2013 Fiscal Year Final Research Report
Comprehensive modeling of pre- and co-seismic processes
| Project Area | New perspective of great subduction-zone earthquakes from the super deep drilling |
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| Project/Area Number |
21107007
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| Research Category |
Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
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| Research Institution | The University of Tokyo |
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Principal Investigator |
IDE Satoshi 東京大学, 理学(系)研究科(研究院), 教授 (90292713)
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| Co-Investigator(Kenkyū-buntansha) |
HORI Takane 海洋研究開発機構, 地震津波防災プロジェクト, サブリーダー (00359176)
YOSHIOKA Shoichi 神戸大学, 都市安全研究センター, 教授 (20222391)
SHIBAZAKI Bunichiro 建築研究所, 国際地震工学センター, 上席研究員 (20344012)
ITO Yoshihiro 京都大学, 防災研究所, 准教授 (30435581)
KAME Nobuki 東京大学, 地震研究所, 准教授 (90304724)
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| Co-Investigator(Renkei-kenkyūsha) |
MOCHIZUKI Kimihiro 東京大学, 地震研究所, 准教授 (80292861)
ANDO Ryosuke 産業技術総合研究所, 地質分野研究企画室, 企画主幹 (10455256)
SUZUKI Takehito 東京大学, 大学院理学系研究科, 特任助教 (10451874)
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| Project Period (FY) |
2009-07-23 – 2014-03-31
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| Keywords | 南海沈み込み帯 / 海溝型巨大地震 / ゆっくり地震 / 動的破壊過程 / 応力場 / 東北地方太平洋沖地震 / 地震サイクル |
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| Research Abstract |
We studied inter-, pre-, and co-seismic process of mega-quake in the Nankai subduction zone. The main topics are (A) slow deformation on the shallow plate interface around accretionary prism, (B) dynamic rupture in geometrically complex fault system, and (C) earthquake cycle including preparation stage of a mega-quake. We successfully constructed a new comprehensive model for physical processes of mega-earthquakes in subduction zone, in a wide frequency range, through the modeling of slow earthquakes and the 2011 Tohoku-Oki earthquake.
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Research Products
(37 results)
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[Journal Article] 3D modeling of the cycle of a great Tohokoki earthquake, considering frictional behavior at low to high slip velocities2011
Author(s)
Shibazaki, B., T., Matsuzawa, A., Tsutsumi, K. Ujiie, A. Hasegawa, and, Y. Ito
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Journal Title
Geophys. Res. Lett
Volume: 38
Pages: L21305
DOI
Peer Reviewed
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[Presentation] Frontal wedge deformation near the source region of the 2011 Tohoku-Oki earthquake2011
Author(s)
Ito, Y., Tsuji, T., Osada, Y., Kido, M., Inazu, D., Hayashi, Y., Tsushima, H., Hino, R., Fujimoto, H
Organizer
AGU 2011 Fall Meeting
Place of Presentation
San Francisco (アメリカ)
Year and Date
2011-12-05
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