89. 2016年熊本地震後のGNSSによる余効変動の観測

    中尾茂, 松島健, 田部井隆雄, 山品匡史, 大倉敬宏, 西村卓也, 澁谷拓郎, 寺石眞弘, 伊藤武男, 鷺谷威, 松廣健二郎, 加藤照之, 福田淳一, 渡邉篤志, 三浦哲, 太田雄策, 出町知嗣, 高橋浩晃, 大園真子, 山口照寛, 岡田和見

    2016年 日本地震学会秋季大会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：名古屋   Country：Japan  

  90. 沈み込む海洋プレートのBending-Unbending遷移領域の力学モデル

    篠島僚平, 伊藤武男

    2016年 日本地震学会秋季大会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：名古屋   Country：Japan  

  91. 1944年及び1946年の南海トラフ地震の余効変動から推定した粘弾性構造

    大間俊樹, 伊藤武男

    2016年 日本地震学会秋季大会 

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    Event date： 2016.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：名古屋   Country：Japan  

  92. Crustal deformation observation after occurrence of 2016 Kumamoto Earthquake by GNSS

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    Event date： 2016.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  93. FEM modeling and GNSS observation around Mount Ontake volcan

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    Event date： 2016.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  94. 西南日本における地震間の地殻変動:プレートの斜め沈み込みと前弧のブロック運動

    塩見雅彦,田部井隆雄,伊藤武男

    日本地球惑星科学連合2016年大会 

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    Event date： 2016.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：千葉幕張メッセ   Country：Japan  

  95. Strain rate dependency of b-values of oceanic intraplate earthquakes

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    Event date： 2016.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  96. 測地観測および変動地形調査によるスマトラ断層北部のすべり様式

    田部井隆雄,伊藤武男,堤浩之,木股文昭,太田雄策,渡辺愛梨,小澤拓,大久保慎人,山品匡史,副田宜男,GunawanEndra,IsmailNazli,NurdinIrwandi, SugiyantoDidik

    日本地球惑星科学連合2016年大会 

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    Event date： 2016.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：千葉幕張メッセ   Country：Japan  

  97. Triggered Glacial earthquake by Ocean tide

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    Event date： 2015.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  98. 喜界島周辺の地殻変動

    伊藤武男,古本宗充,鷺谷威,堀川信一郎,奥田隆,松廣健二郎,野村晋一,横井大輝,大間俊樹,伊藤和也

    2015年 日本地球惑星科学連合大会 

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    Event date： 2015.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  99. フィリピン・ミンダナオ島におけるプレート収束過程と地殻ブロック運動

    塩見雅彦,田部井隆雄,大倉敬宏,木股文昭,伊藤武男

    2015年 日本地球惑星科学連合大会 

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    Event date： 2015.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  100. 海洋潮汐がトリガーとなる氷河地震

    伊藤武男, 古本宗充

    極域における氷床ダイナミクスと氷河地震の活動度・発生過程に関する研究集会 

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    Event date： 2015.2

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：立川市   Country：Japan  

  101. Simulate high-speed uplift history at Kikai-Jima due to collision of Amami plateau

    Takeo Ito, Muneyoshi Furumoto

    The 2nd Japan-Taiwan Workshop on Crustal Dynamics 

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    Event date： 2015

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  102. Ocean tide triggers glacial earthquakes

    Takeo Ito, Muneyoshi Furumoto

    The Fifth Symposium on Polar Science 

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    Event date： 2014.12

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  103. Tsunami Wave Estimation Using GPS-TEC Back Projection International conference

    Takeo Ito

    AGU 2014 Fall Meeting 

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    Event date： 2014.12

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  104. Using Ocean Tidal Load Response to Explore the Elastic Structure of the Amazonian Craton International conference

    Hilary Martens, Mark Simons, Luis Rivera, Susan Owen, Takeo Ito

    AGU 2014 Fall Meeting 

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    Event date： 2014.12

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  105. New Insight Into Recent Activity of the Northern Sumatran Fault, Indonesia From Geodetic and Geomorphic Observations International conference

    Takao Tabei, Fumiaki Kimata, Takeo Ito, Hiroyuki Tsutsumi, Yusaku Ohta, Endra Gunawan, Tadashi Yamashina, Nazli Ismail, Irwandi Nurdin, Didik Sugiyanto, Irwan Meilano

    Asian Seismological Commission General Assembly 

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    Event date： 2014.11

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  106. A Comprehensive Model of Postseismic Deformation of the 2004 Sumatra-Andaman Earthquake Deduced from GPS Observations in Northern Sumatra International conference

    Endra GUNAWAN, Takeshi SAGIYA, Takeo ITO, Fumiaki KIMATA, Takao TABEI,Yusaku OHTA, Irwan MEILANO, Hasanuddin Z. ABIDIN, AGUSTAN, Irwandi NURDIN, and Didik SUGIYANTO

    GENAH 2014  

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    Event date： 2014.7

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  107. Spatio-temporal Distribution of Afterslip due to the 2011 Tohoku-Oki Earthquake Using 3-D Visco-Elastic FEM Green's Function International conference

    Takeo ITO, Syota SUZUKI, Kachishige SATO, Mamoru HYODO

    GENAH 2014  

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    Event date： 2014.7

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  108. Geodetic and Geomorphic Evaluations of Earthquake Generation Potential of the Northern Sumatran Fault, Indonesia International conference

    Takao TABEI, Fumiaki KIMATA, Takeo ITO, Endra GUNAWAN, Hiroyuki TSUTSUMI, Yusaku OHTA, Tadashi YAMASHINA, Nazli ISMAIL, Irwandi NURDIN, Didik SUGIYANTO and Irwan MEILANO

    GENAH 2014  

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    Event date： 2014.7

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  109. Spatio-temporal afterslip distribution of the 2011 Tohoku-Oki earthquake considering viscoelastic response

    Japan Geoscience Union Meeting 2014 

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    Event date： 2014.4 - 2014.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  110. Crustal deformation detected by GPS observation network across the Sumatran fault system in northwestern Sumatra, Indonesia International conference

    Takeo Ito

    Lecture for crustal deformation along the GSF 

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    Event date： 2014.2

    Language：English   Presentation type：Oral presentation (invited, special)  

    Country：Indonesia  

  111. Crustal deformation detected by GPS observation network across the Sumatran fault system in northwestern Sumatra, Indonesia International conference

    Takeo Ito

    The 3rd International Symposium on Earthquake and Disaster Mitigation  

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    Event date： 2013.12

    Language：English   Presentation type：Oral presentation (invited, special)  

    Country：Indonesia  

  112. Crustal deformation detected by GPS observation network across the Sumatran fault system in northwestern Sumatra, Indonesia International conference

    Takao Tabei, Takeo Ito, Fumiaki Kimata, Yusaku Ohta, Endra Gunawan, Nazli Ismail, Didik Sugiyanto, Irwandi Nurdin

    AGU Fall meeting 

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    Event date： 2013.12

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  113. Analysis of afterslip and viscoelastic relaxation following the 2004 Sumatra-Andaman earthquake from GPS observations in northern Sumatra International conference

    Endra Gunawan, Takeshi Sagiya, Takeo Ito, Fumiaki Kimata; Takao Tabei, Yusaku Ohta, Irwan Meilano, Hasanuddin Z. Abidin, Agustan, Irwandi Nurdin, Didik Sugiyanto

    AGU Fall meeting 

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    Event date： 2013.12

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  114. 測地学的手法を総合的に活用した地球内 部構造とダイナミクスの解明

    伊藤武男

    日本測地学会第１２０回講演会 

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    Event date： 2013.10

    Language：Japanese   Presentation type：Oral presentation (keynote)  

    Venue：立川   Country：Japan  

  115. ひずみ地震動（S 波）記録をもちいた発震機構解の推定 International conference

    大久保慎人，板場智史，伊藤武男，加納靖之

    日本測地学会第１２０回講演会 

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    Event date： 2013.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：立川   Country：Japan  

  116. Jakarta Land Subsidence and Inundation Vulnerability Based on SAR Data International conference

    Agustan, Hartanto Sanjaya, Takeo Ito

    The 34th Asian Conference on Remote Sensing  

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    Event date： 2013.10

    Language：English   Presentation type：Oral presentation (general)  

    Country：Indonesia  

  117. スマトラ断層北西部の GPS 観測網内で連続して発生した地震

    伊藤武男, Endra Gunawan, 太田雄策, 田部井隆雄, 木股文昭, Nazli Ismail, Didik Sugiyanto, Irwandi Nurdin

    日本地震学会秋季大会 

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    Event date： 2013.10

    Language：Japanese   Presentation type：Poster presentation  

    Venue：横浜   Country：Japan  

  118. ３次元地下構造を考慮した有限要素法による 2011 年東北沖地震の粘弾性応答

    鈴木翔太、伊藤武男、里嘉千茂、兵藤守

    日本地震学会秋季大会 

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    Event date： 2013.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：横浜   Country：Japan  

  119. GPS-TEC Back Projection法による津波伝搬の推定

    伊藤武男

    日本地球惑星科学連合大会 

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    Event date： 2013.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張   Country：Japan  

  120. 沈み込む海洋プレートの変形を考慮したプレート境界面上での相対運動速度の推定

    篠島僚平, 伊藤武男

    日本地球惑星科学連合大会 

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    Event date： 2013.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張   Country：Japan  

  121. Inferring Earth structure from the response to ocean tidal loads International conference

    Hilary R. Martens, Mark Simons, Takeo Ito

    American Geophysical Union Fall Meeting 

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    Event date： 2012.12

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  122. Slip distribution of the 2011 off the Pacific coast of Tohoku earthquake inferred from geodetic data International conference

    Takeo ITO

    French-Japanese Seminar on Earthquakes and Tsunamis 

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    Event date： 2012.11

    Language：English   Presentation type：Oral presentation (invited, special)  

    Country：Japan  

  123. Bending-Unbendingに伴うスラブの沈み込む速度の変化について

    篠島僚平, 伊藤武男

    日本測地学会第１１８回講演会 

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    Event date： 2012.10 - 2012.11

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：仙台市   Country：Japan  

  124. 石垣島における超伝導重力計観測 International conference

    今西 祐一, 名和 一成, 田村 良明, 池田博, 宮地竹史, 田中 愛幸, 宮島力雄, 奥田 隆, 伊藤 武男

    日本地球惑星科学連合 2012年大会 

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    Event date： 2012.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：千葉 幕張メッセ   Country：Japan  

  125. 筑波大学における超伝導重力計(CT36)の再立ち上げ―犬山から石垣島への移設―

    池田博, 名和 一成, 今西 祐一, 田村 良明, 奥田 隆, 伊藤 武男, 宮島力雄, 田中 愛幸

    日本地球惑星科学連合 2012年大会 

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    Event date： 2012.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  126. 2011年東北沖地震における余効すべりの時空間分布

    鈴木 翔太, 伊藤 武男, 兵藤 守, 里 嘉千茂, 野口 拓美

    日本地球惑星科学連合 2012年大会 

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    Event date： 2012.5

    Language：Japanese   Presentation type：Poster presentation  

    Venue：千葉 幕張メッセ   Country：Japan  

  127. 全国ひずみ傾斜データの流通一元化と公開

    高橋 浩晃, 山口照寛, 中尾 茂, 松島 健, 加納 靖之, 山崎 健一, 寺石 眞弘, 伊藤 武男, 鷺谷 威, 大久保 慎人, 浅井 康広, 原田 昌武, 本多 亮, 加藤 照之, 三浦 哲, 横田 崇, 勝間田 明男, 小林 昭夫, 吉田 康宏, 木村 一洋, 太田 雄策, 田村 良明, 柴田 智郎

    日本地球惑星科学連合 2012年大会 

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    Event date： 2012.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  128. GPS観測網(AGNeSS)によるスマトラ断層の断層固着の空間変化

    伊藤 武男 1∗ , Endra Gunawan 1 , 木股 文昭 1 , 田部井 隆雄 2 , 太田 雄策 3 , Meilano Irwan 4 , Agstan 5 , NurTakeo Ito, ENDRA, Gunawan, KIMATA, Fumiaki, TABEI, Takao, OHTA, Yusaku, MEILANO, Irwan, Agstan, Irwandi Nurdin

    日本地球惑星科学連合 2012年大会 

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    Event date： 2012.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  129. Spatial variations in Fault Coupling on the northern portion of the Great Sumatran Fault International conference

    Takeo Ito

    International workshop on Active Tectonics in subduction zone geodesy research group 

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    Event date： 2012.1

    Language：English   Presentation type：Oral presentation (general)  

    Country：Indonesia  

  130. Probing asthenospheric density, temperature and elastic moduli below western United States International conference

    Takeo Ito and Mark Simons

    AGU 2011 Fall Meeting 

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    Event date： 2011.12

    Language：English   Presentation type：Oral presentation (invited, special)  

    Country：United States  

  131. モンテカルロ手法を用いた断層すべりに関する空間解像度の最適化手法の構築

    伊藤 武男, 兵藤 守, 野口 拓美, 里 嘉千茂, 鷺谷 威

    日本測地学会講演会 

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    Event date： 2011.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  132. Afterslip Following 2004 Sumatra-Andaman Earthquake in Northern Sumatra Deduced from AGNeSS data

    E. GUNAWAN, T. SAGIYA, T. ITO, F. KIMATA, T. TABEI, I. MEILANO, D. SUGIYANTO, IRWANDI

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    Event date： 2011.10

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  133. Lecture of OTL tomography and spatial variations in Fault Coupling on the GFS International conference

    Takeo Ito

    Lecture for understanding several topics  

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    Event date： 2011.10

    Language：English   Presentation type：Oral presentation (general)  

    Country：Indonesia  

  134. Crustal deformation associated with the 2011 Off the Pacific Coast of Tohoku Earthquake (M9.0) International conference

    T. Sagiya, T. Ito, T. Watanabe, K. Ozawa

    IUGG General Assembly 2011 

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    Event date： 2011.7

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  135. GPS稠密観測による日本海東縁ひずみ集中帯の地殻変動（２）

    鷺谷 威, 伊藤武男, 松多信尚, 高橋浩晃, 三浦 哲, 太田雄策, 加藤照之, 福田淳一, 竹内 章, 楠本成寿, 宮崎真一, 田部井隆雄, 松島 健, 中尾 茂, 原田昌武, 棚田俊收, 小澤 拓, 河野裕希, 奥田 隆, 堀川信一郎,山口照寛, 一柳昌義

    地球惑星関連合同大会 

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    Event date： 2011.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  136. 中部日本における2011年東北地方太平洋沖地震前後での地震活動の変化と地震発生率変化に関連する応力・ひずみ変化

    永井 悟, 小澤和浩, 伊藤武男, 田所敬一

    地球惑星関連合同大会 

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    Event date： 2011.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  137. アメリカ西海岸におけるアセノスフェアの密度，温度，弾性定数の推定

    伊藤武男, Simons Mark

    日本地球惑星科学連合２０11年大会 

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    Event date： 2011.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  138. Crustal deformation associated with the 2011 Off the Pacific Coast of Tohoku Earthquake (M9.0) International conference

    T. Sagiya, T. Ito, T. Watanabe, K. Ozawa

    Annual Meeting of the Seismological Society of America 

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    Event date： 2011.4

    Language：English   Presentation type：Oral presentation (general)  

    Country：United States  

  139. Seismic potential on the Sumatran fault using GPS observation International conference

    T. Ito, E. Gunawan, F. Kimata, T. Tabei, M. Simons, I. Meilano, A. Agustan, D. Sugiyanto

    AGU 2010 Fall Meeting 

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    Event date： 2010.12

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  140. Seasonal geodetic signals observed by the Caltech-DASE-NGS cGPS network in Nepal International conference

    J. F. Genrich, K. Chanard, J. Avouac, T. Ito, J. E. Galetzka, M. Flouzat, N. Tea

    AGU 2010 Fall Meeting 

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    Event date： 2010.12

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  141. Seasonal geodetic displacements in the Himalaya induced by surface load variations and implications for shallow elastic structure of the Earth International conference

    K. Chanard, J. Avouac, T. Ito, J. F. Genrich, J. E. Galetzka, M. Flouzat, N. Tea

    AGU 2010 Fall Meeting 

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    Event date： 2010.12

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  142. Complex rupture source of the 12 January 2010 Léogâne, Haiti earthquake derived from geologic, geodetic, and seismologic observations International conference

    R. W. Briggs, G. P. Hayes, A. Sladen, E. J. Fielding, C. S. Prentice, K. W. Hudnut, P. Mann, F. W. Taylor, A. J. Crone, R. D. Gold, T. Ito, M. Simons, P. Jean,

    AGU 2010 Fall Meeting 

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    Event date： 2010.12

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  143. A one dimensional model of Earth structure in the western US from GPS observation of ocean tidal load response International conference

    2010 Workshop on Crustal Deformation Modeling 

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    Event date： 2010.6

    Language：English   Presentation type：Oral presentation (invited, special)  

  144. 全国のひずみ・傾斜計で記録されたチリ地震の地震波と津波

    高橋浩晃,田村良明,三浦哲,加藤照之,原田昌武,本多亮,浅井康広,大久保慎人,伊藤武男,鷺 谷 威, 加納 靖之, 松島 健, 中尾 茂

    地球惑星科学連合 2010 年大会 

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    Event date： 2010.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  145. 日本海東縁ひずみ集中帯にお ける GPS 稠密観測(序報) International conference

    鷺谷威,伊藤武男,高橋浩晃,三浦哲,太田雄策,加藤照之,竹内章,宮崎真一,田部井隆雄,松 島 健, 中尾 茂, 棚田 俊收, 原田 昌武, 奥田 隆, 堀川 信一郎, 河野 裕希

    日本地球惑星科学連合 2010 年大会 

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    Event date： 2010.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  146. Temporal variation of the Earth tide response using kinematic GPS

    J. Yamamoto, T. Sagiya, and T. Ito

    Hokudan 2010 International Symposium on Active Faulting 

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    Event date： 2010.1

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  147. The elastic response to ocean tidal loading estimatedfrom GPS observations in the western United States International conference

    2009 Fall Meeting sanfrancisco 

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    Event date： 2009.12

    Language：English   Presentation type：Poster presentation  

  148. Post-seismic deformation of the 2004 Sumatra-Andaman earthquake and strain accumulation along the Sumatran fault in 2005-2008 International conference

    F. Kimata, E. Gunuwan, T. Ito, Agustan, T. Tabei, I. Meilano, S. Didik, I Irwandi

    AGU 2009 Fall Meeting 

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    Event date： 2009.12

    Language：English   Presentation type：Poster presentation  

    Country：United States  

  149. 「GPS 地球潮汐計」の開発に向けて(1):キネマティック精密単独測位 GPS 解析における潮汐モデルの評価,

    山本淳平, 鷺谷威, 伊藤武男

    日本測地学会第 112 回講演会 

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    Event date： 2009.11

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  150. 活断層周辺の地殻変動から見る内陸地震の応力蓄積過程と諸問題

    鷺谷威, 朝日友香, 小澤和浩, 伊藤武男, 大園真子, 橋本学, 細善信, 和田安男, 平原和朗, 竹内章, 道家涼介, 西村卓也

    日本地球惑星科学連合2009年大会 

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    Event date： 2009.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  151. 春野観測井における地下水位の不規則変動

    宮川和也, 川邊岩夫, 伊藤武男

    日本地球惑星科学連合2009年大会 

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    Event date： 2009.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  152. Ground Deformation Along the Sumatran Fault in Aceh, Sumatra, detect by AGNeSS GPS Network (Preliminary result)

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    Event date： 2009.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  153. A Study of Post-Processed Filtering in DInSAR Technique for Ground Deformation Analysis

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    Event date： 2009.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  154. Crustal deformation in north Sumatra Island detected by continuous GPS network (AGNeSS) International conference

    2008 Fall Meeting sanfrancisco 

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    Event date： 2008.12

    Language：English   Presentation type：Poster presentation  

  155. スマトラ島北部地域におけるGPS 連続観測網(AGNeSS)による地殻変動

    伊藤武男, Endra Gunawan, Agustan, 木股文昭, 田部井隆雄, Irwan Meilano, Didik Sugiyanto，Irwandi

    日本測地学会第１１０回講演会 

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    Event date： 2008.11

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  156. Ground deformation along the Sumatra Fault by AGNeSS in Sumatra, Indonesia International conference

    7th General Assembly of Asian Seismological Commission and Seismological Society of Japan, 2008 Fall meeting 

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    Event date： 2008.11

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  157. 地震発生前に見られる固体地球潮汐応答の時間変化

    山本淳平, 伊藤武男

    日本測地学会第１１０回講演会 

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    Event date： 2008.11

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  158. 潮汐応答による応力臨界状態の検出

    伊藤 武男

    地震発生’前’の物理～先行現象に迫る～ 

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    Event date： 2008.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  159. The high resolution mapping of earth tide responses from GPS network in Japan International conference

    ETS 2008 Jena 

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    Event date： 2008.9

    Language：English   Presentation type：Poster presentation  

  160. Slow strain changes recorded at Shingu borehole station in the southeastern Kii peninsula for 24 months from Oct. 2004

    福田真人, 鷺谷威, 伊藤武男, 山内常生, 仮屋新一, 小笠原宏, 川方裕則, 浅井康広, 石井紘, 中尾茂, 佐野修, 平田安廣

    日本地球惑星科学連合2008年大会 

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    Event date： 2008.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  161. SINET3 広域L2 網による次世代全国地震データ流通基盤システムの構築

    鷹野澄, 鶴岡弘, 卜部卓, 中川茂樹, 一柳昌義, 高田真秀, 山口照寛, 高橋浩晃, 笠原稔, 小菅正裕, 渡邉和俊, 内田直希, 平原聡, 中山貴史, 伊藤武男, 中道治久, 山中佳子, 大見士朗, 三浦勉, 加納靖之, 須田直樹, 植平賢司, 内田和也, 馬越孝道, 八木原寛, 久保篤規, 坪井誠司, 渡邊智毅

    日本地球惑星科学連合2008年大会 

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    Event date： 2008.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  162. InSAR、GPSのデータによる2007年能登半島地震の断層すべり分布の推定

    富永岳志, 伊藤武男

    日本地球惑星科学連合2008年大会 

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    Event date： 2008.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  163. Postseismic deformation of the 2007 Bengkulu Earthquake series from GPS and InSAR method

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    Event date： 2008.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  164. GPS observation of postseismic deformation following the 26 December 2004 Great Sumatra-Andaman earthquake

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    Event date： 2008.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  165. スマトラ断層沿いにおける稠密GPS観測:AGNeSS

    伊藤武男, Agustan, Meilano Irwan, 木股文昭, 田部井隆雄

    日本地球惑星科学連合2008年大会 

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    Event date： 2008.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  166. スマトラの GPS 観測 から推定する 2004 年スマトラアンダマン地震スマトラセグメントの滑り分布

    木股文昭, Meilano Irwan, 伊藤武男, 太田雄策, 田部井隆雄

    日本地球惑星科学連合 

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    Event date： 2008.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  167. Crustal deformation studies in Java (Indonesia) using GPS

    Symposium on Giant Earthquakes and Tsunamis, Phuket 2008 

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    Event date： 2008.1

    Language：English   Presentation type：Oral presentation (general)  

  168. The construction of new dense GPS observation network: AGNeSS (Aceh GPS Network for Sumatran Fault System)

    Symposium on Giant Earthquakes and Tsunamis, Phuket 2008 

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    Event date： 2008.1

    Language：English   Presentation type：Oral presentation (general)  

  169. Post‐seismic phase duration of the 2004 Sumatra‐Andaman earthquake as estimated from GPS continuous data

    Symposium on Giant Earthquakes and Tsunamis, Phuket 2008 

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    Event date： 2008.1

    Language：English   Presentation type：Oral presentation (general)  

  170. 静岡県春野町地殻歪観測井における地球化学観測

    宮川和也，川邊岩夫，山内常生，仮屋新一，伊藤武男

    日本地球化学会年会講演 

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    Event date： 2008

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  171. 稠密GPS 観測網による2007 年中越沖地震の余効変動観測 その１ -GPS 臨時観測の概要-

    太田雄策，三浦 哲，立花憲司，飯沼卓史，宮尾佳世，松島 健，平尾暁彦，高橋浩晃，前田宜浩，山口照寛，高田真秀，宮崎真一，岩國真紀子，落 唯史，鷺谷 威，伊藤武男，イルワン メイラノ，道家涼介，竹内 章

    日本測地学会第１０８回講演会 

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    Event date： 2007.11

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：ホテル浦島   Country：Japan  

  172. 深部低周波微動に同期した横坑式地殻変動連続観測記録の検証

    仮屋新一，伊藤武男，山内常生，奥田 隆，木股文昭

    日本測地学会第１０８回講演会 

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    Event date： 2007.11

    Language：Japanese   Presentation type：Poster presentation  

    Venue：ホテル浦島   Country：Japan  

  173. 稠密GPS 観測網による2007 年中越沖地震の余効変動観測 その２ 余効変動の時空間変化推定

    飯沼卓史，太田雄策，三浦 哲，立花憲司，長谷川 昭，宮尾佳世，松島 健，平尾暁彦，高橋浩晃，前田宜浩，山口照寛，高田真秀，宮崎真一，岩國真紀子，落 唯史，鷺谷 威，伊藤武男，イルワン メイラノ，道家涼介，竹内 章

    日本測地学会第１０８回講演会 

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    Event date： 2007.11

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：ホテル浦島   Country：Japan  

  174. Postseismic deformation of the 2004 Sumatra Earthquake

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    Event date： 2007.10

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  175. キネマティックGPS による固体地球潮汐応答解析

    山本淳平 伊藤武男

    日本地震学会秋季大会 

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    Event date： 2007.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  176. 稠密GPS 連続観測に基づく2007年新潟県中越沖地震の余効変動

    太田雄策 三浦哲 立花憲司 飯沼卓史 松島健 高橋浩晃 宮崎真一 鷺谷 威 伊藤武男 道家涼介 竹内 章 宮尾佳世 平尾暁彦 前田宜浩 山口照寛 高田真秀 岩國真紀子 落 唯史 イルワン メイラノ

    日本地震学会秋季大会 

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    Event date： 2007.10

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  177. スマトラ断層近傍におけるGPS 連続観測網の構築

    伊藤武男 Agustan Irwan Meilano 木股文昭 小川康雄 田部井隆雄

    日本地震学会秋季大会 

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    Event date： 2007.10

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  178. Preseismic transient and postseismic afterslip associated with the 2004 Sumatra earthquake

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    Event date： 2007.10

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  179. Preliminary Result of PALSAR data Processing for Takengon Area, Aceh Province, Indonesia

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    Event date： 2007.10

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  180. The spatiotemporal distribution of the earth tide responses estimated from GPS network in Japan International conference

    The International Union of Geodesy and Geophysics 

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    Event date： 2007.7

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  181. 地殻変動データから推定する1973－1998の伊東沖群発地震のマグマ供給系の体積時間変化モデル

    村瀬雅之 伊藤武男 林 能成 鷺谷 威 木股文昭 渡辺秀文

    日本地球惑星科学連合２００７年大会 

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    Event date： 2007.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  182. GPSを用いた地球潮汐解析の試み

    伊藤武男 大久保慎人 鷺谷 威

    日本地球惑星科学連合２００７年大会 

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    Event date： 2007.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  183. Two years GPS Campaign in Aceh: postseismic deformation and slip along the Sumatra Fault Zone (SFZ)

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    Event date： 2007.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  184. 和歌山県の新宮観測井で記録された2006年1月の移動性短期的スロースリップイベントに先行する地殻変動

    福田真人 鷺谷 威 伊藤武男 山内常生 仮屋新一 小笠原宏 川方裕則 浅井康広 石井紘

    日本地球惑星科学連合２００７年大会 

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    Event date： 2007.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  185. 深部低周波微動・低周波地震に対応した歪変化・傾斜変動の記録調査

    仮屋新一 伊藤武男 山内常生 木股文昭

    日本地球惑星科学連合２００７年大会 

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    Event date： 2007.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  186. 2006年7月ジャワ島南西沖地震における地殻変動および余効変動調査

    伊藤 武男, 加藤 照之

    防災研究フォーラム 第5回シンポジウム, 巨大災害と東京の危機管理 

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    Event date： 2007.3

    Language：Japanese   Presentation type：Oral presentation (invited, special)  

    Country：Japan  

  187. Array Observations of Deep Low-Frequency Non-volcanic Tremor beneath Tokai area, central Japan

    AGU Fall meeting, California in U.S.A. 

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    Event date： 2006.12

    Language：English   Presentation type：Poster presentation  

  188. Preliminary report on crustal deformation surveys and tsunami measurements due to the July 17, 2006 Java Earthquake and Tsunami, Indonesia International conference

    AGU Fall meeting, California in U.S.A. 

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    Event date： 2006.12

    Language：English   Presentation type：Poster presentation  

  189. Analysis of Strain and Tilt change with the Deep-Low Frequency Tremor in the Tokai District in Japan International conference

    AGU Fall meeting, California in U.S.A. 

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    Event date： 2006.12

    Language：English   Presentation type：Poster presentation  

  190. Afterslip distribution for the 2004 Sumatra-Andaman earthquake in the northern Sumatra segment International conference

    What do we learn from this earthquake?  

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    Event date： 2006.11

    Language：English   Presentation type：Oral presentation (general)  

    Country：Indonesia  

  191. 2006 South-off Jawa Island Earthquake: What do we learn from this earthquake? International conference

    What do we learn from this earthquake?  

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    Event date： 2006.11

    Language：English   Presentation type：Oral presentation (general)  

  192. Seismological aspects of the 2004 Sumatra Earthquake Rupture characteristic and afterslip distribution

    What do we learn from this earthquake?  

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    Event date： 2006.11

    Language：English   Presentation type：Oral presentation (general)  

    Country：Indonesia  

  193. Slip Distribution of the 2004 Sumatra-Andaman Earthquake from Near-field GPS observation

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    Event date： 2006.10

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  194. 深部低周波微動活動周辺域における深部ボアホール地殻活動総合観測

    浅井康広，石井 紘，田中俊行，鈴木貞臣，大久保慎人，山内常生，伊藤武男，鷺谷威，仮屋新一

    日本測地学会第１０６回講演会 

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    Event date： 2006.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：奥州市文化会館   Country：Japan  

  195. 北部スマトラ域における2004年スマトラ・アンダマン地震後の余効変動のモデル化 -余効滑りの発生場所と滑り方向の考察-

    太田 雄策, Meilano IRWAN, 伊藤 武男, 木股 文昭, 田部井 隆雄, Didik SUGIYANTO, 加藤 照之

    日本地震学会秋季大会 

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    Event date： 2006.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  196. ジャワ島南方沖地震の現地津波調査とGPSキャンペーン観測

    加藤 照之, 伊藤 武男, 越村俊一

    日本地震学会秋季大会 

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    Event date： 2006.10

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  197. 愛知県における深部低周波微動のアレイ観測

    中道 治久, 渡辺 俊樹, 中村 祥, 相馬 知征, 柏木 雅生, 山脇 輝夫, 太田 雄策, 山田 守, 山田 功夫, 鷺谷 威, 山崎 文人, 田所 敬一, 伊藤 武男, 仮屋 新一, 村瀬 雅之, 利根川 貴志, 大園 真子, 大石 陽, 山室 友生, 石川 渓太, 大石 真紀子, 安田 仁, 猪飼 憲一, 岡本 和之, 小澤 和浩, 武藤 大介, デニス チャカ

    日本地震学会秋季大会 

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    Event date： 2006.10

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  198. 水準測量から推定する１９０２‐２００５浅間山圧力源体積時間依存モデル　　２

    村瀬雅之,伊藤武男,宮島力雄,森済,青山裕,大島弘光,吉田友香,寺田暁彦,小山悦郎,武田豊太郎,渡辺秀文,木股文昭,藤井直之

    日本火山学会講演 

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    Event date： 2006.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  199. 中部地方における雑微動解析

    伊藤 武男

    第1回地殻活動研究委員会 

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    Event date： 2006.7

    Language：Japanese   Presentation type：Oral presentation (invited, special)  

    Country：Japan  

  200. A Preliminary report of 2006 south of JAVA earthquake and tsunami earthquake, Report of JAVA earthquake International conference

    Report of JAVA earthquake 

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    Event date： 2006.7

    Language：English   Presentation type：Oral presentation (general)  

    Country：Indonesia  

  201. 水準測量から推定する1902-2005浅間山の圧力源体積変化時間依存モデル

    村瀬 雅之, 伊藤 武男, 森 済, 木股 文昭, 藤井 直之

    日本地球惑星科学連合大会 

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    Event date： 2006.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  202. マルチタイムスケールを考慮した地殻変動インバージョン解析とその応用

    伊藤 拓, 伊藤 武男

    日本地球惑星科学連合大会 

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    Event date： 2006.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  203. 多孔質弾性媒質における地震の余効変動に対するインヴァージョン解析

    川元 智司, 伊藤 武男, 平原 和朗

    日本地球惑星科学連合大会 

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    Event date： 2006.5

    Language：Japanese   Presentation type：Poster presentation  

  204. 名古屋大学地殻変動連続観測データの解析

    仮屋 新一, 伊藤 武男, 山内 常生, 宮島 力雄, 奥田 隆

    日本地球惑星科学連合大会 

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    Event date： 2006.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  205. 名古屋大学地震火山・防災研究センターの新しい観測網の構築

    伊藤 武男, 山崎 文人, 山内 常生

    日本地球惑星科学連合大会 

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    Event date： 2006.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  206. 御嶽山直下の地震活動

    山崎 文人, 山田 守, 藤井 巖, 田所 敬一, 伊藤 武男, 政所 茜, 根岸 弘明, 高井 香里

    日本地球惑星科学連合大会 

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    Event date： 2006.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  207. 高速広域レイヤー２網によるリアルタイム 地震波形データ交換システムの構築

    東北大学大学院理学研究科, 東京大学地震研究所, 名古屋大学大学院環境学研究科, 京都大学防災研究所, 九州大学大学院理学研究院

    JGN2シンポジウム2006 in 仙台 あらゆるリソースをつなぐ知の創発 

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    Event date： 2006.1

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  208. Slip Distribution of the 2004 Sumatra-Andaman Earthquake from Near-field GPS Observation International conference

    AGU Fall meeting, California in U.S.A. 

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    Event date： 2005.12

    Language：English   Presentation type：Poster presentation  

  209. Trapped wave observation in fault zone of the Mid-Niigata Prefecture Earthquake in 2004 International conference

    AGU Fall meeting, California in U.S.A. 

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    Event date： 2005.12

    Language：English   Presentation type：Poster presentation  

  210. Geodetic inversion analysis with multi time scale International conference

    AGU Fall meeting, California in U.S.A. 

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    Event date： 2005.12

    Language：English   Presentation type：Poster presentation  

  211. Inversion Analysis of Postseismic Deformation in Poroelastic Material Using Finite Element Method International conference

    AGU Fall meeting, California in U.S.A. 

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    Event date： 2005.12

    Language：English   Presentation type：Poster presentation  

  212. A postseismic deformation following 2004 Sumatra-Andaman earthquake based on continuous GPS data in northern Sumatra region International conference

    AGU Fall meeting, California in U.S.A. 

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    Event date： 2005.12

    Language：English   Presentation type：Poster presentation  

  213. 超高速ネットワークＪＧＮＩＩによるリアルタイム地震波形データ交換システムの構築実験

    鷹野澄，卜部卓，鶴岡弘，中川茂樹，三浦哲，松沢暢，岡田知己，中島淳一，中山貴史，平原聡，伊藤武男，大見士朗，植平賢司，松島健

    日本地震学会秋季大会 

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    Event date： 2005.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  214. マルチタイムスケールを考慮した地殻変動インバージョン解析,

    伊藤 拓, 伊藤 武男, 木股 文昭

    日本地震学会秋季大会 

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    Event date： 2005.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  215. Spatio-temporal distribution of interplate coupling in southwest Japan from inversion of geodetic data International conference

    T. Ito

    Workshop Understanding ache earthquake and tsunami mechanism 

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    Event date： 2005.10

    Language：English   Presentation type：Oral presentation (invited, special)  

    Country：Indonesia  

  216. 有限要素法を用いた多孔質媒質中における余効変動インヴァージョン 解析

    川元 智司, 伊藤 武男, 平原 和朗

    日本地震学会秋季大会 

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    Event date： 2005.10

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  217. Slip Distribution of the Mw 9.0 Great Sumatra-Andaman Earthquake from Campaign GPS Observation

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    Event date： 2005.10

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  218. GPS 連続データに 基づく2004年スマトラーアンダマン地震に伴うスマトラ島北部における余効変動のモデル化

    太田 雄策, I. Meilano, 伊藤 武男, 木股 文昭, 田部井 隆雄, D. Sugiyanto, 加藤 照之

    日本地震学 会秋季大会 

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    Event date： 2005.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  219. 中部地方における雑微動記録を用いた相互相関解析

    伊藤 武男, 平原 和朗

    日本地震学会秋季大会 

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    Event date： 2005.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  220. 中部・東海地域における三次元地下構造モデルの構築へ向けて

    鷺谷 威, 平原 和朗, 渡辺 俊樹, 伊藤 武男, 利根川 貴志, 政所 茜, 川元 智司, 山脇 輝夫, 山田 功夫, 光井 能麻

    日本地震学会秋季大会 

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    Event date： 2005.10

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  221. Evaluation of visco-elastic and poro-elastic deformations following 2004 Sumatra-Andaman earthquake

    T. Ito, S. Kawamoto, Y. Ohota, M. Irwan and F. Kimata

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    Event date： 2005.9

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  222. 超高速ネットワークＪＧＮＩＩによるリアルタイム地震波形データ交換システムの構築実験

    鷹野澄，卜部卓，鶴岡弘，中川茂樹，三浦哲，松沢暢，岡田知己，中島淳一，中山貴史，平原聡，伊藤武男，大見士朗，植平賢司，松島健

    東京大学地震研究所談話会 

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    Event date： 2005.9

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  223. Evaluationofvisco-elasticandporo-elastic deformations following 2004 Sumatra-Andaman earthquake International conference

    T.Ito,Kawamoto,S.,Ohota,Y.,Irwan,M.andKimata,F

    International Meeting on the Sumatran earthquake challenge 

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    Event date： 2005.8

    Language：English   Presentation type：Poster presentation  

    Country：Indonesia  

  224. A Large postseismic deformation following 2004 Sumatra-Andaman earthquake, based on continuous GPS measurement in Banda Aceh, Indonesia International conference

    Y. Ohta, I. Meilano, T. Ito, F. Kimata, T. Tabei, D. Sugiyanto

    International Meeting on the Sumatran earthquake challenge 

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    Event date： 2005.8

    Language：English   Presentation type：Poster presentation  

    Country：Indonesia  

  225. 中越地震の断層モデル

    渡辺 満久, 鈴木 康弘, 伊藤 武男

    地球惑星関連合同大会 

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    Event date： 2005.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  226. Rapid postseismic deformation following the M9.0 Sumatra-Andaman Earthquake

    Irwan Meilano, Yusaku Ohta, Takeo Ito, Fumiaki Kimata, Takeshi Sagiya, Kazuro Hirahara

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    Event date： 2005.5

    Language：English   Presentation type：Poster presentation  

    Country：Japan  

  227. 2004年新潟県中越地震におけるトラップ波観測

    伊藤 武男, 生田 領野, 山崎文人, 山田守, 田所 敬一, 光井 能麻, 高橋 啓介, 利根川 貴志, 堀 久美子, 川元 智司, 藤枝 信哉

    地球惑星関連合同大会 

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    Event date： 2005.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  228. Kinematic GPS 解析による伊豆半島の 地殻変動:1998 年 4 月

    伊藤 拓, 村瀬 雅之, 林 能成, 伊藤 武男, 木股 文昭, 藤井 直之

    地球惑星関連合同大会 

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    Event date： 2005.5

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  229. 御嶽山直下の地 震波減衰構造

    山崎 文人, 山田 守, 藤井 巖, 田所 敬一, 伊藤 武男, 政所 茜, 根岸 弘明, 高井 香里

    地球惑星関連合同大会 

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    Event date： 2005.5

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  230. 2004年新潟県中越地震におけるトラップ波観測

    伊藤 武男, 生田 領野, 山崎文人, 山田守, 田所 敬一, 光井 能麻, 高橋 啓介, 利根川 貴志, 堀 久美子, 川元 智司, 藤枝 信哉

    中越地震ワークショップ 

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    Event date： 2005.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  231. 中越地震の地表地震断層

    鈴木 康弘, 渡辺 満久, 伊藤 武男

    中越地震ワークショップ 

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    Event date： 2005.3

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  232. FEMmodelingofpostseismicdeformationofporoelasticmaterial International conference

    S.Kawamoto,T.Ito,K.Hirahara

    AGU 2004 Fall Meeting 

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    Event date： 2004.12

    Language：English   Presentation type：Poster presentation  

    Country：United States  

  233. InSARデータを用いた1993年北海道南西沖地震のすべり分布の粘弾性 インヴァージョン解析

    伊藤 武男, 矢来 博司, 吉岡 祥一

    日本地震学会秋季大会 

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    Event date： 2004.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  234. 稠密 GPS 観測で得られた2003年十勝沖地震の余効変動とすべり分布

    高橋 浩晃, 小山 順二, 笠原 稔, 加藤 照之, 中尾 茂, 宮崎 真一, 福田 淳一, 飯沼 卓史, 鷺谷 威, 伊藤 武男, 橋本 学, 大谷 文夫, 細 善信, 藤田 安良, 佐藤 一敏, 松島 健, 河野 裕希, 岡崎 紀俊

    日本地震学会秋季大会 

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    Event date： 2004.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  235. FEM による多孔質媒質中での流体移 動により生ずる地震の予効変動シミュレーション-2000 年鳥取県西部地震を例にして-

    川元 智司,伊藤 武男, 平原 和朗, 鷺谷 威, 橋本 学, 田部井 隆雄

    地球科学関連合同大会 

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    Event date： 2004.6

    Language：Japanese   Presentation type：Poster presentation  

    Country：Japan  

  236. 陸上および海底地殻変動観測データに基づくブロック運動モデルから推定される南海トラフ沿いのプレート間カップリング分布 International conference

    木村 洋, 田所 敬一, 伊藤 武男

    日本地球惑星科学連合2018年大会  2018.5.20 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ国際会議場  

  237. Block motion model in Colombia, using GNSS Observation network (GEORED) International conference

    JpGU-AGU Joint Meeting 2017  2017.5.20 

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    Language：Japanese   Presentation type：Oral presentation (general)  

  238. Constraint on the yield strength envelope of subducting oceanic plate from stress neutral surface depth and bending moment International conference

    JpGU-AGU Joint Meeting 2017  2017.5.20 

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    Language：English   Presentation type：Oral presentation (general)  

  239. Crustal block motion model and interplate coupling along Ecuador-Colombia trench based on GNSS observation network

    New Orleans, USA

    AGU 2017 Fall Meeting  2017.12.11  AGU

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    Language：English   Presentation type：Poster presentation  

    Venue：New Orleans, USA  

  240. Crustal blocks motion model and interplate coupling in Colombia based on GNSS observation network (GEORED)

    Takeo Ito, Hector Mora Paez, Juan Ramon, Pelaez Gaviria, Takeshi Sagiya

    IAG-IASPEI 2017  2017.7.30 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan  

  241. Crustal Velocity Field and Kinematic Models for Central Costa Rica

    Luis Alejandro Carvajal Soto, Takeo Ito, Hiroshi Kimura, Marino Protti

    AGU 2018 Fall Meeting  2018.12.10 

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    Language：English   Presentation type：Poster presentation  

    Venue：Washington, D.C. USA  

  242. Crustal velocity field in and around Costa Rica and its tectonic implication International conference

    Luis Alejandro Carvajal, Takeo Ito, Marino, Protti Quesada

    JpGU Meeting 2018  2018.5.20 

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    Language：English   Presentation type：Poster presentation  

  243. Detection and Measurement of Land Subsidence Using InSAR and GPS in the Sabana de Bogota, Colombia, South America

    Hector Mora-Paez, Takeshi Sagiya, Takeo Ito, Estelle Chaussard, Shimon Wdowinski

    IAG-IASPEI 2017  2017.7.30 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan  

  244. Earthquake Potential in Central Costa Rica based on Geodetic Observations International conference

    Luis Alejandro Carvajal Soto, Takeo Ito, Hiroshi Kimura, Marino Protti Quesada

    2019.5.26 

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    Language：English   Presentation type：Poster presentation  

  245. Earthquake potential in Costa Rica based on GNSS observations using three scenarios for the geometry of the Central Costa Rica block International conference

    Luis Alejandro Carvajal Soto, Takeo Ito, Marino Protti, Hiroshi Kimura

    2019.9.16 

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    Language：English   Presentation type：Poster presentation  

  246. Effect of 3-D heterogeneous-earth on rheology inference of postseismic model following the 2012 Indian Ocean earthquake

    Cecep Pratama, Takeo Ito, Ryohei Sasajima, Takao Tabei, Fumiaki Kimata, Endra Gunawan, Yusaku Ohta, Tadashi Yamashina, Nazli Ismail, Umar Muksin, Putra Maulida, Irwan Meilano, Irwandi Nurdin, Didik Sugiyanto, Joni Efendi

    AGU 2017 Fall Meeting  2017.12.11  AGU

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    Language：English   Presentation type：Poster presentation  

    Venue：New Orleans, USA  

  247. Estimation of coupling ratio on subducting plate interface and block boundary in southwest Japan using MCMC method

    Hiroshi Kimura, Takeo Ito, Keiichi Tadokoro

    IAG-IASPEI 2017  2017.7.30 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan  

  248. Estimation of interplate coupling along Nankai trough considering the block motion model based on onland GNSS and seafloor GPS/A observation data using MCMC method

    Hiroshi Kimura, Takeo Ito, Keiichi Tadokoro

    AGU 2017 Fall Meeting  2017.12.11  AGU

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    Language：English   Presentation type：Poster presentation  

    Venue：New Orleans, USA  

  249. Estimation of Interplate Mechanical Coupling Distribution along the Chishima and Japan Trench in Northeast Japan based on Onshore and Seafloor Geodetic Observations

    Hiroshi Kimura, Takeo Ito, Keiichi Tadokoro, Ryohei Sasajima

    AGU Fall Meeting 2019  2019.12.9 

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    Language：English   Presentation type：Poster presentation  

    Venue：San Francisco  

  250. Flexural mechanics and curvature evolution of the bending-unbending transition zone of subducting oceanic lithosphere

    Ryohei Sasajima, Takeo Ito

    IAG-IASPEI 2017  2017.7.30 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan  

  251. Internal Strain Rate in Southwest Japan estimated by Block Motion Model based on Onshore and Seafloor Geodetic Observations

    Hiroshi Kimura, Takeo Ito, Keiichi Tadokoro

    AGU 2018 Fall Meeting  2018.12.10 

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    Language：English   Presentation type：Poster presentation  

    Venue：Washington, D.C. USA  

  252. Interplate coupling and block motion model in Colombia detected by GNSS observation network

    Takeo Ito, Hector Mora-Paez, Juan Ramon, Pelaez Gaviria

    Recent Advances in Earthquake, Tsunami, and Volcano Monitoring, Hazard Evaluation, and Disaster Management in Latin America  2017.3.14 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：Quito, Ecuador  

  253. Interseismic Strain Partitioning in Nankai Subduction Zone, Southwest Japan: Block Movement and Internal Deformation of the Forearc Sliver

    Takao Tabei, Masahiko Shiomi, Takeo Ito, Makoto Okubo

    IAG-IASPEI 2017  2017.7.30 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kobe, Japan  

  254. Investigation of tectonic stress implication in southwest Japan using three-dimensional finite element model International conference

    JpGU Meeting 2018  2018.5.20 

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    Language：Japanese   Presentation type：Poster presentation  

  255. MCMC法を用いたプレート間カップリングを含むブロック運動モデルの構築 International conference

    木村 洋, 伊藤 武男, 田所 敬一

    JpGU-AGU Joint Meeting 2017  2017.5.20 

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ国際会議場  

  256. MCMC法を用いて推定したブロック運動モデルに基づく南海トラフ沿いのプレート間カップリング International conference

    木村洋, 田所敬一, 伊藤武男

    日本測地 学会第128回講演会  2017.10.4  日本測地学会

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：瑞浪市総合文化センター  

  257. Oceanic Lithosphere- Asthenosphere Boundary Estimated from Stress Dependent Deformation after the 2012 Indian Ocean Earthquake

    Cecep Pratama, Takeo Ito, Takao Tabei, Ryohei Sasajima, Putra Maulida, Irwan Meilano, Joni Efendi

    IAG-IASPEI 2017  2017.7.30 

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    Language：English   Presentation type：Poster presentation  

    Venue：kobe, Japan  

  258. Post-seismic deformation of 2016 Kumamoto Earthquake by continuous GNSS network

    JpGU-AGU Joint Meeting 2017  2017.5.20 

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    Language：Japanese   Presentation type：Oral presentation (general)  

  259. Post-seismic deformation of 2016 Kumamoto Earthquake by continuous GNSS network (2) International conference

    JpGU Meeting 2018  2018.5.20 

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    Language：Japanese   Presentation type：Poster presentation  

  260. Post-seismic deformation of 2016 Kumamoto Earthquake by continuous GNSS network (3) International conference

    2019.5.26 

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    Language：Japanese   Presentation type：Poster presentation  

  261. Postseismic deformation of 2016 Kumamoto earthquake by the dense GNSS continuous observation

    Shigeru Nakao, Takeshi Matsushima, Takao Tabei, Makoto Okubo, Tadashi Yamashina, Takahiro Ohkura, Takuya Nishimura, Takuo Shibutani, Masahiro Teraishi, Takeo Ito, Takeshi Sagiya, Kenjiro Matsuhiro, Teruyuki Kato, Jun'ichi Fukuda, Atsushi Watanabe, Yusaku Ohta, Satoshi Miura, Tomotsugu Demachi, Hiroaki Takahashi, Mako Ohzono, Teruhiro Yamaguchi, Kazumi Okada

    IAG-IASPEI 2017  2017.7.30 

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    Language：English   Presentation type：Oral presentation (general)  

    Venue：kobe, Japan  

  262. Scenarios of Block Motion Models for the Crustal deformation in Costa Rica International conference

    Carvajal Soto Luis, Alejandro, Takeo Ito, Hiroshi Kimura, Marino Protti

    2018.10.16 

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    Language：English   Presentation type：Poster presentation  

  263. Spatio-temporal afterslip distribution following the 2011 Tohoku-Oki earthquake using 3D viscoelastic Green's functions

    Takeo Ito, Syota Suzuki, Kachishige Sato, Mamoru Hyodo

    7th ISEDM  2017.11.19  ISEDM

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    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Bandung, Indonesia  

  264. The effect of the steady plate subduction in the case of southwest Japan International conference

    2019.5.26 

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    Language：Japanese   Presentation type：Oral presentation (general)  

  265. The kinematic model along the Sumatran fault using a new dense GNSS observation (AGNeSS+) in Banda Aceh Invited

    Takeo Ito, Hiroshi Kimura, Takao Tabei, Fumiaki Kimata, Masato Okubo, Tadashi Yamashina, Cecep Pratama, Agustan, Didik Sugiyanto, Muksin Umar, Nazli Ismail, Irwandi Nurdin

    2019 Gadjah Mada University Seminar  2019.10.11 

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    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Yogyakarta, Indonesia  

  266. The kinematic model along the Sumatran fault using a new dense GNSS observation (AGNeSS+) in Banda Aceh International conference

    2019.5.26 

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    Language：Japanese   Presentation type：Oral presentation (general)  

  267. Towards better understanding active tectonics in the subduction Invited

    Takeo Ito, Hiroshi Kimura, Yuto Iwase

    2019 ITB Seminar  2019.10.14 

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    Language：English   Presentation type：Oral presentation (invited, special)  

    Venue：Bandung  

  268. Transition of stress state of the oceanic lithosphere from shallower-half compression to shallower-half extension in outer rise International conference

    JpGU-AGU Joint Meeting 2017  2017.5.20 

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    Language：English   Presentation type：Oral presentation (general)  

  269. Understanding Crustal deformation in Japan derived from GEONET data Invited

    Takeo Ito

    Seismology lecture  2017.2.25  Syiah Kuala University

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    Language：English   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

    Venue：Syiah Kuala University  

  270. インドネシアバンダアチェ近郊におけるGNSS 観測に基づくブロック運動モデル International conference

    伊藤武男, 木村 洋, 田部井隆雄, 大久保 慎人, 山品匡史, 木股文昭, Cecep Pratama,Agustan, Mukusin Umar, Nazli Ismail, Didik Sugiyanto, Irwan Nurdin

    日本測地学会第132回講演会  2019.10.29 

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：富山  

  271. ブロック運動モデルに基づく伊豆半島周辺のテクトニクスの考察 International conference

    木村洋, 伊藤武男, 田所敬一, 篠島僚平

    日本測地学会第130回講演会  2018.10.16 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：高知県立県民文化ホール  

  272. 地震・地殻変動の高精度観測のためのレーザー歪計ネットワークの構築 International conference

    新谷 昌人, 高森 昭光, 森井 亙, 勝間田 明男, 小林 昭夫, 伊藤 武男, 奥田 隆, 大久保 慎人

    日本地球惑星科学連合2019年大会  2019.5.26 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ  

  273. 沈み込むプレート境界面における力学的カップリングモデルの構築 International conference

    木村 洋, 伊藤 武男, 田所 敬一, 篠島 僚平

    日本地球惑星科学連合2019年大会  2019.5.26 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ  

  274. 海洋プレートの定常的な沈み込みに起因する西南日本の長期的な上下変動 International conference

    岩瀬裕斗, 伊藤武男

    日本測地学会第130回講演会  2018.10.16 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：高知県立県民文化ホール  

  275. 西南日本の地震間地殻変動：前弧スリバーのブロック運動と内部変形 International conference

    塩見 雅彦, 田部井 隆雄, 伊藤 武男, 大久保 慎人

    JpGU-AGU Joint Meeting 2017  2017.5.20 

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ国際会議場  

  276. 長期的SSE発生域における非断層すべり成分の存在可能性および、その巨大地震発生準備過程との関係性 International conference

    光井 能麻, 伊藤 武男

    日本地球惑星科学連合2019年大会  2019.5.26 

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ  

  277. 長期的SSE発生源における非断層すべり成分の存在可能性：巨大地震発生準備過程の理解に向けて International conference

    光井 能麻, 伊藤 武男

    日本地球惑星科学連合2018年大会  2018.5.20 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：幕張メッセ国際会議場  

  278. 長期的スロースリップイベント(LSSE)の 非断層すべり成分の推定：熱力学的考 察に基づいて International conference

    光井能麻, 伊藤武男

    2017年 日本地震学会秋季大会  2017.10.25 

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：鹿児島市  

  279. 陸上および海底地殻変動観測データから推定される千島～日本海溝沿いのプレート間力学的固着分布 International conference

    木村 洋, 伊藤武男, 田所敬一, 篠島僚平

    日本測地学会第132回講演会  2019.10.29 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：富山  

  280. 2017年6月長野県南部地震に伴う地殻変動 International conference

    伊藤武男, 松廣健二郎

    日本測地学会第130回講演会  2018.10.16 

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：高知県立県民文化ホール  

  281. 2012 Indian Ocean Coseismic Model: Joint Evaluation in 3-D Heterogeneous Earth Structure Inferred from GPS and Tsunami Data International conference

    Cecep Pratama, Takeo Ito, Takao Tabei, Ignatius Ryan Pranantyo

    JpGU-AGU Joint Meeting 2017  2017.5.20 

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    Language：English   Presentation type：Poster presentation  

  282. 2014年噴火以降の御嶽山における火山性地殻変動 International conference

    小池 遥之, 伊藤 武男, 松廣 健二郎, 堀川 信一郎, 奥田 隆, 國友 孝洋, 田ノ上 和志, 岩瀬 裕斗, 熊谷 光起

    日本地球惑星科学連合2019年大会  2019.5.26 

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    Venue：幕張メッセ  

  283. 2016 年熊本地震後のGNSS による地殻変動観測（3） International conference

    中尾茂, 松島健, 田部井隆雄, 大久保慎人, 山品匡史, 大倉敬宏, 西村卓也, 澁谷拓郎, 寺石眞弘, 伊藤武男, 鷺谷威, 松廣健二郎, 加藤照之, 福田淳一, 渡邉篤志, 三浦哲, 太田雄策, 出町知嗣, 高橋浩晃, 大園真子, 山口照寛, 岡田和見

    日本測地学会第130回講演会  2018.10.16 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：高知県立県民文化ホール  

  284. 2016年熊本地震後のGNSS による余効変動の観測（２） International conference

    中尾茂, 伊藤武男

    2017年 日本地震学会秋季大会  2017.10.25 

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    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島市  

  285. 2016年熊本地震後のGNSSによる地殻変動観測（２） International conference

    中尾茂, 伊藤武男

    日本測地 学会第128回講演会  2017.10.4  日本測地学会

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：瑞浪市総合文化センター  

  286. 時空間GNSS-TECトモグラフィー手法を用いたはやぶさ２のカプセル再突入に伴う電離層擾乱の検知 International coauthorship International conference

    伊藤 武男, Cummins Phil, McClusky Simon, Moore Michael, 古本 宗充

    2022年 日本地球惑星科学連合大会  日本地球惑星科学連合

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    Language：Japanese   Presentation type：Poster presentation  

    Venue：幕張メッセ　千葉県   Country：Japan  

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To the head of Presentations.▲

Works 12

  1. 海洋潮汐から地球の構造を診る

    2012.10

  2. サイエンス誌に載った日本人研究者

    2012.2

  3. 災害時の危険箇所は 瀬戸・水南小 名大助教に学ぶ

    2012.1

  4. 知の先端 新たな地球像の創造

    2011.11

  5. 東日本大震災について

    2011.9

  6. 潮の満ち引きで地下構造 推定

    2011.4

  7. Caltech Researchers Use GPS Data to Model Effects of Tidal Loads on Earth's Surface

    2011.4

  8. GPS Data Used to Model Effects of Tidal Loads On Earth's Surface

    2011.4

  9. GPS Helps Measure the Surface Stress of Ocean Tides

    2011.4

  10. プレートの下 やはり柔らか

    2011.4

  11. プレート下の「潤滑層」推定

    2011.4

  12. 弾性率など算定法開発

    2011.4

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To the head of Works.▲

Other research activities 1

  1. Joint research on GNSS observations of ionospheric disturbances generated by the capsule as it penetrates the atmosphere

    2020.10
    -
    2021.3

    　More details

    Hayabusa2 returns to Earth, the capsule passes through the atmosphere at 6th Dec, 2020. The ionospheric disturbances caused by the shock waves and plasmaized atmosphere of the capsule will be observed by GNSS. These observations will help us to understand the interaction between the ionosphere, stratosphere and troposphere.

    Whereas, the NU and ANU have been focused research of interaction within atmosphere. And also, we will conduct high-density, high-sampling GNSS observations in conjunction with Hayabusa2's return. We will capture the perturbation of the artificially displaced ionosphere as a change in electron density to elucidate the ionospheric response of the capsule as it enters the atmosphere. In doing so, we aim to elucidate the physical properties of the ionosphere.

    In order to revels the physical properties of the ionosphere, we make temporal high-density and high-sampling GNSS network near Woomera region. We observed total electron density distribution using GNSS network, we will make clear interaction between the ionosphere, stratosphere and troposphere.

To the head of Other research activities.▲

KAKENHI (Grants-in-Aid for Scientific Research) 10

  1. Development of evaluation for Earthquake Potential, based on Strain Energy balance Analysis

    Grant number：21K03719  2021.4 - 2025.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    　 More details

    Authorship：Principal investigator 

    Grant amount：\4030000 （ Direct Cost: \3100000 、 Indirect Cost：\930000 ）

  2. Research on solid earth physics in the sub-millihertz band using a long-baseline laser strainmeter network

    Grant number：17H06207  2017.6 - 2020.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Research (Pioneering)

    Araya Akito

    　 More details

    Authorship：Coinvestigator(s)  Grant type：Competitive

    Grant amount：\700000 （ Direct Cost: \700000 ）

    In this project, we have constructed a new network with laser strainmeters of three sites, Kamioka (Gifu Pref.), Inuyama (Aichi Pref.), and Funagira (Shizuoka Pref.), Japan, to observe accurate crustal deformation especially in the sub-millihertz band. The long-term strain data of Kamioka were consistent with regional tectonic trend observed by GNSS. We analyzed strain steps associated with local and distant earthquakes and found that all the observed amplitudes were the same order with theoretical strain steps calculated from fault models of the earthquakes while strain components of some sites were slightly different from the calculations. For the short-term slow slips which were sometimes observed in the Tokai area, records of Inuyama, Funagira, and borehole strainmeters were comprehensively analyzed and a very short-term, about an hour, acceleration of the slip was newly recognized.

  3. 巨大海台衝突に伴う北部琉球弧のプレート間固着の研究

    2013.4 - 2017.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    古本 宗充, 古本 宗充, 佐々木 圭一, 鷺谷 威, 伊藤 武男, 寺川 寿子

    　 More details

    Authorship：Collaborating Investigator(s) (not designated on Grant-in-Aid)  Grant type：Competitive

  4. スマトラ巨大地震発生後のスマトラ断層：余効変動の収束と新たな歪み蓄積過程の解明

    2012.4 - 2016.3

    科学研究費補助金  基盤研究(B)

    田部井隆雄

    　 More details

    Authorship：Coinvestigator(s) 

    Grant amount：\4800000 （ Direct Cost: \4800000 ）

  5. モンテカルロ法による最適なモデル解像度を得る逆解析手法の開発とその応用

    2011.4 - 2015.3

    科学研究費補助金  若手研究(B)

    　 More details

    Authorship：Principal investigator  Grant type：Competitive

    Grant amount：\4000000 （ Direct Cost: \4000000 ）

  6. 地殻応力臨界状態トモグラフィー手法の開発

    2008.4 - 2011.3

    科学研究費補助金  若手研究(B) 20740254

    伊藤 武男

    　 More details

    Authorship：Principal investigator 

  7. Study of scattering property in the crust using the autocorrelation function of ambient seismic noises

    2008.4 - 2010.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(C)

    　 More details

    Authorship：Coinvestigator(s) 

    Grant amount：\200000 （ Direct Cost: \200000 ）

  8. Research on reintegration process of 2004 Sumatra Earthquake and strain accumulation process in the Sumatran Fault in North Sumatra International coauthorship

    2007.4 - 2010.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(A)

    　 More details

    Authorship：Coinvestigator(s)  Grant type：Competitive

    Grant amount：\3000000 （ Direct Cost: \3000000 ）

  9. 非弾性・不均質構造を用いた広域的地殻変動の解明

    2003.4 - 2004.4

    科学研究費補助金  特別研究員奨励費

    伊藤　武男

    　 More details

    Authorship：Principal investigator  Grant type：Competitive

  10. 粘弾性体中におけるプレート間相互作用と地震との関係についての研究

    2001.4 - 2003.3

    科学研究費補助金 

    伊藤　武男

    　 More details

    Authorship：Principal investigator  Grant type：Competitive

    Grant amount：\3000000

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To the head of KAKENHI (Grants-in-Aid for Scientific Research).▲
 

Teaching Experience (On-campus) 46

  1. Planetary Environmental Science

    2021

    　詳細を見る

    The target area of Earth and Planetary Sciences is extremely wide. The course aims to understand and consider new perspectives on features and history of the Earth. Also, students will be able to consider and discuss global environmental issues and natural disasters from a broad perspective. It fits a student who starts basics of the Earth and Planetary Sciences in a first-year education. In additoin, this course is given in Japanese.

  2. Modern Geodesy

    2021

    　詳細を見る

    Geodesy is the Earth science of accurately measuring and understanding Earth's geometric shape over time. This course introduces the foundations of space gedodesy and geodetic observation to students taking this course. This course aims to help students acquire an understanding of basics of geodesy and how to understand the geodetic observed data.

  3. Geophysics and Planetary Physics Experiments I

    2021

    　詳細を見る

    Unifying observation, theory, and experiment is fundamentally important to understand various phenomena in the Earth and planets. In this course, students will first learn cautionary points in conducting experiments and data treatment methodology, and then will acquire data by themselves through seismic and geodetic observations and laboratory experiments. Students will analyze acquired data and improve their abilities to solve problems to understand phenomena in the Earth and planets.

  4. Frontier of Earth and Planetary Sciences

    2021

    　詳細を見る

    The target area of Earth and Planetary Sciences is extremely wide. The course aims to understand and consider new perspectives on features and history of the Earth. Also, students will be able to consider and discuss global environmental issues and natural disasters from a broad perspective. It fits a student who starts basics of the Earth and Planetary Sciences in a first-year education. In additoin, this course is given in Japanese.

  5. 地球惑星ダイナミクスセミナー2B

    2020

  6. 地球惑星ダイナミクスセミナー1D

    2020

  7. 地球惑星ダイナミクスセミナー２D

    2020

  8. 地球惑星ダイナミクスセミナー１B

    2020

  9. 地球惑星科学セミナー

    2020

  10. Planetary Environmental Science

    2019

  11. 地球惑星ダイナミクスセミナー2B

    2019

  12. 地球惑星ダイナミクスセミナー1D

    2019

  13. 地球惑星ダイナミクスセミナー２D

    2019

  14. 地球惑星ダイナミクスセミナー１B

    2019

  15. Geophysics and Planetary Physics Experiments I

    2019

  16. Modern Geodesy

    2019

  17. Planetary Environmental Science

    2018

  18. Frontier of Earth and Planetary Sciences

    2018

  19. 地殻活動特論

    2018

  20. 地球惑星ダイナミクスセミナー

    2018

  21. Geophysics and Planetary Physics Experiments I

    2018

  22. 地球惑星科学の最前線

    2017

  23. 惑星環境学

    2017

  24. 地球惑星ダイナミクスセミナー

    2017

  25. 地殻活動特論

    2017

  26. 地球惑星物理学実験法及び実験Ⅰ

    2017

  27. 地殻活動特論

    2016

  28. 地球惑星ダイナミクスセミナー

    2016

  29. 地球惑星物理学実験法及び実験Ⅰ

    2016

  30. 地球惑星科学セミナー

    2015

  31. 地球惑星ダイナミクスセミナー

    2015

  32. 地球惑星学実験法および実験1

    2015

  33. 地殻活動特論

    2015

  34. 地殻活動特論

    2014

  35. 地球惑星ダイナミクスセミナー

    2014

  36. 地球惑星学実験法および実験1

    2014

  37. 地球惑星ダイナミクスセミナー

    2013

  38. 地球惑星学実験法および実験1

    2013

  39. 固体地球惑星物理学

    2012

  40. 地球惑星学実験法および実験1

    2012

  41. 地球惑星ダイナミクスセミナー

    2012

  42. 地球惑星学実験法および実験1

    2011

  43. 固体地球惑星物理学

    2011

  44. 地球惑星ダイナミクスセミナー

    2008

  45. 英語論文購読セミナー

    2008

  46. 地震観測セミナー

    2008

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To the head of Teaching Experience (On-campus).▲

Teaching Experience (Off-campus) 1

  1. 科学の最前線と歴史

    2015.4 - 2018.3 （Meijo University）

    　More details

    Level：Undergraduate (liberal arts) 

To the head of Teaching Experience (Off-campus).▲
 

Social Contribution 17

  1. GPSで潮の満ち引きを観測し、地下プレート運動を解明するユニークな手法を考案

    Role(s)：Informant,　Contribution

    河合塾  みらいぶっく  2021.12

  2. 地震のはなし

    Role(s)：Lecturer

    名大祭  名大祭  名古屋大学  2017.6

    　More details

    Audience： High school students,　College students,　General

    Type：Seminar, workshop

  3. 「大地震に備えて」

    Role(s)：Lecturer

    尾張旭市大久手自治会  「防災を考える会」  2017.6

  4. 名大祭

    Role(s)：Lecturer

    名大祭  名大祭  名古屋大学  2017.6

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    Audience： High school students,　College students,　General

    Type：Seminar, workshop

  5. 「地震の危険と命を守る」

    Role(s)：Lecturer

    尾張旭市大久手自治会  「防災を考える会」  尾張旭市大久手町公民館  2016.6

    　More details

    Audience： General,　Civic organization

    Type：Lecture

    地震の危険と命を守る

  6. 地震の危険と命を守る

    Role(s)：Lecturer

    尾張旭市大久手町  防災を考える会  尾張旭市大久手町公民館  2016.6

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    Audience： General,　Civic organization

    Type：Lecture

    地震の危険と命を守る

  7. 「防災を考える会」

    Role(s)：Lecturer

    尾張旭市大久手自治会  2015.11

    　More details

    Type：Lecture

    尾張旭市で防災を考える会(2015/11/08)にて講演[地震の危険と命を守る備え]を実施．

  8. 教員免許状更新講習

    2012.7

  9. 愛知県退職女性校長会 平成24年度研修会「みんなの知らない地震の話」

    2012.4

  10. 瀬戸市公民館大会　過去の地震・津波教訓から学ぶ「大地震に備えて」

    2012.3

  11. 地震防災セミナー -水南小学区を知ろう-

    2012.1

  12. 「命を守る」防災対策講習会

    2011.12

  13. 地震・津波教訓から学ぶ 震災・津波への対応行動

    2011.9

    　More details

    南部地区税関関連企業懇話会での講演

  14. 教員免許状更新講習

    2011.7

  15. ＳＳＨ地学分野別研修

    2011.7

  16. 震災・津波への対応行動についての講演（名古屋港）

    2011.6

    　More details

    震災・津波への対応行動について1時間の講演を実施

  17. 地震・防災の講演(水南公民館)

    2011.6

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To the head of Social Contribution.▲

Media Coverage 1

  1. 火山と共に生きるために TV or radio program

    メーテレ  「アップ！」  2019.9

    　More details

    Author：Myself 

To the head of Media Coverage.▲