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Recent geodynamics of the Kuril subduction zone

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Abstract

The collected GPS/GLONASS data allow us to reveal new information on the recent geodynamics of the Kuril Island arc. The maximum deformation stress accumulates in the southern and northern parts of the study area, while a long fading transition process of postseismic motions is observed in the central segment of the Kuril arc as a result of the 2006–2007 great Simushir earthquakes of M w = 8.3 and M w = 8.1. We have succeeded in revealing the recent interplate coupling geometry of the Pacific and the North American lithospheric plates and also in estimating the seismic potential of different segments of the Kuril subduction zone.

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Authors and Affiliations

  1. Institute of Marine Geology and Geophysics, Far East Branch, Russian Academy of Sciences, ul. Nauki 1B, Yuzhno-Sakhalinsk, 693022, Russia

    A. S. Prytkov & N. F. Vasilenko

  2. Ioffe Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, Saint Petersburg, 194021, Russia

    D. I. Frolov

Authors
  1. A. S. Prytkov
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  2. N. F. Vasilenko
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  3. D. I. Frolov
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Correspondence to A. S. Prytkov.

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Original Russian Text © A.S. Prytkov, N.F. Vasilenko, D.I. Frolov, 2017, published in Tikhookeanskaya Geologiya, 2017, Vol. 36, No. 1, pp. 21–26.

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Prytkov, A.S., Vasilenko, N.F. & Frolov, D.I. Recent geodynamics of the Kuril subduction zone. Russ. J. of Pac. Geol. 11, 19–24 (2017). https://doi.org/10.1134/S1819714017010067

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  • DOI: https://doi.org/10.1134/S1819714017010067

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