FRACTAL PROPERTIES OF MEDIUM AND SEISMOELECTRIC PHENOMENA
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dc.contributor.author | Surkov V.V. | |
dc.contributor.author | Uyeda S. | |
dc.contributor.author | Tanaka H. | |
dc.contributor.author | Hayakawa M. | |
dc.date.accessioned | 2021-05-22T12:11:18Z | |
dc.date.available | 2021-05-22T12:11:18Z | |
dc.date.issued | 2002 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=13398733 | |
dc.identifier.citation | Journal of Geodynamics, 2002, 33, 4-5, 477-487 | |
dc.identifier.issn | 0264-3707 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/28567 | |
dc.description.abstract | Electrokinetic phenomena in a water-porous medium with a fractal structure above percolation threshold are theoretically investigated. Fracture zone with space-variable porosity is considered as a model of an earthquake hypocenter zone in which the electrokinetic current results from fluid filtration in a fractal pore network. A critical exponent of the streaming potential coefficient is found to depend on both the transport critical exponent and correlation length critical exponent. In this model, logarithmic dependence of electric field amplitude E on the earthquake magnitude M is derived which is compatible with the one observed by the VAN group. Without fractal properties, this form of dependence contradicts the empirical data. The electromagnetic field far from the hypocenter is calculated, which leads to the prediction of weak magnetic field variations. To explain the observed amplitude of VAN's Seismic Electric Signals (SES), the electric source must be at a distance of about 10 km from the registration point if the medium is homogeneous. Therefore, some conductive channel(s) are needed to explain the long distance selective SES transmission. | |
dc.title | FRACTAL PROPERTIES OF MEDIUM AND SEISMOELECTRIC PHENOMENA | |
dc.type | Статья |
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