Japan Agency for Marine-Earth Science and Technology(海洋研究開発機構)
Research Institute for Marine Geodynamics, Subduction Dynamics Research Center, Marine Seismology Research Group(海域地震火山部門 地震発生帯研究センター プレート構造研究グループ)
3173-25 Showa-machi Kanazawa-ku Yokohama Kanagawa 236-0001 Japan
Email: ryuta (at) jamstec.go.jp (Replace (at) with @ )
Google Scholar ORCID Researchmap KAKEN
Professional History:
2024-present: Senior Researcher, JAMSTEC(海洋研究開発機構 主任研究員)
2020-2024: Researcher, JAMSTEC(海洋研究開発機構 副主任研究員)
2016-2020: Researcher (II), JAMSTEC(海洋研究開発機構 研究員)
2014-2016: Post-doctoral Researcher, JAMSTEC(海洋研究開発機構 ポスドク研究員)
2012-2014: Post-doctoral Researcher, Department of Geology and Geophysics, SOEST, University of Hawaii(ハワイ大学 ポスドク研究員)
2011-2012: Post-doctoral Researcher, Earthquake Research Institute, University of Tokyo(東京大学地震研究所 特任研究員)
2009-2011: JSPS Research Fellowship for Young Scientist (DC2)(日本学術振興会 特別研究員(DC2))
Service Activity:
2025-Present: Special Researcher, National Institute of Science and Technology Policy, MEXT (文部科学省科学技術・学術政策研究所 専門調査員)
2025-Present: Editor, Earth Planets and Space (Earth Planets and Space誌 編集委員)
2024-Present: Chairperson of Committee for Summer Schoold of Seismology 2025, Seismological Society of Japan(2025年度日本地震学会地震学夏の学校臨時委員会 委員長)
2024-Present: Representative, Seismological Society of Japan(日本地震学会 代議員)
2020-Present: Member of Newsletter Editorial Board, Seismological Society of Japan(日本地震学会 学会情報誌編集委員会 委員)
2024: Member of Committee for Outstanding Student Presentation Awards, Seismological Society of Japan(2024年度日本地震学会学生優秀発表賞選考小委員会 委員)
2022-2024: Executive Board Member, Seismological Society of Japan(日本地震学会 役員代議員(理事))
2022-2024: Chief Editor of Newsletter Editorial Board, Seismological Society of Japan(日本地震学会 学会情報誌編集委員会 編集長)
2022-2024: Member of Committee for Seismology Outreach, Seismological Society of Japan(日本地震学会 地震学を社会に伝える連絡会議 委員)
2020-2022: Representative, Seismological Society of Japan(日本地震学会 代議員)
2020: Visiting Lecturer, Shizuoka University(静岡大学 非常勤講師)
2020: Member of Committee for Outstanding Student Presentation Awards, Seismological Society of Japan(2020年度日本地震学会学生優秀発表賞選考小委員会 委員)
2019: Visiting Lecturer, The Coordinating Committee for Earthquake Prediction, Japan(地震予知連絡会 講師)
2016: Visiting Lecturer, Association for the Development of Earthquake Prediction(地震予知総合研究振興会 講師)
2015: Member of Committee for Summer Schoold of Seismology 2015, Seismological Society of Japan(2015年度日本地震学会地震学夏の学校臨時委員会 委員)
Awards:
Editors' Highlights (JGR), 2021
Young Scientist Award of the Seismological Society of Japan, 2018(日本地震学会若手学術奨励賞)
External Funding:
2025-2029: 科学研究費補助金 基盤A (JSPS Kakenhi for Scientific Research A)
地震波構造解析と数値実験に基づく巨大地震を発生させる海山沈み込み現象の包括的理解(25H00701)
研究代表者(Principal Investigator)
2024-2028: 科学研究費補助金 基盤A (JSPS Kakenhi for Scientific Research A)
数値岩石箱実験による構造発達から地震発生までの統一的理解(24H00279)
研究分担者(Co-Investigator)
2024-2027: 環境研究総合推進費(環境問題対応型研究)
小笠原諸島西ノ島における大陸地殻の形成過程:プレート沈み込みの開始から衝突帯における大陸生成までのシナリオ(1235550)
研究分担者(Co-Investigator)
2022-2025: 科学研究費補助金 基盤C (JSPS Kakenhi for Scientific Research C)
地震波解析と数値計算に基づく複数海山の沈み込みが作る変形構造・応力場の解明(22K03789)
研究代表者(Principal Investigator)
2021-2025: 科学研究費補助金 学術変革領域研究(A) (JSPS Kakenhi for Transformative Research areas)
Slow-to-Fast地震発生帯の構造解剖と状態変化究明(21H05202)
研究分担者 (Co-Investigator)
2019-2022: 科学研究費補助金 新学術領域研究「スロー地震学」公募研究(JSPS Kakanhi for Scientific Research on Innovative areas)
稠密構造探査によるプレート境界浅部の断層構造・流体分布とスロー地震活動の関係解明(19K04629)
研究代表者 (Principal Investigator)
2018-2020: 科学研究費補助金 若手研究 (JSPS Kakenhi for Early-career Scientist)
3次元地震探査データに基づくプレート境界浅部の応力状態と詳細構造の推定(18K13641)
研究代表者 (Principal Investigator)
2009-2010: 科学研究費補助金 特別研究員(DC2) (JSPS Research Fellow DC2)
伊豆衝突帯における地震学的構造と物質学的構造の統一的理解(09J09214)
研究代表者 (Principal Investigator)
Education:
2011 Ph.D, University of Tokyo, Earth and Planetary Science
Thesis: Multiple collision and subduction structure of the Izu-Bonin arc revealed by integrated analysis of active and passive source seismic data
2008 M.Sc., University of Tokyo, Earth and Planetary Science
2006 B.Sci., University of Tokyo, Geophysics
Affiliations:
American Geophysical Union, Regular member
Japan Geoscience Union, Regular member
The Seismological Society of Japan, Regular member
The Geological Society of Japan, Regular member
Field Experiences:
2025 KM25-02, Sofu Seamount, OBS refraction and MCS reflection surveys, Passive OBS recovery, Onboard scientist
2023-2024 KH-23-11, Okinawa Trough, MCS reflection, Heat flow, Piston sampling, Onboard scientist
2023 KM23-13 (Leg1), Nankai Trough, OBS deployment, Chief Scientist
2022 KM22-10, Nankai Trough, OBS refraction and MCS reflection surveys, Chief Scientist
2021 YK21-14, Hyuga-nada, OBS deployment, Chief Scientist
2021 KH-21-3, Okinawa Trough, MCS reflection, Heat flow, Piston & dredge sampling, Onboard scientist
2020 KR20-10, Hyuga-nada, OBS recovery, Onboard scientist
2019 KM19-09, Nankai Trough, OBS refraction survey, Onboard scientist
2018 TAN18-03, Hikurangi subduction zone, OBS recovery, Onboard scientist
2018 MGL1801, Hikurangi subduction zone, 3D MCS reflection survey, Onboard scientist
2017 TAN17-12, Hikurangi subduction zone, OBS deployment, Onboard scientist
2017 KM17-08C, Ryukyu subduction zone, OBS refraction and MCS reflection surveys, Onboard scientist
2016 YK16-13, Nankai trough, MCS reflection survey, Onboard scientist
2016 KR15-21, Ryukyu subduction zone, MCS reflection survey, Onboard scientist
2015 KR15-11, Japan Sea and Ryukyu subduction zone, MCS reflection and refraction surveys, Onboard scientist
2014 KR14-06, Off Shatsky Rise, MCS reflection and refraction surveys, Onboard scientist
2013 MGL13-05, MAR Rainbow area, MCS reflection and refraction surveys, Onboard scientist
2008 Kaiko-maru No5, Off-Boso Peninsula, Refraction survey, Onboard student
Peer Review Experiences:
Nature Geoscience
Nature Communications
Journal of Geophysical Research: Solid Earth
Geophysical Research Letters
Geochemistry, Geophysics, Geosystems
Tectonics
Scientific Reports
Geophysical Journal International
Earth and Planetary Science Letters
Tectonophysics
Earth, Planets and Space
Journal of Volcanology and Geothermal Research
Gondwana Research
Marine Geophysical Research
Frontiers in Earth Science
Solid Earth
Seismica
Island Arc
Journal of Asian Earth Sciences
Zisin (Japanese)