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Seismo-electromagnetic phenomena in the western part of the Eurasia-Nubia plate boundary

H. Silva,M. Bezzeghoud,P. Biagi,R. Rosa,M. Salgueiro,da Silva,B. Caldeira,A. H. Reis,J. Borges,M. Tlemçani,M. Manso

Published 2011 in Natural Hazards and Earth System Sciences

ABSTRACT

This paper presents a work that aims to moni- tor seismo-electromagnetic phenomena in the Western Part of the Eurasia-Nubia Plate Boundary. This region has a significant tectonic activity combined with relatively low electromagnetic noise levels, rendering high quality seismo- electromagnetic measurements possible. An overview of the seismicity of this region is presented and the research plan is discussed accordingly. grates the International Network for Frontier Research on Earthquake Precursors (INFREP). Details about this network are presented in other paper submitted to the same issue, and in this context it will not be restricted to WENP region. Furthermore, these measurements are expected to be com- plemented with the monitoring of the atmospheric electrical field and the radon levels, since these parameters can pro- vide crucial insights into the physics of SEM phenomenol- ogy, Smirnov (2008) and Harrison et al. (2010). With the development of this research plan it is aimed the collection of novel SEM data emerging from the seismic ac- tivity in the WENP region. We expect to address the time variations of the electromagnetic properties of the crust/plate with the strain field, and its relation with composition, tem- perature and stress fields. Moreover, the interplay between atmospheric (and solar) perturbations with crust perturba- tions will be monitored, to observe geomagnetic perturba- tions at different locations. In this paper, we describe the seismicity of the WENP re- gion, the micro-seismicity of the South of Portugal, and the SEM monitoring future research plan, together with a sum- mary of the expected results.

PUBLICATION RECORD

  • Publication year

    2011

  • Venue

    Natural Hazards and Earth System Sciences

  • Publication date

    2011-01-28

  • Fields of study

    Physics, Environmental Science, Geology

  • Identifiers
    DOI 10.5194/NHESS-11-241-2011
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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