On the mechanism of seismo-electromagnetic phenomena and their possible role in the electromagnetic radiation during periods of earthquakes, foreshocks and aftershocks

Details On the mechanism of seismo-electromagnetic phenomena and their possible role in the electromagnetic radiation during periods of earthquakes, foreshocks and aftershocks On the mechanism of seismo-electromagnetic phenomena and their possible role in the electromagnetic radiation during periods of earthquakes, foreshocks and aftershocks

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pepi...57..169k&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 57, Issue 1-2, p. 169-177.

Physics

10

Scientific paper

We describe generation of low- and radio-frequency electromagnetic radiation (EMR) by seismic waves of pressure applied to a neutral nonpiezoelectrical medium. The EMR is induced during the process of ionic crystal fracture and formation of a mosaic of fluctuation charges on the opposite sides of the cracks, the formation and oscillation of charged dislocations and the vibrations of very small conducting or magnetized particles in dielectrics with fluctuating charges proportional to their radius and temperature. The most interesting source of EMR emission is the process of formation and oscillation of double electric layers (DEL). The DEL can be modelled as a system of capacitors or electric dipoles. The variation of their parameters by external pressure, by changes of water content, etc., leads directly to the EMR emission. As DELs are widespread in rocks, they can make an essential contribution to the EMR. DEL oscillation induced by tectonic processes is probably the main contribution.

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