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Velocity structure of the crust and upper mantle at the northern group of Kamchatka volcanoes (Based on the travel time of P-waves from volcanic earthquakes)

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Abstract

The results of a calculation of the P-wave (V P ) velocity fields are presented on the basis of the method of the reversible wave and the TAU parameter characterizing the V P /V S ratio of seismic waves from the local volcanic earthquakes that occurred at the northern group of Kamchatka volcanoes in 2005–2007. The 3D velocity cross sections were constructed along the SW-NE-trending volcanic group from the Ploskii Tolbachik volcano in the southwest up to the Shiveluch volcano in the northeast. The change of velocity field in time and depth is found. The problems of relating these changes to volcanic activity is reviewed.

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Authors and Affiliations

  1. Schmidt Institute of Physics of the Earth, Moscow, Russia

    L. B. Slavina & N. B. Pivovarova

  2. Kamchatka Branch of Geophysical Survey, Russian Academy of Sciences, Petropavlovsk-Kamchatskii, Russia

    S. L. Senyukov

Authors
  1. L. B. Slavina
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  2. N. B. Pivovarova
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  3. S. L. Senyukov
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Correspondence to L. B. Slavina.

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Original Russian Text © L.B. Slavina, N.B. Pivovarova, S.L. Senyukov, 2011, published in Geofizicheskie Protsessy i Biosfera, 2011, No. 3, pp. 38–50.

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Slavina, L.B., Pivovarova, N.B. & Senyukov, S.L. Velocity structure of the crust and upper mantle at the northern group of Kamchatka volcanoes (Based on the travel time of P-waves from volcanic earthquakes). Izv. Atmos. Ocean. Phys. 48, 696–705 (2012). https://doi.org/10.1134/S0001433812070080

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  • DOI: https://doi.org/10.1134/S0001433812070080

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