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J-GLOBAL ID：200901037341829347 Update date: Apr. 02, 2025

Ohta Yusaku

オオタユウサク | Ohta Yusaku

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Affiliation and department：
Job title： Professor
Other affiliations (2)：

Tohoku University International Research Institute of Disaster Science Risk Evaluation and Disaster Mitigation Research Division
Tohoku University Advanced Institute for Marine Ecosystem Change (WPI-AIMEC), Ocean-Solid Earth Dynamics Research Unit Unit Leader/Principal Investigator

Homepage URL (2)： https://www.aob.gp.tohoku.ac.jp , https://www.aob.gp.tohoku.ac.jp/aob-e/

Research field (1)： Solid earth science

Research keywords (8)： GPS , GNSS , CrustalDeformation , プレート境界型巨大地震 , 震源断層即時推定 , Tsunami early warning , GNSS/A observations , Ocean Bottom Pressure Measurement

Research theme for competitive and other funds (32)：

2024 - 2027 台風細密観測を実現するマルチジオハザード対応型小型浮体式波浪計の開発
2024 - 2027 Waveglider-based GNSS-acoustic survey utilized oceanographic model
2023 - 2027 Postseismic model for predicting crustal deformation and seismicity after the 7Tohoku-oki earthquake
2023 - 2027 Innovative ultra-high resolution real-time water vapor observation reveals the precursor and development process of cumuliform clouds
2024 - 2026 Realization of an understanding of the hydrographic structures through collaboration between seafloor geodesy and physical oceanography

2022 - 2026 Development of an Innovative Mobile Water Pressure Observation System -Realization of Interseismic Seafloor Vertical Crustal Deformation Monitoring

2021 - 2026 理・工・医学の連携による災害医療デジタルツインの開発と医療レジリエンスの再構築

2020 - 2025 (b) Establishment of a monitoring system for slip distribution along the plate interface

2023 - 2024 Research on efficient selection and evaluation of MEMS sensors with outstanding characteristics

2023 - 2024 2023年5月5日の地震を含む能登半島北東部陸海域で継続する地震と災害の総合調査

2021 - 2024 Continuous geohazard monitoring based on ultra high density onshore and offshore geodetic observation

2022 - 2023 能登半島北東部において継続する地震活動に関する総合調査

2020 - 2023 津波情報の即時伝達のための水中音響伝送手法の開発

2018 - 2022 Development of novel ground-based microwave radiometer for earth science

2017 - 2022 Fusion of sensing and simulation of tsunami damage assessment towards innovation of disaster medical system

2020 - 2022 New development of crustal deformation research deduced from hyper-dense GNSS

2018 - 2022 確度を考慮した全地球衛星測位システムによる地震・津波規模の即時推定法の開発

2017 - 2021 Fusion of sensing and simulation towards enhancing disaster medical system

2020 - 2021 革新的水圧変動モニタリングシステムの利活用先開拓のためのフィジビリティスタディ

2017 - 2019 海底水圧連続観測に基づく2011年東北沖地震震源域のスロースリップイベント活動

2014 - 2019 Resolution of crustal deformation of the Japan Islands in various spatio-temporal scales

2018 - 2019 Development of novel ocean bottom pressure measurement system for understanding of the broadband crustal deformation

2015 - 2018 Development of rapid coseismic fault model estimation system based on the multiple geodetic data

2015 - 2017 Development of the high accuracy attitude determination system for the GNSS/Acoustic seafloor geodetic observation

2012 - 2016 Sumatran Fault after the giant Sumatra earthquake - Temporal decay of postseismic deformation and initiation of a new strain accumulation process

2011 - 2016 Study on viscoelastic structure and monitoring of global change by observation of uplifting and gravity in Alaska, US

2014 - 2015 Noise assessment of the real-time kinematic multi-GNSS time series

2012 - 2014 A study on stress sensitivity of seismic velocity at shallow media using the earth tide and seismic wave interferometry

2010 - 2014 Research of rheological structure beneath the Ou-backbone Range based on the multiple geodetic data

2007 - 2008 Development of broadband GPS seismometer

2005 - 2008 Study on viscoelastic structure beneath Southeastern Alaska, United States through geodetic observation of crustal uplift Caused by deglaciation

2006 - 2007 プレート沈み込み帯におけるプレート間の力学的相互作用の時間変化の解明

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Papers (146)：

Yusaku Ohta, Takeshi Tameguri. Prior and Real-Time Estimations of Geohazards Related to Earthquake and Volcanic Eruptions. Journal of Disaster Research. 2025. 20. 2. 142-149
Tianhaozhe Sun, Kelin Wang, Jiangheng He, Fumiaki Tomita, Takeshi Iinuma, Ryota Hino, Motoyuki Kido, Yusaku Ohta. A Thin and Weak Lithosphere-Asthenosphere Boundary (LAB) Beneath the Oceanic Lithosphere and its Effects on Subduction Earthquake Cycle Deformation. 2025
Yamada T., Ohta Y., Nishimura T., Yoshida K., Hiramatsu Y., Kinoshita Y. Coseismic slip distribution of the 2024 Noto Peninsula earthquake deduced from dense global navigation satellite system network and interferometric synthetic aperture radar data: effect of assumed dip angle. Earth Planets Space. 2025. 77. 19
Tomita F., Kido M., Iinuma T., Ohta Y. GNSS-Acoustic positioning error in the vertical component considering the uncertainty of a reference sound speed profile. Marine Geophysical Research. 2025. 46. 3
Takuya Nishimura, Yoshihiro Hiramatsu, Yusaku Ohta. Deformation of the 2020-2024 Noto Peninsula earthquake sequence revealed by combined analysis of multiple GNSS observation networks in central Japan. 2025

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MISC (77)：

Yoshida, Keisuke, Takagi, Ryota, Fukushima, Yo, Ando, Ryosuke, Ohta, Yusaku, Hiramatsu, Yoshihiro. Relocated Earthquake Catalog near the Hypocenter of the 2024 Mw7.5 Noto Peninsula, Japan, Earthquake (from March 2003 to March 2024). Zenodo. 2024
富田史章, 木戸元之, 飯沼卓史, 太田雄策, 日野亮太, 大園真子, 高橋浩晃, PLATA-MARTINEZ Raymondo, 野徹雄, 中東和夫, et al. GNSS-Acoustic seafloor geodetic observations and their results along the Japan-Kuril trench. 日本地震学会秋季大会講演予稿集(CD-ROM). 2023. 2023
飯沼卓史, 木戸元之, 福田達也, 太田雄策, 富田史章, 有吉慶介, 永野憲, PLATA-MARTINEZ Raymundo, 日野亮太, 高橋浩晃, et al. GNSS-Acoustic Observation Using the Wave Glider to Detect the Seafloor Crustal Deformation (3). 日本測地学会講演会要旨. 2022. 138th
富田史章, 木戸元之, 飯沼卓史, 太田雄策, 本荘千枝, 日野亮太, 野徹雄, 中東和夫. Recent GNSS-Acoustic seafloor geodetic observations off Tohoku and their results. 日本地震学会秋季大会講演予稿集(CD-ROM). 2022. 2022
太田雄策, 日野亮太, 佐藤真樹子, 鈴木秀市, 大塚英人, 梶川宏明, 小畠時彦. Development of a deep sea self-calibrated OBP with the A-0-A method for detection of long-term crustal deformation (fourth report). 日本測地学会講演会要旨. 2021. 136th

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Patents (4)：

REGARD
津波浸水予測システム、制御装置、並列計算機システムの制御方法及びプログラム
津波浸水予測システム、データ処理サーバ、津波浸水予測の依頼方法及びプログラム
津波浸水予測システム、制御装置、津波浸水予測の提供方法及びプログラム

Books (2)：

図説地球科学の事典
朝倉書店 2018 ISBN:9784254160727
東日本大震災を分析する 1.地震・津波のメカニズムと被害の実態
明石書店 2013 ISBN:9784750338231

Lectures and oral presentations (469)：

A Thin and Weak Oceanic Lithosphere-Asthenosphere Boundary (LAB) Inferred From Crustal Deformation Following the 2011 Mw=9 Tohoku Earthquake
(AGU Fall Meeting 2024 2024)
Precise aftershock activity by rapid response seafloor observation in the eastern source region of the 2024 Noto-Hanto earthquake using ocean bottom seismometers
(AGU Fall Meeting 2024 2024)
Viscoelastic Relaxation and Afterslip Contribution to Postseismic Crustal Deformation After the 2024 Noto Peninsula Earthquake: Verification Using Very Dense GNSS Observations
(AGU Fall Meeting 2024 2024)
Coseismic Slip Distribution and Fault Geometry Evaluation of the 2024 Noto Peninsula Earthquake Deduced from Very Dense GNSS Networks
(AGU Fall Meeting 2024 2024)
A mysterious shallow slow slip event beneath the southern Ryukyu forearc
(AGU Fall Meeting 2024 2024)

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Education (2)：

- 2007 Nagoya University 環境学研究科地球環境科学専攻
- 2002 Kochi University Faculty of Science 自然環境科学科

Professional career (1)：

Doctor of Sciences (Nagoya University)

Work history (10)：

2024/07 - 現在 Tohoku University Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science Professor
2024/04 - 現在 Tohoku University Advanced Institute for Marine Ecosystem Change (WPI-AIMEC), Ocean-Solid Earth Dynamics Research Unit Unit Leader/Principal Investigator (Concurrent)
2021/04 - 現在 Tohoku University Division for the Establishment of Frontier Sciences of Organization for Advanced Studies (Concurrent)
2021/04 - 現在 Tohoku University International Research Institute of Disaster Science Risk Evaluation and Disaster Mitigation Research Division Disaster Geo-informatics Lab. (Concurrent)
2014/04 - 2024/06 Tohoku University Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science Associate Professor

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Committee career (54)：

2021/06 - 現在 The Geodetic Society of Japan Editor-in-chief of journal of the geodetic society of Japan
2020/10 - 2026/09 日本学術会議地球惑星科学委員会IUGG分科会IAG小委員会委員
2024/06 - 2026/05 日本測地学会評議員 (第51期・第52期)
2022/04 - 2026/03 公益社団法人日本地震学会通常代議員
2024/07 - 2025/03 国土地理院測地観測センター高精度測位社会における電子基準点施策のあり方検討会委員

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Awards (16)：

2024/04 - Ministry of Education, Culture, Sports, Science and Technology The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Awards for Science and Technology, Research Category Research on real-time analysis of crustal deformation using Global Positioning Satellite System for geo-hazard prediction
2023/03 - Seismological Society of Japan 2022 Research Paper Award of the Seismological Society of Japan Improvement on spatial resolution of a coseismic slip distribution using postseismic geodetic data through a viscoelastic inversion
2023/02 - Earth, Planets and Space EPS Highlighted Papers 2022 Potential for crustal deformation monitoring using a dense cell phone carrier Global Navigation Satellite System network
2021/09 - Mobile Communication Fund 20th DOCOMO Mobile Science Award, Excellence Award (Advanced Technology Category)
2021/08 - Japan Science and Technology Agency Award for Academic Startups 2021 RTi-cast

2019/03 - Cabinet Office, Government of Japan Japan Open Innovation Prize リアルタイム津波浸水被害予測システムの開発と運用

2017/04/26 - 公益財団法人新技術開発財団 The Ichimura Prize in Science for Distinguished Achievement リアルタイムGNSSを活用した巨大地震規模即時推定手法の開発

2017/04/19 - 文部科学省 The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology The Young Scientists' Prize 測地データ高精度解析による地震火山ハザード即時予測の研究

2016/03/15 - 一般社団法人レジリエンスジャパン推進協議会ジャパン・レジリエンスアワード2016 優秀賞リアルタイム津波浸水・被害推定システム

2016/02/24 - Earth, Planets and Space (Springer) Earth, Planets and Space, Highlighted Papers 2015 Advective diffusion of volcanic plume captured by dense GNSS network around Sakurajima volcano: a case study of the vulcanian eruption on July 24, 2012

2015/10/15 - 日本測地学会 23th The Tsuboi Prize of the Geodetic Society of Japan (Individual Prize) リアルタイム・キネマティックGNSSデータ解析の高度化、及びそれに基づく巨大地震の震源断層即時推定に関する研究

2015/05 - 日本火山学会平成27年度日本火山学会論文賞 Volume change of the magma reservoir relating to the 2011 Kirishima Shinmoe-dake eruption-Charging, discharging and recharging process inferred from GPS measurements recharging process inferred from GPS measurements

2014/03 - 公益社団法人日本地震学会 2013年度日本地震学会論文賞 Strain anomalies induced by the 2011 Tohoku Earthquake (Mw9.0) as observed by a dense GPS network in northeastern Japan

2013/05 - 日本測地学会 13th The Tsuboi Prize of the Geodetic Society of Japan (Group Prize) 海陸統合測地観測に基づく2011年東北地方太平洋沖地震に関する研究

2012/05 - 社団法人日本地震学会 2011 Young Researcher's Award, Seismological Society of Japan GPSデータ解析の高度化とそれに基づく地震発生過程に関する研究

2004/01 - American Geophysical Union AGU Outstanding Student Paper Awards (Geodesy Session)

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Association Membership(s) (4)：

測位航法学会 , American Geophysical Union (AGU) , 日本測地学会 , 日本地震学会

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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