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| Titel |
Analyzing the temporal fluctuations of the reservoir-triggered seismicity observed at Açu (Brazil) |
| VerfasserIn |
L. Telesca, A. F. do Nascimento, F. H. R. Bezerra, J. M. Ferreira |
| 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 ; 12, no. 3 ; Nr. 12, no. 3 (2012-03-28), S.805-811 |
| Datensatznummer |
250010621
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| Publikation (Nr.) |
 copernicus.org/nhess-12-805-2012.pdf |
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| Zusammenfassung |
| The time dynamics of the reservoir-induced seismicity observed in Açu
area (Brazil) from November 1994 to April 1997 reveals a super-Poissonian
behaviour in the direction of a clustering process, where the occurrence of
an earthquake increases the likelihood of the occurrence of a subsequent
one. The seismicity shows strong correlation for time scales larger than
approximately 1 day up to about four months, being characterized by
Poissonian behavior for timescales smaller than 1 day. Processes of
formation of fractures in the anisotropic and heterogeneous rockmass, along
with pore pressure diffusion driven processes, are hypothesized as physical
mechanisms for the appearance of Poissonian and clusterized dynamics
respectively. |
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