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Coseismic and postseismic slip of the 2011 magnitude-9 Tohoku-Oki earthquake

Author

Listed:
  • Shinzaburo Ozawa

    (Geospatial Information Authority of Japan)

  • Takuya Nishimura

    (Geospatial Information Authority of Japan)

  • Hisashi Suito

    (Geospatial Information Authority of Japan)

  • Tomokazu Kobayashi

    (Geospatial Information Authority of Japan)

  • Mikio Tobita

    (Geospatial Information Authority of Japan)

  • Tetsuro Imakiire

    (Geospatial Information Authority of Japan)

Abstract

The Tohoku-Oki earthquake Detailed analysis of Global Positioning System data from Japan's Geospatial Information Authority network provides a record of coseismic and postseismic slip distribution on the megathrust fault where the magnitude-9.0 Tohoku-Oki earthquake occurred on 11 March 2011. The coseismic slip area stretches some 400 kilometres along the Japan trench, matching the area of the preseismic locked zone. Afterslip is now overlapping the coseismic slip area and expanding into the surrounding regions. The authors conclude that such geodetic data could help to improve the forecasting of earthquake potential along other subduction zones. In the accompanying News & Views, Jean-Philippe Avouac discusses current models for assessing seismic hazard.

Suggested Citation

  • Shinzaburo Ozawa & Takuya Nishimura & Hisashi Suito & Tomokazu Kobayashi & Mikio Tobita & Tetsuro Imakiire, 2011. "Coseismic and postseismic slip of the 2011 magnitude-9 Tohoku-Oki earthquake," Nature, Nature, vol. 475(7356), pages 373-376, July.
    • Handle: RePEc:nat:nature:v:475:y:2011:i:7356:d:10.1038_nature10227
    DOI: 10.1038/nature10227
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    Cited by:

    1. Norio Matsumoto & Naoji Koizumi, 2013. "Recent hydrological and geochemical research for earthquake prediction in Japan," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 69(2), pages 1247-1260, November.
    2. Tetsuya Shinozaki & Shigehiro Fujino & Minoru Ikehara & Yuki Sawai & Toru Tamura & Kazuhisa Goto & Daisuke Sugawara & Tomoya Abe, 2015. "Marine biomarkers deposited on coastal land by the 2011 Tohoku-oki tsunami," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 77(1), pages 445-460, May.
    3. Cunpeng Du & Haitao Yin & Shengwen Yu & Le Yang & Yuan Jia, 2023. "Effects of the 2011 Mw 9.0 Tohoku-Oki Earthquake on the Locking Characteristics and Seismic Risk of the Yishu Fault Zone in China," Sustainability, MDPI, vol. 15(5), pages 1-20, February.
    4. Kai Zhang & Yanru Wang & Yu Luo & Dineng Zhao & Mingwei Wang & Fanlin Yang & Ziyin Wu, 2023. "Complex tsunamigenic near-trench seafloor deformation during the 2011 Tohoku–Oki earthquake," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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