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Study on aseismic slip on the shallow plate interface by the S-net cabled seismometers

Research Project

Project/Area Number 15K05260
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Solid earth and planetary physics
Research InstitutionTohoku University

Principal Investigator

Uchida Naoki  東北大学, 理学研究科, 准教授 (80374908)

Project Period (FY) 2015-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords繰り返し地震 / S-net / プレート境界地震 / スロースリップ / 非地震性すべり / 小繰り返し地震 / 日本海溝海底地震津波観測網 / 相似地震 / 海底地震観測 / メカニズム解
Outline of Final Research Achievements

We utilized the S-net cabled OBS system to understand the slow slip and seismicity in the offshore Tohoku. The analysis based on land data revealed periodic occurrence of slow slip and transition between seismic and aseismic slip of fault due to the change in the loading rate. After the waveform database of S-net stations was constructed in 2018, the fast axis of shear wave splitting was estimated to be trench-parallel for the offshore area and small repeating earthquakes are identified by the database. In addition to this, the orientation of S-net sensor was estimated, the performance of deep learning model to estimate the P and S arrivals are evaluated, and the tremor and repeating earthquake distribution was examined to understand the slip mode of the plate boundary.

Academic Significance and Societal Importance of the Research Achievements

本研究で用いたS-netは、世界で初めての広域定常海底地震観測網である。この浅部プレート境界の直上観測およびその予備解析により、海底下の地殻構造・繰り返し地震活動・非地震性すべり・スロー地震の相互作用等に関する、世界的な学術的成果が得られた。またこれらの成果およびS-netセンサーの設置方位、海底堆積物での地震波走時遅れ量等、本研究で整備したデータベースを用いた共同研究で得られた基礎的知識は、もともと地震・津波の早期検知という社会的意義をもつS-netの活用において、その精度向上にも将来的に役立つと考えられる。

Report

(6 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (101 results)

All 2020 2019 2018 2017 2016 2015 Other

All Int'l Joint Research (7 results) Journal Article (29 results) (of which Int'l Joint Research: 13 results,  Peer Reviewed: 27 results,  Open Access: 19 results,  Acknowledgement Compliant: 4 results) Presentation (59 results) (of which Int'l Joint Research: 24 results,  Invited: 5 results) Remarks (6 results)

  • [Int'l Joint Research] University of California, Berkeley(米国)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] University of California, Berkeley(米国)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] カリフォルニア大学 バークレー校(米国)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] カリフォルニア大学 バークレー校/米国地質調査所(米国)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] 中国科学技術大学(中国)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] UC Berkeley/Stanford University/Indiana University(米国)

    • Related Report
      2015 Research-status Report
  • [Int'l Joint Research] Nanyang Technological University(Singapore)

    • Related Report
      2015 Research-status Report
  • [Journal Article] Migration of shallow and deep slow earthquakes toward the locked segment of the Nankai megathrust2020

    • Author(s)
      Naoki Uchida, Ryota Takagi, Youichi Asano, Kazushige Obara
    • Journal Title

      Earth and Planetary Science Letters

      Volume: 531 Pages: 115986-115986

    • DOI

      10.1016/j.epsl.2019.115986

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Surface creep rate distribution along the Philippine fault, Leyte Island, and possible repeating of Mw~6.5 earthquakes on an isolated locked patch2019

    • Author(s)
      Fukushima, Y., M. Hashimoto, M. Miyazawa, N. Uchida, and T. Taira
    • Journal Title

      Earth Planets and Space

      Volume: 71 Issue: 1 Pages: 118-118

    • DOI

      10.1186/s40623-019-1096-5

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Configuration and structure of the Philippine Sea Plate off Boso, Japan: constraints on the shallow subduction kinematics, seismicity, and slow slip events2019

    • Author(s)
      Ito Aki、Tonegawa Takashi、Uchida Naoki、Yamamoto Yojiro、Suetsugu Daisuke、Hino Ryota、Sugioka Hiroko、Obana Koichiro、Nakahigashi Kazuo、Shinohara Masanao
    • Journal Title

      Earth, Planets and Space

      Volume: 71 Issue: 1 Pages: 111-111

    • DOI

      10.1186/s40623-019-1090-y

    • NAID

      120006767925

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Repeating earthquakes and interplate coupling along the western part of the North Anatolian Fault2019

    • Author(s)
      Uchida N.、Kalafat D.、Pinar A.、Yamamoto Y.
    • Journal Title

      Tectonophysics

      Volume: 769 Pages: 228185-228185

    • DOI

      10.1016/j.tecto.2019.228185

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The slow earthquake spectrum in the Japan Trench illuminated by the S-net seafloor observatories2019

    • Author(s)
      Nishikawa T.、Matsuzawa T.、Ohta K.、Uchida N.、Nishimura T.、Ide S.
    • Journal Title

      Science

      Volume: 365 Issue: 6455 Pages: 808-813

    • DOI

      10.1126/science.aax5618

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Offshore Postseismic Deformation of the 2011 Tohoku Earthquake Revisited: Application of an Improved GPS‐Acoustic Positioning Method Considering Horizontal Gradient of Sound Speed Structure2019

    • Author(s)
      Honsho C.、Kido M.、Tomita F.、Uchida N.
    • Journal Title

      Journal of Geophysical Research: Solid Earth

      Volume: 124 Issue: 6 Pages: 5990-6009

    • DOI

      10.1029/2018jb017135

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Detection of repeating earthquakes and their application in characterizing slow fault slip2019

    • Author(s)
      Uchida Naoki
    • Journal Title

      Progress in Earth and Planetary Science

      Volume: 6 Issue: 1 Pages: 40-40

    • DOI

      10.1186/s40645-019-0284-z

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Along‐Strike Variation and Migration of Long‐Term Slow Slip Events in the Western Nankai Subduction Zone, Japan2019

    • Author(s)
      Takagi Ryota、Uchida Naoki、Obara Kazushige
    • Journal Title

      Journal of Geophysical Research: Solid Earth

      Volume: not Issue: 4 Pages: 1-28

    • DOI

      10.1029/2018jb016738

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Repeating earthquakes2019

    • Author(s)
      N. Uchida and R. Burgmann
    • Journal Title

      Annu. Rev. Earth Planet. Sci.

      Volume: 47 Pages: 305-332

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Detection of Small Earthquakes Using the Matched Filter Method Immediately After the Tohoku-Oki Earthquake2018

    • Author(s)
      奥田貴・内田直希・浅野陽一
    • Journal Title

      Zisin (Journal of the Seismological Society of Japan. 2nd ser.)

      Volume: 71 Issue: 0 Pages: 87-101

    • DOI

      10.4294/zisin.2017-8

    • NAID

      130007644162

    • ISSN
      0037-1114, 1883-9029, 2186-599X
    • Year and Date
      2018-07-10
    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Performance and Validation of Long-Term Predictability for Repeating Earthquake Groups with a Few Recurrences2018

    • Author(s)
      田中昌之・岡田正実・内田直希
    • Journal Title

      Zisin (Journal of the Seismological Society of Japan. 2nd ser.)

      Volume: 70 Issue: 0 Pages: 195-213

    • DOI

      10.4294/zisin.2016-17

    • NAID

      130006342102

    • ISSN
      0037-1114, 1883-9029, 2186-599X
    • Year and Date
      2018-01-10
    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Repeated drainage from megathrusts during episodic slow slip2018

    • Author(s)
      Nakajima, J., and N. Uchida
    • Journal Title

      Nature Geoscience

      Volume: 印刷中 Issue: 5 Pages: 351-356

    • DOI

      10.1038/s41561-018-0090-z

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Development of Slow Earthquake Database2018

    • Author(s)
      Kano, M., N. Aso, S. Annoura, R. Arai, K. Chao, K. Heki, S. Itaba, Y. Ito, N. Kamaya, T. Maeda, J. Maury, M. Nakamura, T. Nishimura, K. Obana, H. Sugioka, R. Takagi, T. Takahashi, A. Takeo, Y. Tu, N. Uchida, Y. Yamashita, T. Matsuzawa, S. Ide and K. Obara
    • Journal Title

      Seismol. Res. Lett.

      Volume: 89(4) Issue: 4 Pages: 1566-1575

    • DOI

      10.1785/0220180021

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A trial modeling of perturbed repeating earthquakes combined by mathematical statics, numerical modeling and seismological observations2018

    • Author(s)
      Ariyoshi, K., S. Nomura, N. Uchida, and T. Igarashi
    • Journal Title

      Moment Tensor Solutions - A Useful Tool for Seismotectonics,

      Volume: 681-690 Pages: 681-690

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] くり返し発生する地震と地震の準備過程2018

    • Author(s)
      内田直希
    • Journal Title

      パリティ

      Volume: 33(1) Pages: 84-88

    • Related Report
      2017 Research-status Report
  • [Journal Article] Emergence and disappearance of interplate repeating earthquakes following the 2011 M9.0 Tohoku-oki earthquake: Slip behavior transition between seismic and aseismic depending on the loading rate2017

    • Author(s)
      Hatakeyama, N., N. Uchida, T. Matsuzawa, and W. Nakamura
    • Journal Title

      J. Geophys. Res.

      Volume: 122(7) Issue: 7 Pages: 5160-5180

    • DOI

      10.1002/2016jb013914

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Temporal variation of intermediate-depth earthquakes around the time of the M 9.0 Tohoku-oki earthquake2017

    • Author(s)
      Delbridge, B. G., S. Kita, N. Uchida, C. W. Johnson, T. Matsuzawa, and R. Burgmann
    • Journal Title

      Geophys. Res. Lett.

      Volume: 44(8) Issue: 8 Pages: 3580-3590

    • DOI

      10.1002/2017gl072876

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Acceleration of regional plate subduction beneath Kanto Japan, after the 2011 Tohoku-oki earthquake2016

    • Author(s)
      Uchida, N., Y. Asano, and A. Hasegawa
    • Journal Title

      Geophysical Research Letters

      Volume: 43 Issue: 17 Pages: 9002-9008

    • DOI

      10.1002/2016gl070298

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] The great 1933 Sanriku-oki earthquake: reappraisal of the mainshock and its aftershocks and implications for its tsunami using regional tsunami and seismic data2016

    • Author(s)
      Uchida, N., S. Kirby, N. Umino, R. Hino, and T. Kazakami
    • Journal Title

      Geophys. J. Int.

      Volume: 206 Issue: 3 Pages: 1619-1633

    • DOI

      10.1093/gji/ggw234

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Seafloor observations indicate spatial separation of coseismic and postseismic slips in the 2011 Tohoku earthquake2016

    • Author(s)
      Iinuma, T., R. Hino, N. Uchida, W. Nakamura, M. Kido, Y. Osada, and S. Miura
    • Journal Title

      Nature Communications

      Volume: 7 Issue: 1 Pages: 1-9

    • DOI

      10.1038/ncomms13506

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Variation in high-frequency wave radiation from small repeating earthquakes as revealed by cross-spectral analysis2016

    • Author(s)
      Hatakeyama, N., N. Uchida, T. Matsuzawa, T. Okada, J. Nakajima, T. Matsushima, T. Kono, S. Hirahara, and T. Nakayama
    • Journal Title

      Geophysical Journal International

      Volume: 207(2) Issue: 2 Pages: 1030-1048

    • DOI

      10.1093/gji/ggw313

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Spatiotemporal variations of interplate slip rates in northeast Japan inverted from recurrence intervals of repeating earthquakes2016

    • Author(s)
      Nomura, S. Ogata, Y., Uchida, N. and Matsu’ura, M.
    • Journal Title

      Geophysical Journal International

      Volume: 208 Issue: 1 Pages: 468-481

    • DOI

      10.1093/gji/ggw395

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] 東北沖で周期的なスロースリップ?2016

    • Author(s)
      内田直希・日野亮太・飯沼卓史
    • Journal Title

      なゐふる

      Volume: 106 Pages: 4-5

    • Related Report
      2016 Research-status Report
  • [Journal Article] Periodic slow slip triggers megathrust zone earthquakes in northeastern Japan2016

    • Author(s)
      Uchida, N., T. Iinuma, R. M. Nadeau, R. Burgmann, and R. Hino
    • Journal Title

      Science

      Volume: 351 Issue: 6272 Pages: 488-492

    • DOI

      10.1126/science.aad3108

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Tohoku rupture reloaded?2016

    • Author(s)
      Burgmann, R., N. Uchida, Y. Hu, and T. Matsuzawa
    • Journal Title

      Nature Geoscience

      Volume: 9 Issue: 3 Pages: 183-184

    • DOI

      10.1038/ngeo2649

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Spatial distribution of the faulting types of small earthquakes around the 2011 Tohoku-oki earthquake: A comprehensive search using template events2016

    • Author(s)
      Nakamura, W., N. Uchida, and T. Matsuzawa
    • Journal Title

      J. Geophys. Res.

      Volume: 121 Issue: 4 Pages: 1-17

    • DOI

      10.1002/2015jb012584

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Stress-driven relaxation of heterogeneous upper mantle and time-dependent afterslip following the 2011 Tohoku earthquake2016

    • Author(s)
      Hu, Y., R. Burgmann, N. Uchida, P. Banerjee, and J. T. Freymueller
    • Journal Title

      J. Geophys. Res.

      Volume: 121 Issue: 1 Pages: 1-27

    • DOI

      10.1002/2015jb012508

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Long-term acceleration of aseismic slip preceding the Mw 9 Tohoku-oki earthquake: Constraints from repeating earthquakes2015

    • Author(s)
      Mavrommatis, A., P. Segall, N. Uchida, and K. Johnson
    • Journal Title

      Geophys. Res. Lett.

      Volume: 42 Issue: 22 Pages: 9717-9725

    • DOI

      10.1002/2015gl066069

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Depth-dependence of seismic velocity change associated with the 2011 Tohoku earthquake, Japan, revealed from repeating earthquake analysis and finite-difference wave propagation simulation2015

    • Author(s)
      Sawazaki, K., H. Kimura, K. Shiomi, N. Uchida, R. Takagi, and R. Snieder
    • Journal Title

      Geophys. J. Int.

      Volume: 201 Issue: 2 Pages: 741-763

    • DOI

      10.1093/gji/ggv014

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Mw6.5 Repeater Along a Creeping Section of the Philippine Fault?2019

    • Author(s)
      Yo Fukushima, Manabu Hashimoto, Masatoshi Miyazawa, Naoki Uchida, Taka'aki Taira
    • Organizer
      American Geophysical Union 2019 Fall Meeting
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Clustering of records of short-period ocean-bottom seismometers2019

    • Author(s)
      Hidenobu Takahashi, Ryota Hino, Yusaku Ohta, Naoki Uchida, Syuichi Suzuki, Masanao Shinohara
    • Organizer
      American Geophysical Union 2019 Fall Meeting
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Forearc trench-parallel anisotropy above a subducting plate revealed by the S-net ocean-bottom seismometers2019

    • Author(s)
      Naoki Uchida, Junichi Nakajima, Ryota Takagi, Keisuke Yoshida, Takashi Nakayama, Ryota Hino, Tomomi Okada, Youichi Asano, Sachiko Tanaka
    • Organizer
      American Geophysical Union 2019 Fall Meeting
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Seafloor sediment thickness below S-net observatories offshore of the east Japan revealed from PS conversion wave at the sedimentary basement2019

    • Author(s)
      Ryosuke Azuma, Ryota Takagi, Genti Toyokuni, Takashi Nakayama, Syuichi Suzuki, Makiko Sato, Naoki Uchida, Ryota Hino
    • Organizer
      American Geophysical Union 2019 Fall Meeting
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Deep slow-slip events promote seismicity in northeastern Japan subduction zone2019

    • Author(s)
      Khoshmanesh, M, M. Shirzaei, N. Uchida
    • Organizer
      American Geophysical Union 2019 Fall Meeting
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 短周期OBSデータのクラスタ解析による低周波微動検出の試み2019

    • Author(s)
      高橋 秀暢, 日野 亮太, 太田 雄策, 内田 直希, 鈴木 秀市, 篠原 雅尚
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 2011年東北沖地震による繰り返し地震の震源パラメータ変化(2)2019

    • Author(s)
      立岩 和也, 岡田 知己, 河野 俊夫, 内田 直希
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 2011年東北地方太平洋沖地震後に岩手県沖で発生した様々な繰り返し地震系列の破壊過程2019

    • Author(s)
      金 亜伊, 内田 直希
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Configuration and structure of the Philippine Sea plate off Boso, Japan2019

    • Author(s)
      伊藤 亜妃, 利根川 貴志, 内田 直希, 山本 揚二朗, 末次 大輔, 日野 亮太, 杉岡 裕子, 尾鼻 浩一郎, 中東 和夫, 篠原 雅尚
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] S-net により推定された前弧上盤の海溝平行の速度異方性2019

    • Author(s)
      内田 直希, 中島 淳一, 高木 涼太, 吉田 圭佑, 日野 亮太, 岡田 知己, 浅野 陽一, 田中 佐千子
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 堆積層基盤PS変換波にもとづくS-net観測点下の堆積層厚さ分布2019

    • Author(s)
      東 龍介, 高木 涼太, 豊国 源知, 中山 貴史, 鈴木 秀市, 佐藤 真樹子, 内田 直希, 日野 亮太
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] P and S wave tomography of the NE Japan forearc region using S-net data2019

    • Author(s)
      豊国 源知, 趙 大鵬, 内田 直希, 中山 貴史
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Creep rates along the Philippine fault, Leyte Island, and possible repeating of Mw6.5 earthquakes on an isolated locked patch2019

    • Author(s)
      福島 洋, 橋本 学, 宮澤 理稔, 内田 直希, 平 貴明
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 関東地方におけるスロースリップイベントの系統的検出の試み2019

    • Author(s)
      高木 涼太, 内田 直希, 小原 一成
    • Organizer
      日本地震学会2019年度秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Seismic imaging of the eastern Japan forearc region using S-net data2019

    • Author(s)
      豊国 源知, 趙 大鵬, 内田 直希, 中山 貴史
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 加速度計記録を用いたS-netのセンサー姿勢・方位推定と地殻変動検出可能性の検討2019

    • Author(s)
      高木 涼太, 内田 直希, 中山 貴史, 東 龍介, 石上 朗, 岡田 知己, 太田 雄策, 日野 亮太
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Possible tectonic tremor activities near the VLFE epicenters in the Sanriku-Oki region in 20112019

    • Author(s)
      高橋 秀暢, 日野 亮太, 太田 雄策, 内田 直希, 鈴木 秀市, 篠原 雅尚, 松澤 孝紀
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Tectonic tremor catalog in the Tohoku-Hokkaido-Oki region using S-net2019

    • Author(s)
      井出 哲, 西川 友章, 松澤 孝紀, 太田 和晃, 内田 直希, 西村 卓也
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 2011年東北沖地震による繰り返し地震の震源パラメータ変化2019

    • Author(s)
      立岩 和也, 岡田 知己, 河野 俊夫, 内田 直希
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 東北地方太平洋沖地震後の繰り返し地震活動:海陸地震観測網による検討2019

    • Author(s)
      内田直希, 高木涼太, 平原聡, 中山貴史, 松澤暢, 田中佐千子, 浅野陽一
    • Organizer
      地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] S-netを用いた東北日本前弧海域下のS波スプリッティング解析2019

    • Author(s)
      内田 直希, 中島 淳一, 高木 涼太, 吉田 圭佑, 中山 貴史, 日野 亮太, 岡田 知己, 浅野 陽一, 田中 佐千子
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] S-netを用いた初動読み取りと震源決定2019

    • Author(s)
      岡田 知己, 高木 涼太, 中山 貴史, 鈴木 秀市, 東 龍介, 豊国 源知, 吉田 圭佑, 内田 直希, 日野 亮太
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 堆積層基盤PS変換波の走時解析に基づく日本・千島海溝域の堆積層厚さ分布2019

    • Author(s)
      東 龍介, 豊国 源知, 高木 涼太, 鈴木 秀市, 佐藤 真樹子, 中山 貴史, 内田 直希, 日野 亮太
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] S-netを用いた海域総合解析2019

    • Author(s)
      内田 直希, 東 龍介, 石上 朗, 岡田 知己, 高木 涼太, 豊国 源知, 海野 徳仁, 太田 雄策, 佐藤 真樹子, 鈴木 秀市, 高橋 秀暢, 立岩 和也, 趙 大鵬, 中山 貴史, 長谷川 昭, 日野 亮太, 平原 聡, 松澤 暢, 吉田 圭佑
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Offshore Postseismic Deformation of the 2011 Tohoku Earthquake Revisited: Application of an Improved GPS-Acoustic Positioning Method Considering Sloping Sound Speed Structure2019

    • Author(s)
      本荘 千枝, 木戸 元之, 富田 史章, 内田 直希
    • Organizer
      日本地球惑星科学連合2019年大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Episodic slow slip after the 2011 Tohoku-oki earthquake: estimation from repeating earthquakes, very low frequency earthquakes, and seafloor geodetic measurements2019

    • Author(s)
      Naoki Uchida, Chie Honsho, Fumiaki Tomita, Takanori Matsuzawa, Roland Burgmann
    • Organizer
      EGU General Assembly
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 繰り返し地震の地震サイクルにおける近傍の微小地震活動~パークフィールドと東北沖との比較~2018

    • Author(s)
      田中麻莉子・内田直希・松澤暢・Robert M. Nadeau
    • Organizer
      日本地震学会2018年度秋季大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 小繰返し地震を用いたプレート境界地震とスロースリップの研究2018

    • Author(s)
      内田直希
    • Organizer
      日本地球惑星科学連合2018年大会
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] 東北地方太平洋沖地震後の周期的スロースリップ:繰り返し地震,超低周波地震および海底地殻変動観測による検出2018

    • Author(s)
      内田直希・本荘千枝・富田史章・松澤孝紀・Roland Burgmann
    • Organizer
      地震学会2018年度秋季大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Shallow slow slip along the Japan trench estimated from seismic and geodetic data2018

    • Author(s)
      Uchida, N., F. Tomita, T. Matsuzawa, T. Iinuma, M. Kido, R. Hino, R. Nadeau, and R. Burgmann
    • Organizer
      New Zealand - Japan Joint workshop on slow slip
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Migrating slow slip detected by slow and repeating earthquakes along the Nankai trough, Japan2017

    • Author(s)
      Uchida, N., K. Obara, R. Takagi, and Y. Asano
    • Organizer
      2017 AGU Fall Meeting
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Emergence and disappearance of interplate repeating earthquakes after the 2011 Tohoku-oki earthquake: transition between slow slip and earthquakes2017

    • Author(s)
      Uchida, N., N. Hatakeyama, T. Matsuzawa, and W. Nakamura
    • Organizer
      IAG-IASPEI2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Interaction between slow and repeating earthquakes - examples in Tohoku and Nankai subduction zones, Japan2017

    • Author(s)
      Uchida, N.
    • Organizer
      BSL Seminar
    • Related Report
      2017 Research-status Report
  • [Presentation] 繰り返し地震およびスロー地震から推定された南海トラフ域におけるスロースリップの移動2017

    • Author(s)
      内田直希・小原一成・高木涼太・浅野陽一
    • Organizer
      日本地震学会2017年度秋季大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 東日本で発生する中規模繰り返し地震の震源過程解析2017

    • Author(s)
      奥田貴・井出哲・内田直希
    • Organizer
      JpGU-AGU Joint Meeting 2017
    • Related Report
      2017 Research-status Report
  • [Presentation] 海底地震計によって捉えられた東北沖超低周波地震2017

    • Author(s)
      高橋秀暢・日野亮太・鈴木秀市・太田雄策・内田直希・篠原雅尚・仲谷幸浩・松澤孝紀
    • Organizer
      日本地震学会2017年度秋季大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 繰り返し地震近傍の微小地震の検出2017

    • Author(s)
      田中麻莉子・内田直希
    • Organizer
      日本地震学会2017年度秋季大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Long-term acceleration of aseismic slip prior to the 2011 M9 Tohoku-oki earthquake: Constraints from repeating earthquakes2016

    • Author(s)
      Mavrommatis, A., P. Segall, N. Uchida, and K. Johnson
    • Organizer
      EGU General Assembly 2016
    • Place of Presentation
      Vienna (Austria)
    • Year and Date
      2016-04-17
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Extraction of Crustal Deformation from Seafloor Hydraulic Pressure Gauges: A trial collaboration study2016

    • Author(s)
      Ariyoshi, K., A. Nagano, T. Hasegawa, H. Matsumoto, M. Kido, T. Igarashi, N. Uchida, R. Nakata, and Y. Yamashita
    • Organizer
      EGU General Assembly 2016
    • Place of Presentation
      Vienna (Austria)
    • Year and Date
      2016-04-17
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Long-term acceleration of aseismic slip prior to the 2011 M9 Tohoku-oki earthquake: Constraints from repeating earthquakes2016

    • Author(s)
      Mavrommatis, A., P. Segall, N. Uchida, and K. Johnson
    • Organizer
      EGU General Assembly 2016
    • Place of Presentation
      Austria Center Vienna(ウィーン、オーストリア)
    • Year and Date
      2016-04-17
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Extraction of Crustal Deformation from Seafloor Hydraulic Pressure Gauges: A trial collaboration study2016

    • Author(s)
      Ariyoshi, K., A. Nagano, T. Hasegawa, H. Matsumoto, M. Kido, T. Igarashi, N. Uchida, R. Nakata, and Y. Yamashita
    • Organizer
      EGU General Assembly 2016
    • Place of Presentation
      Austria Center Vienna(ウィーン、オーストリア)
    • Year and Date
      2016-04-17
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 東北大学のデータ流通網への接続と観測網運用2016

    • Author(s)
      内田直希・平原聡・中山貴史・出町知嗣・鈴木秀市・海田俊輝・堀修一郎・河野俊夫
    • Organizer
      データ流通ワークショップ
    • Place of Presentation
      東京大学地震研究所(東京都文京区)
    • Year and Date
      2016-03-29
    • Related Report
      2015 Research-status Report
  • [Presentation] Acceleration of regional plate subduction and increased seismicity beneath Kanto Japan, after the 2011 Tohoku-oki earthquake2016

    • Author(s)
      Uchida, N., Y. Asano, and A. Hasegawa
    • Organizer
      2016 AGU Fall meeting
    • Place of Presentation
      San Francisco (United States)
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Acceleration of Plate Subduction Beneath Kanto, Japan After the 2011 Tohoku-oki earthquake2016

    • Author(s)
      Uchida, N., Y. Asano, and A. Hasegawa
    • Organizer
      Crustal Dynamics 2016
    • Place of Presentation
      Takayama City Cultural Hall (Takayama, Gifu)
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Slow slip and repeating earthquakes in northeastern and southwestern Japan2016

    • Author(s)
      Uchida, N., K. Obara, R. Takagi, and Y. Asano
    • Organizer
      Joint Workshop on Slow Earthquakes 2016
    • Place of Presentation
      University of Tokyo (Tokyo)
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 東北日本における周期的スロースリップとプレート境界地震2016

    • Author(s)
      内田直希・飯沼卓史・R. M. Nadeau・R. Burgmann・日野亮太
    • Organizer
      日本地球惑星科学連合2016年大会
    • Place of Presentation
      幕張メッセ(千葉)
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] Postseismic Stress Evolution Following the 2011 Mw9.0 Tohoku-Oki Earthquake2016

    • Author(s)
      Fu, Y., R. Burgmann, N. Uchida, and K. Wang
    • Organizer
      2016 AGU Fall Meeting
    • Place of Presentation
      San Francisco (United States)
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Transient Deformation and Stress From Postseismic Deformation of Great Megathrust Earthquakes2016

    • Author(s)
      Burgmann, R., Y. Hu, and N. Uchida
    • Organizer
      Crustal Dtnamics 2016
    • Place of Presentation
      Takayama City Cultural Hall (Takayama, Gifu)
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Periodic slow slip and megathrust zone earthquakes in northeastern Japan2015

    • Author(s)
      Uchida, N., T. Iinuma, R. Nadeau, R. Burgmann, and R. Hino
    • Organizer
      2015 AGU Fall Meeting
    • Place of Presentation
      Moscone Center, San Francisco(アメリカ)
    • Year and Date
      2015-12-14
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Emergence, moment change and disappearance of repeating earthquakes following the 2011 Tohoku earthquake2015

    • Author(s)
      Hatakeyama, N., N. Uchida, and T. Matsuzawa
    • Organizer
      2015 AGU Fall Meeting
    • Place of Presentation
      Moscone Center, San Francisco(アメリカ)
    • Year and Date
      2015-12-14
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Spatial and temporal variations of radiated seismic energy estimated for repeating earthquakes in northeastern Japan; implication for healing process2015

    • Author(s)
      Ara, M., S. Ide, and N. Uchida
    • Organizer
      2015 AGU Fall Meeting
    • Place of Presentation
      Moscone Center, San Francisco(アメリカ)
    • Year and Date
      2015-12-14
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Spatial partitioning between co- and post-seismic slip of the 2011 Tohoku Earthquake based on seafloor and terrestrial geophysical observations2015

    • Author(s)
      Iinuma, T., R. Hino, N. Uchida, W. Nakamura, M. Kido, Y. Osada, and S. Miura
    • Organizer
      2015 AGU Fall Meeting
    • Place of Presentation
      Moscone Center, San Francisco(アメリカ)
    • Year and Date
      2015-12-14
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Repeating Earthquakes Confirm and Constrain Long-Term Acceleration of Aseismic Slip Preceding the M9 Tohoku-Oki Earthquake2015

    • Author(s)
      Mavrommatis, A., P. Segall, N. Uchida, and K. Johnson
    • Organizer
      2015 AGU Fall Meeting
    • Place of Presentation
      Moscone Center, San Francisco(アメリカ)
    • Year and Date
      2015-12-14
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 相似地震解析から推定された海底地殻変動の特徴と今後の課題2015

    • Author(s)
      有吉慶介・内田直希・五十嵐俊博
    • Organizer
      海洋理工学会平成27年度秋季大会
    • Place of Presentation
      京都大学 楽友会館(京都府)
    • Year and Date
      2015-10-29
    • Related Report
      2015 Research-status Report
  • [Presentation] 東北沖地震による関東下へのフィリピン海プレート沈み込みの加速2015

    • Author(s)
      内田直希・浅野陽一・長谷川昭
    • Organizer
      日本地震学会2015年度秋季大会
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2015-10-26
    • Related Report
      2015 Research-status Report
  • [Presentation] 東北沖繰り返し地震における地震波エネルギーの時間変化及び空間変化; 断層強度回復プロセスへの示唆2015

    • Author(s)
      荒諒理・井出哲・内田直希
    • Organizer
      日本地震学会2015年度秋季大会
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2015-10-26
    • Related Report
      2015 Research-status Report
  • [Presentation] 2011年東北沖地震に伴うプレート境界地震の出現と繰り返し地震の規模変化2015

    • Author(s)
      畠山範重・内田直希・松澤暢・中村航
    • Organizer
      日本地震学会2015年度秋季大会
    • Place of Presentation
      神戸国際会議場(神戸市)
    • Year and Date
      2015-10-26
    • Related Report
      2015 Research-status Report
  • [Presentation] Periodic slow slip in the northeastern Japan subduction zone2015

    • Author(s)
      Uchida, N., T. Iinuma, R. Nadeau, R. Burgmann, and R. Hino
    • Organizer
      Joint Workshop on Slow Earthquakes 2015
    • Place of Presentation
      Environmental Studies Hall, Nagoya University(名古屋)
    • Year and Date
      2015-09-24
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 繰り返し地震の発生回数による長期的発生予測への影響2015

    • Author(s)
      田中昌之・岡田正実・内田直希
    • Organizer
      研究集会”日本における地震発生予測検証実験(CSEP-Japa)"
    • Place of Presentation
      統計数理研究所(立川市)
    • Year and Date
      2015-07-23
    • Related Report
      2015 Research-status Report
  • [Remarks] UCHIDA's Page

    • URL

      http://www.aob.gp.tohoku.ac.jp/~uchida/index.html

    • Related Report
      2018 Research-status Report 2017 Research-status Report
  • [Remarks] Uchida's page

    • URL

      http://www.aob.gp.tohoku.ac.jp/~uchida/index.html

    • Related Report
      2016 Research-status Report
  • [Remarks] 論文紹介2016

    • URL

      http://www.aob.gp.tohoku.ac.jp/~uchida/page_1.html

    • Related Report
      2016 Research-status Report
  • [Remarks] Uchida's page

    • URL

      http://www.aob.gp.tohoku.ac.jp/~uchida/

    • Related Report
      2015 Research-status Report
  • [Remarks] 研究者紹介:内田直希

    • URL

      http://db.tohoku.ac.jp/whois/detail/c6e9de9267f4e6f92a08ef93dc4c2446.html

    • Related Report
      2015 Research-status Report
  • [Remarks] プレスリリース  北海道~関東地方の沖合で周期的なスロースリップを発見

    • URL

      http://www.tohoku.ac.jp/japanese/2016/01/press20160128-01.html

    • Related Report
      2015 Research-status Report

URL: 

Published: 2015-04-16   Modified: 2022-02-21  

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