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Atmospheric electrical field decrease during the M=4.1 Sousel earthquake (Portugal)

delete2011-03-28
delete16
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OA
AI
H
Hugo Silva *
M
Mourad Bezzeghoud
A
A. Heitor Reis
R
Rui Rosa
M
Mouhaydine Tlemçani
A
Alexandre Araújo
C
Cláudia Serrano
J
José Fernando Borges
B
Bento Caldeira
P
P. F. Biagi
DOI：10.5194/nhess-11-987-2011delete
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Abstract

Abstract

En 中文
In this paper, we report the observation of a significant decrease of the vertical component of the atmospheric electrical field in the Evora 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.
Keywords:
VARIABILITY
RADIATION

Journal

N
Natural Hazards and Earth System Sciences
IF:
4.7
Papers:
4.5K
Citations:
1.4W

Organization

U
University of Evora
Scholars:
2.6K
Papers: 2.2K
Citations: 2.6K
U
universita degli studi di bari aldo moro
Scholars:
2.1W
Papers: 1.6W
Citations: 9
Cited Papers

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No cited papers available