Document Detail


The 2011 tohoku-oki earthquake: displacement reaching the trench axis.
MedLine Citation:
PMID:  22144619     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We detected and measured coseismic displacement caused by the 11 March 2011 Tohoku-Oki earthquake [moment magnitude (M(W)) 9.0] by using multibeam bathymetric surveys. The difference between bathymetric data acquired before and after the earthquake revealed that the displacement extended out to the axis of the Japan Trench, suggesting that the fault rupture reached the trench axis. The sea floor on the outermost landward area moved about 50 meters horizontally east-southeast and ~10 meters upward. The large horizontal displacement lifted the sea floor by up to 16 meters on the landward slope in addition to the vertical displacement.
Authors:
Toshiya Fujiwara; Shuichi Kodaira; Tetsuo No; Yuka Kaiho; Narumi Takahashi; Yoshiyuki Kaneda
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  334     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1240     Citation Subset:  IM    
Affiliation:
Institute for Research on Earth Evolution (IFREE), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Natsushima-cho 2-15, Yokosuka 237-0061, Japan.
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