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Izvestiya, Physics of the Solid Earth

, Volume 46, Issue 4, pp 327–338 | Cite as

The specific features of geophysical fields in the fault zones

  • A. A. Spivak
Article

Abstract

Instrumental measurements of geophysical fields in several regions of the Earth’s crust with a complex structure and tectonics are analyzed. The observed geophysical fields include the electric field in the boundary layer of the atmosphere and in the subsurface crust, the ground magnetic field, and the fields formed by microseismic vibrations and natural radon emanation. It is shown that the fault zones are characterized by noticeably higher (compared to the middle segments of crustal blocks) variations in the geophysical fields, a stronger response to the faint external impacts in the form of lunisolar tides, and baric variations in the atmosphere, as well as by higher intensity relaxation processes. Energy transformations between the geophysical fields of different origins are observed predominantly in the fault regions.

Key words

Earth’s crust blocks geophysical fields electric pulses relaxation 

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • A. A. Spivak
    • 1
  1. 1.Institute of Geosphere DynamicsRussian Academy of SciencesMoscowRussia

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