Structure and peculiarities of the seismic regime in the source zone of the Takoe earthquake on September 1, 2001 (M
W 5.2) |
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| Authors: | A V Konovalov A I Ivashchenko Kim Choon Oon A S Sychov |
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| Institution: | (1) Institute of Marine Geology and Geophysics, Far East Division, Russian Academy of Sciences, Yuzhno-Sakhalinsk, Russia;(2) Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia |
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| Abstract: | The Takoe earthquake (M W 5.2) occurred between two en-echelon segments of the active Aprelovskii fault on September 1, 2001, and was accompanied by an earthquake swarm, which was successfully recorded by a local network of digital seismic stations located on the southern part of Sakhalin Island. Modern methods were applied to relocate the parameters of the sources for the earthquake swarm event and significantly specify their spatial distribution and relations to the structural-geological features of the complex system of interacting faults. New data on the correlation between the source mechanism and the modern geodynamic setting in the southern part of Sakhalin were obtained. |
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| Keywords: | earthquake swarm seismic activation hypocenter active Aprelovskii fault Southern Sakhalin |
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