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Modeling of coseismic crustal movements initiated by the May 24, 2013, M w = 8.3 Okhotsk deep focus earthquake |
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| Authors: | N V Shestakov M Ohzono H Takahashi M D Gerasimenko V G Bykov E I Gordeev V N Chebrov N N Titkov S S Serovetnikov N F Vasilenko A S Prytkov A A Sorokin M A Serov M N Kondratyev V V Pupatenko |
| Institution: | 1. Institute for Applied Mathematics of the Far Eastern Branch of the Russian Academy of Sciences, ul. Radio 7, Vladivostok, 690041, Russia 2. Far Eastern Federal University, 12-8 Ajax, FEFU Campus, Russky Island, Vladivostok, 690922, Russia 3. Yamagata University, 1-4-12 Kojirakawa-machi, Yamagata, 990-8560, Japan 4. Institute of Seismology and Volcanology, Hokkaido University, N10 W8 Kita-Ku, Sapporo, Hokkaido, 060-0810, Japan 5. Institute of Tectonics and Geophysics of the Far Eastern Branch of the Russian Academy of Sciences, ul. Kim Yu Chen 65, Khabarovsk, 680000, Russia 6. Institute of Volcanology and Seismology of the Far Eastern Branch of the Russian Academy of Sciences, 9 Piip Ave., Petropavlovsk-Kamchatsky, 683006, Russia 7. Kamchatka Branch of the Geophysical Survey of the Russian Academy of Sciences, 9 Piip Ave., Petropavlovsk-Kamchatsky, 683006, Russia 8. Institute of Marine Geology and Geophysics of the Far Eastern Branch of the Russian Academy of Sciences, ul. Nauki 1b, Yuzhno-Sakhalinsk, 693022, Russia 9. Computing Center of the Far Eastern Branch of the Russian Academy of Sciences, ul. Kim Yu Chen 65, Khabarovsk, 680000, Russia 10. Institute of Geology and Nature Management of the Far Eastern Branch of the Russian Academy of Sciences, per. Relochnyi 1, Blagoveschensk, 675000, Russia 11. North-Eastern Interdisciplinary Research Institute of the Far Eastern Branch of the Russian Academy of Sciences, ul. Portovaya 16, Magadan, 685017, Russia |
| Abstract: | The Okhotsk deep focus earthquake (M w = 8.3), the largest in the history of instrumental seismology, occurred on May 24, 2013, at 05:45 UTC in the Sea of Okhotsk near the western coast of the Kamchatka Peninsula. For the first time we have succeeded in catching the field of horizontal and vertical coseismic offsets generated by a strong deep seismic event, and investigating its characteristics using continuous GPS measurements. Based on these data and taking into account the seismological information, we have developed a dislocation model of the Okhotsk deep focus earthquake. |
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