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| Titel |
Time-clustering analysis of the 1978–2008 sub-crustal seismicity of Vrancea region |
| VerfasserIn |
L. Telesca, V. Alcaz, R. Burtiev, I. Sandu |
| 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. 8 ; Nr. 11, no. 8 (2011-08-26), S.2335-2340 |
| Datensatznummer |
250009631
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| Publikation (Nr.) |
 copernicus.org/nhess-11-2335-2011.pdf |
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| Zusammenfassung |
| The analysis of time-clustering behaviour of the sub-crustal seismicity
(depth larger than 60 km) of the Vrancea region has been performed. The time span of
the analyzed catalogue is from 1978 to 2008, and only the events with a
magnitude of Mw ≥ 3 have been considered. The analysis, carried out on the
full and aftershock-depleted catalogues, was performed using the Allan
Factor (AF) that allows the identificatiion and quantification of correlated temporal
structures in temporal point processes. Our results, whose significance was
analysed by means of two methods of generation of surrogate series, reveal
the presence of time-clustering behaviour in the temporal distribution of
seismicity data of the full catalogue. The analysis performed on the
aftershock-depleted catalogue indicates that the time-clustering is
associated mainly to the aftershocks generated by the two largest events
occurred on 30 August 1986 (Mw = 7.1) and 30 May 1990 (Mw = 6.9). |
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