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http://hdl.handle.net/2122/1221| Authors: | Kopytenko, Y.* Ismagilov, V.* Hayakawa, M.* Smirnova, N.* Troyan, V.* Peterson, T.* |
Title: | Investigation of the ULFelectromagnetic phenomena related toearthquakes: contemporary achievementsand the perspectives | Issue Date: | Apr-2001 | Series/Report no.: | 44/2 | URI: | http://hdl.handle.net/2122/1221 | Keywords: | Earthquake precursor ULF emission fractal analysis self-organizer criticality geophysical tomography |
Subject Classification: | 04. Solid Earth::04.02. Exploration geophysics::04.02.04. Magnetic and electrical methods 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy |
Abstract: | The results of ULF electromagnetic signal observations in seismoactive regions prior to earthquakes are presented and discussed. The new differential measurement technique developed in SPbF IZMIRAN for location of the ULF emission sources of space and lithosphere origin is described. The MVC-2DS geophysical instrumentation is introduced as a promising tool for registration of ULF signals related to earthquakes (both seismic and electromagnetic ones). Methods are proposed for ULF data processing to investigate the preparation processes in the earthquake source regions and to distinguish seismogenic signals on the background of space pulsations. Some examples of application of those methods for study of the earthquake precursory signatures are presented. Perspectives of seismo-electromagnetic tomography experiments in seismoactive regions, using MVC-2DS technique, are discussed in relation to the development of earthquake prediction methods. |
| Appears in Collections: | Annals of Geophysics |
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