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Science of Slow Earthquakes

International Activities Supporting Group

Project AreaScience of slow earthquakes
Project/Area Number 16K21728
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeMulti-year Fund
Review Section Science and Engineering
Research InstitutionThe University of Tokyo

Principal Investigator

Obara Kazushige  東京大学, 地震研究所, 教授 (40462501)

Co-Investigator(Kenkyū-buntansha) 廣瀬 仁  神戸大学, 都市安全研究センター, 准教授 (00465965)
波多野 恭弘  大阪大学, 理学研究科, 教授 (20360414)
氏家 恒太郎  筑波大学, 生命環境系, 准教授 (40359188)
望月 公廣  東京大学, 地震研究所, 教授 (80292861)
井出 哲  東京大学, 大学院理学系研究科(理学部), 教授 (90292713)
Project Period (FY) 2016-06-30 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥49,530,000 (Direct Cost: ¥38,100,000、Indirect Cost: ¥11,430,000)
Fiscal Year 2020: ¥13,130,000 (Direct Cost: ¥10,100,000、Indirect Cost: ¥3,030,000)
Fiscal Year 2019: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
Fiscal Year 2018: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
Fiscal Year 2017: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2016: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Keywordsスロー地震 / 低周波微動 / 超低周波地震 / スロースリップイベント / 小繰り返し地震 / 沈み込み帯 / 低周波地震 / 固体地球惑星物理学 / 地質学 / 非平衡・非線形物理 / 地震
Outline of Final Research Achievements

Through this research area, a new interdisciplinary collaborative research community has been established with the aim of understanding slow earthquakes, and various research results regarding slow earthquakes have been obtained. and Japan's international leadership in this research field has been strengthened by aggressive international activities such as annual international workshops, oversea self-invited workshops in some countries, construction of a slow earthquake database, and so on. As a result of our research, we have published a total of 468 original papers in international peer-reviewed journals (159 of which are international co-authored papers) in high-impact journals such as 7 papers from Science and 2 papers from Nature. The number of invited talks reached 75 times, and it was highly evaluated worldwide.

Academic Significance and Societal Importance of the Research Achievements

本研究領域における分野融合研究の成果として、スロー地震は、プレート境界固着域の浅部や深部を問わず、低周波微動帯域からスロースリップイベント帯域まで広がる「超広帯域現象」であり、その発生には「不均質」及び「水」が重要な役割を果たす、という基本的理解に達した。また、スロー地震と巨大地震との関連性についていくつかの重要な知見が得られたことは、今後国が南海トラフ巨大地震の発生可能性に関する臨時情報を発出する際に必要な評価検討において、これらの知見が大きく貢献するものであると言える。

Report

(8 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (48 results)

All 2023 2022 2021 2020 2019 2018 2017 Other

All Int'l Joint Research (22 results) Remarks (17 results) Funded Workshop (9 results)

  • [Int'l Joint Research] National Taiwan Normal University(その他の国・地域)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] シンガポール南洋理工大学/Earth Observatory of Singapore(シンガポール)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] スタンフォード大学/カリフォルニア工科大学(米国)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] カリフォルニア大学バークレー校/カリフォルニア工科大学(米国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] チリ大学(チリ)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] GNS Science/Victoria University of Wellington(ニュージーランド)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] University of Illinois/University of Southern California/Pennsylvania State University(米国)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] The Ecole Normal Suprerieure/University Grenoble Alpes/Institut de Physique du Globe de Paris(フランス)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] ETH(スイス)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research]

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] McGill University/University of Ottawa(カナダ)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] National University of Mexico(メキシコ)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] University of Southern California/Texas A&M University/Cornell University(米国)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] EPFL(スイス)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] University of Chile(チリ)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research]

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] Univ. of Texas at Austin/Univ. of South California/Georgia 工科大学(米国)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] Academia Sinica/国立台湾師範大学/National Cheng Kung University(台湾)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] GNS Science/Victoria University of Wellington/NIWA(ニュージーランド)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] IPGP/Ecole Normale Superieure/BRGM(フランス)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] Imperial College London/カーディフ大学(英国)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research]

    • Related Report
      2017 Research-status Report
  • [Remarks] スロー地震学

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/

    • Related Report
      2022 Annual Research Report
  • [Remarks] スロー地震学ニュースレター

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/newsletters/

    • Related Report
      2022 Annual Research Report
  • [Remarks] Science of Slow Earthquakes

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/

    • Related Report
      2021 Research-status Report 2020 Research-status Report 2019 Research-status Report
  • [Remarks] Project Overview

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/project-overview/

    • Related Report
      2021 Research-status Report 2020 Research-status Report 2019 Research-status Report 2017 Research-status Report
  • [Remarks] Achievements

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/project-overview/

    • Related Report
      2021 Research-status Report
  • [Remarks] Events/Activities

    • URL

      https://www.eri.u-tokyo.ac.jp/project/sloweq/en/events-activities/2020.html

    • Related Report
      2021 Research-status Report 2020 Research-status Report
  • [Remarks] Newsletters/Leaflet

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/newsletters/

    • Related Report
      2021 Research-status Report 2020 Research-status Report 2019 Research-status Report
  • [Remarks] Achievements

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/achievements/

    • Related Report
      2020 Research-status Report 2019 Research-status Report 2017 Research-status Report
  • [Remarks] Events/Activities

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/events-activities/2019.html

    • Related Report
      2019 Research-status Report
  • [Remarks] Science of Slow Earthquakes Top Page

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/

    • Related Report
      2018 Research-status Report 2017 Research-status Report
  • [Remarks] Science of Slow Earthquakes Project Overview

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/project-overview/

    • Related Report
      2018 Research-status Report
  • [Remarks] Administrative/International Group

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/project-overview/international-team/

    • Related Report
      2018 Research-status Report 2017 Research-status Report
  • [Remarks] Science of Slow Earthquakes Events/Activities

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/events-activities/

    • Related Report
      2018 Research-status Report
  • [Remarks] Science of Slow Earthquakes Achievements

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/achievements/

    • Related Report
      2018 Research-status Report
  • [Remarks] Events/Activities

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/events-activities/

    • Related Report
      2017 Research-status Report
  • [Remarks] Science of Slow Earthquakes - Top Page

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/

    • Related Report
      2016 Research-status Report
  • [Remarks] Science of Slow Earthquakes - Newsletters

    • URL

      http://www.eri.u-tokyo.ac.jp/project/sloweq/en/newsletters/

    • Related Report
      2016 Research-status Report
  • [Funded Workshop] Slow-to-Fast Earthquake Workshop in Taiwan2023

    • Related Report
      2022 Annual Research Report
  • [Funded Workshop] Slow-to-Fast地震学国際合同研究集会20222022

    • Related Report
      2022 Annual Research Report
  • [Funded Workshop] スロー地震学国際研究集会20212021

    • Related Report
      2021 Research-status Report
  • [Funded Workshop] スロー地震学国際研究集会20202020

    • Related Report
      2020 Research-status Report
  • [Funded Workshop] スロー地震学国際合同研究集会20192019

    • Related Report
      2019 Research-status Report
  • [Funded Workshop] チリ研究集会2019

    • Related Report
      2019 Research-status Report
  • [Funded Workshop] International Joint Workshop on Slow Earthquakes 20182018

    • Related Report
      2018 Research-status Report
  • [Funded Workshop] New Zealand-Japan Joint workshop on Slow Slip2018

    • Related Report
      2017 Research-status Report
  • [Funded Workshop] Joint Workshop on Slow Earthquakes 20172017

    • Related Report
      2017 Research-status Report

URL: 

Published: 2016-07-04   Modified: 2024-01-30  

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