Structure and Composition of the Plate-Boundary Slip Zone for the 2011 Tohoku-Oki Earthquake-Reference-Cited by-同舟云学术

Structure and Composition of the Plate-Boundary Slip Zone for the 2011 Tohoku-Oki Earthquake

Published:2013-12-06 Issue:6163 Volume:342 Page:1208-1211
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Chester Frederick M.¹,Rowe Christie²,Ujiie Kohtaro³,Kirkpatrick James⁴,Regalla Christine⁵,Remitti Francesca⁶,Moore J. Casey⁷,Toy Virginia⁸,Wolfson-Schwehr Monica⁹,Bose Santanu¹⁰,Kameda Jun¹¹,Mori James J.¹²,Brodsky Emily E.⁷,Eguchi Nobuhisa¹³,Toczko Sean¹³,

Affiliation:

1. Center for Tectonophysics, Department of Geology and Geophysics, Texas A&M University, College Station, TX 77843, USA.

2. Earth and Planetary Sciences Department, McGill University, Montreal, Canada.

3. Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan; Institute for Research on Earth Evolution, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan.

4. Department of Geosciences, Colorado State University, Fort Collins, CO 80523, USA.

5. Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA.

6. Dipartimento di Scienze della Terra, Università di Modena e Reggio Emilia largo, Modena, Italy.

7. Department of Earth and Planetary Sciences, University of California Santa Cruz, Santa Cruz, CA 95064, USA.

8. Department of Geology, University of Otago, Dunedin, New Zealand.

9. Center for Coastal and Ocean Mapping/Joint Hydrographic Center, University of New Hampshire, Durham, NH 03824, USA.

10. Department of Geology, University of Calcutta, Kolkata, India.

11. Department of Earth and Planetary Science, The University of Tokyo, Tokyo, Japan.

12. Earthquake Hazards Division, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan.

13. Center for Deep Earth Exploration, Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan.

Abstract

Deep Drilling for Earthquake Clues The 2011 M w 9.0 Tohoku-Oki earthquake and tsunami were remarkable in many regards, including the rupturing of shallow trench sediments with huge associated slip (see the Perspective by Wang and Kinoshita ). The Japan Trench Fast Drilling Project rapid response drilling expedition sought to sample and monitor the fault zone directly through a series of boreholes. Chester et al. (p. 1208 ) describe the structure and composition of the thin fault zone, which is predominately comprised of weak clay-rich sediments. Using these same fault-zone materials, Ujiie et al. (p. 1211 ) performed high-velocity frictional experiments to determine the physical controls on the large slip that occurred during the earthquake. Finally, Fulton et al. (p. 1214 ) measured in situ temperature anomalies across the fault zone for 9 months, establishing a baseline for frictional resistance and stress during and following the earthquake.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference28 articles.

1. Nearly complete stress drop in the 2011 M w 9.0 off the Pacific coast of Tohoku Earthquake

2. A normal-faulting seismic sequence triggered by the 2011 off the Pacific coast of Tohoku Earthquake: Wholesale stress regime changes in the upper plate

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

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

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

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