detection of electromagnetic anomalies of three earthquakes in mexico with an improved statistical method

Clicks: 171
ID: 139339
2011
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Abstract
A method for detecting seismomagnetic signals is presented. This work presents evidence of geomagnetic perturbations associated with three earthquakes (EQs) that occurred in Mexico within a distance of &rho; = (1.8) 10<sup>0.45M</sup>, where M is the magnitude of the EQ, during the year 2010. An improved statistical analysis in relation with the polarization analysis (as the ratio of vertical magnetic field component to the horizontal one) has been developed. The variation index (S<sub>4</sub>) shows important differences one day before and one day after the EQs (magnitudes considered are from 6 to 7.2).
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Authors ;O. Chavez;R. Pérez-Enríquez;J. A. Cruz-Abeyro;J. R. Millan-Almaraz;A. Kotsarenko;E. Rojas
Journal anziam journal
Year 2011
DOI
10.5194/nhess-11-2021-2011
URL
http://www.nat-hazards-earth-syst-sci.net/11/2021/2011/nhess-11-2021-2011.pdf
Keywords
anthropology recreationenvironmental sciencesgeology sanitary engineeringgeography environmental technology

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