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| Titel |
Atmospheric electrical field decrease during the M = 4.1 Sousel earthquake (Portugal) |
| VerfasserIn |
H. G. Silva, M. Bezzeghoud, A. H. Reis, R. N. Rosa, M. Tlemçani, A. A. Araújo, C. Serrano, J. F. Borges, B. Caldeira, P. F. Biagi |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 11, no. 3 ; Nr. 11, no. 3 (2011-03-28), S.987-991 |
| Datensatznummer |
250009278
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| Publikation (Nr.) |
 copernicus.org/nhess-11-987-2011.pdf |
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| Zusammenfassung |
| In this paper, we report the observation of a significant decrease of the
vertical component of the atmospheric electrical field in the Évora
region (Portugal) during the M = 4.1 Sousel
earthquake of 27 March 2010. The epicentre of the earthquake was 52 km from
the observation site, which falls within the theoretical earthquake
preparation radius. A simple interpretation based on hypothetical radon
emissions is presented, and future experiments required to elucidate these
observations are outlined. To our knowledge, this is the first reported
observation of a decrease of the atmospheric electrical field preceding an
earthquake. |
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