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Rigidity of rocks of an earthquake source region in the period of aftershock activity

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Abstract

Aftershock series of known strong earthquakes differ in duration and energetics. The study of geological properties of an earthquake source region is of interest in two aspects: (1) acquisition of constraints on the source development process and (2) detection of precursors of strong aftershocks. The latter are dangerous because they complete the process of damage of industrial and civil structures. Cases of aftershocks comparable in energy to the main event are known in seismological practice (the Tashkent, 1966, and Gazli, 1976, earthquakes). The seismic situation in Koryakia (2006) is very significant in this respect. The paper assesses the possibilities of rigidity monitoring for the study of the aftershock stage of the source development process with the use of earthquakes in California (the United States) as an example.

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References

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Authors and Affiliations

  1. Borok Geophysical Observatory (BGO), Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, Borok, Yaroslavl oblast, 152742, Russia

    V. P. Lykov & A. O. Mostryukov

Authors
  1. V. P. Lykov
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  2. A. O. Mostryukov
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Original Russian Text © V.P. Lykov, A.O. Mostryukov, 2008, published in Fizika Zemli, 2008, No. 7, pp. 28–33.

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Lykov, V.P., Mostryukov, A.O. Rigidity of rocks of an earthquake source region in the period of aftershock activity. Izv., Phys. Solid Earth 44, 543–547 (2008). https://doi.org/10.1134/S1069351308070045

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  • DOI: https://doi.org/10.1134/S1069351308070045

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