Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/8671
DC Field | Value | Language |
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dc.contributor.authorall | Dudkin, F.; Lviv Centre of Institute for Space Research, Ukraine | en |
dc.contributor.authorall | Korepanov, V.; Lviv Centre of Institute for Space Research, Ukraine | en |
dc.contributor.authorall | Hayakawa, M.; University of Electro-Communications, Japan | en |
dc.contributor.authorall | De Santis, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.date.accessioned | 2013-04-23T13:39:03Z | en |
dc.date.available | 2013-04-23T13:39:03Z | en |
dc.date.issued | 2013-01 | en |
dc.identifier.isbn | 978-960-89704-1-0 | en |
dc.identifier.uri | http://hdl.handle.net/2122/8671 | en |
dc.description.abstract | Few days before many earthquakes a general change in the ratio of vertical to horizontal magnetic field components in the ULF band, often called “polarization”, has been observed that can be considered as a magnetic precursor of the subsequent earthquake. To explain such a specific behavior, we propose a simple model based on a linear current approximation depending on some assumption on the signal to noise ratio. This model is confirmed through a comparison that has been carried out between the experimental magnetic field data at Matsushiro (Japan, 1998.06.30, M=4.7) and Simeiz (Crimea, Ukraine, 1998.10.16, M=4.3 and 1998.10.18, M=4.3) earthquakes. About 1 – 2 days before these events we had recorded the anomalous decrease of the ratio of vertical to horizontal magnetic field components in Pc4 – Pc3 band. The NE-SW direction of the corresponding current linear model well agrees with the main tectonic feature of both seismogenic events. Additionally we also estimate the signal to noise ratio limits for the detection of ULF magnetic field components in Corralitos and Stanford campus for Loma Prieta (MS 7.1, 1989) earthquake. | en |
dc.language.iso | English | en |
dc.subject | electromagnetism | en |
dc.subject | seismic forecasting | en |
dc.subject | seismic source model | en |
dc.title | Possible model of electromagnetic signals before earthquakes | en |
dc.type | book chapter | en |
dc.description.status | Published | en |
dc.description.pagenumber | 159-170 | en |
dc.subject.INGV | 04. Solid Earth::04.02. Exploration geophysics::04.02.04. Magnetic and electrical methods | en |
dc.subject.INGV | 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics | en |
dc.description.obiettivoSpecifico | 1.8. Osservazioni di geofisica ambientale | en |
dc.description.obiettivoSpecifico | 2.6. TTC - Laboratorio di gravimetria, magnetismo ed elettromagnetismo in aree attive | en |
dc.description.obiettivoSpecifico | 3.1. Fisica dei terremoti | en |
dc.description.fulltext | restricted | en |
dc.contributor.author | Dudkin, F. | en |
dc.contributor.author | Korepanov, V. | en |
dc.contributor.author | Hayakawa, M. | en |
dc.contributor.author | De Santis, A. | en |
dc.contributor.department | Lviv Centre of Institute for Space Research, Ukraine | en |
dc.contributor.department | Lviv Centre of Institute for Space Research, Ukraine | en |
dc.contributor.department | University of Electro-Communications, Japan | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
item.openairetype | book chapter | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Lviv Centre of Institute for Space Research, Ukraine | - |
crisitem.author.dept | Lviv Centre of Institute for Space Research, Ukraine | - |
crisitem.author.dept | Department of Electronic Engineering, The University of Electro-Communications, Chofu, Tokyo, Japan | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.orcid | 0000-0002-3941-656X | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Book chapters |
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2.04_Dudkin.pdf | 486.29 kB | Adobe PDF |
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