Electromechanical effects associated with earthquakes |
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Authors: | Renata Dmowska Andrzej Hanyga Roman Teisseyre |
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Institution: | (1) Institute of Geophysics, Polish Academy of Sciences, Pasteura 3, 0O-973 Warsaw, (Poland) |
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Abstract: | Summary A theoretical model of an electroelastic continuum has been applied in this paper to the problem of electrodynamic phenomena (piezoelectricity, electrostriction, etc.) associated with earthquakes. In such a model the coupling between electric and mechanical fields expresses itself by a change of scale of mechanical effects along the electric field, as well as by the additional electric charge created by the earthquake source.The electrokinetic phenomena associated with earthquakes and caused by the diffusion of fluids into the dilatant region have been considered using the theory of porous media with interstitial fluid flow. General relations describing electrokinetic effects caused by the deformation processes in an earthquake source have been obtained. |
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Keywords: | Electromechanical effects in earthquakes Earthquake focus Electromechanical effects |
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