Stress State in the Largest Displacement Area of the 2011 Tohoku-Oki Earthquake-Reference-Cited by-同舟云学术

Stress State in the Largest Displacement Area of the 2011 Tohoku-Oki Earthquake

Published:2013-02-08 Issue:6120 Volume:339 Page:687-690
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Lin Weiren¹²³,Conin Marianne⁴,Moore J. Casey⁵,Chester Frederick M.⁶,Nakamura Yasuyuki⁷,Mori James J.⁸,Anderson Louise⁹,Brodsky Emily E.⁵,Eguchi Nobuhisa¹⁰,Cook Becky,Jeppson Tamara,Wolfson-Schwehr Monica,Sanada Yoshinori,Saito Saneatsu,Kido Yukari,Hirose Takehiro,Behrmann Jan H.,Ikari Matt,Ujiie Kohtaro,Rowe Christie,Kirkpatrick James,Bose Santanu,Regalla Christine,Remitti Francesca,Toy Virginia,Fulton Patrick,Mishima Toshiaki,Yang Tao,Sun Tianhaozhe,Ishikawa Tsuyoshi,Sample James,Takai Ken,Kameda Jun,Toczko Sean,Maeda Lena,Kodaira Shuichi,Hino Ryota,Saffer Demian,

Affiliation:

1. Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Nankoku, Japan.

2. Geology Course, Graduate School of Arts and Sciences, Kochi University, Kochi, Japan.

3. Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, China University of Geosciences, Wuhan, China.

4. Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement (CEREGE), Europôle Méditerranéen de l'Arbois, Aix en Provence, France.

5. Earth and Planetary Sciences Department, University of California, Santa Cruz, CA, USA.

6. Center for Tectonophysics, Department of Geology and Geophysics, Texas A&M University, College Station, TX, USA.

7. Institute for Research on Earth Evolution, JAMSTEC, Yokohama, Japan.

8. Disaster Prevention Research Institute, Kyoto University, Uji, Japan.

9. Department of Geology, University of Leicester, Leicester, UK.

10. Center for Deep Earth Exploration, JAMSTEC, Yokohama, Japan.

Abstract

Stressed Out Large seismic events such as the 2011 magnitude 9.0 Tohoku-Oki earthquake can have profound effects not just on the severity of ground motion and tsunami generation, but also on the overall state of the crust in the surrounding regions. Lin et al. (p. 687 ) analyzed the stress 1 year after the Tohoku-Oki earthquake and compared it with the estimated stress state before the earthquake. In situ resistivity images were analyzed from three boreholes drilled into the crust across the plate interface where the earthquake occurred. Stress values indicate a nearly complete drop in stress following the earthquake such that the type of faulting above the plate boundary has changed substantially. These findings are consistent with observations that the sea floor moved nearly 50 meters during the earthquake.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference33 articles.

1. The 2011 Tohoku-Oki Earthquake: Displacement Reaching the Trench Axis

2. Shallow Dynamic Overshoot and Energetic Deep Rupture in the 2011 Mw 9.0 Tohoku-Oki Earthquake

3. Tsunami source of the 2011 off the Pacific coast of Tohoku Earthquake

4. Frontal wedge deformation near the source region of the 2011 Tohoku-Oki earthquake

5. Possible large near-trench slip during the 2011 M w 9.0 off the Pacific coast of Tohoku Earthquake

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