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| Titel |
Some possible correlations between electro-magnetic emission and seismic activity during West Bohemia 2008 earthquake swarm |
| VerfasserIn |
P. Kolář |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1869-9510
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| Digitales Dokument |
URL |
| Erschienen |
In: Solid Earth ; 1, no. 1 ; Nr. 1, no. 1 (2010-10-06), S.93-98 |
| Datensatznummer |
250000121
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| Publikation (Nr.) |
 copernicus.org/se-1-93-2010.pdf |
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| Zusammenfassung |
| A potential link between electromagnetic emission (EME) and seismic
activity (SA) has been the subject of scientific speculations for a
long time. EME versus SA relations obtained during the 2008
earthquake swarm which occurred in West Bohemia are presented.
First, a brief characterisation of the seismic region and then the
EME recording method and data analysis will be described. No simple
direct link between EME and SA intensity was observed, nevertheless
a deeper statistical analysis indicates: (i) slight increase of EME
activity in the time interval 60 to 30 min before a seismic event
with prevalent periods about 10 min, (ii) some gap in EME activity
approximately 2 h after the event, and (iii) again a flat maximum
about 4 h after the seismic events. These results qualitatively
correspond with the observations from other seismically active
regions (Fraser-Smith et al., 1990). The global decrease of EME activity
correlating with the swarm activity decay was also observed. Due to
the incomplete EME data and short observation time, these results
are limited in reliability and are indicative only. |
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