Great Tohoku earthquake of March 11, 2011: Preliminary seismological analysis |
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| Authors: | A I Lutikov |
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| Institution: | 1.Shmidt Institute of Earth Physics,Russian Academy of Sciences,Moscow,Russia;2.Geophysical Survey,Russian Academy of Sciences,Obninsk, Kaluga oblast,Russia |
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| Abstract: | The results of a preliminary analysis of the source zone of the 2011 Tohoku earthquake (M
w
= 9.1) near the east coast of Honshu, Japan, are considered. We traced the seismic history of the release of the cumulative
scalar seismic moment for the last 110 years and temporal variations in the ordering index for the last 35 years. These parameters
are important characteristics of a seismotectonic deformation process. The foreshock activation stage and the initial phase
of the aftershock process are studied based on these characteristics. |
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