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Statistical properties of earthquakes clustering (Articolo in rivista)

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Statistical properties of earthquakes clustering (Articolo in rivista) (literal)

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Vecchio, A; Carbone, V; Sorriso-Valvo, L; De Rose, C; Guerra, I; Harabaglia, P (2008)
Statistical properties of earthquakes clustering
in Nonlinear processes in geophysics
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Vecchio, A; Carbone, V; Sorriso-Valvo, L; De Rose, C; Guerra, I; Harabaglia, P (literal)

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\"[Vecchio, A.; Carbone, V.; De Rose, C.; Guerra, I.] Univ Calabria, Dipartmento Fis, I-87036 Arcavacata Di Rende, CS, Italy; [Sorriso-Valvo, L.] INFM, CNR, LICRYL, I-87036 Arcavacata Di Rende, CS, Italy; [Harabaglia, P.] Univ Basilicata, Dipartimento Strutture, Geotecn & Geol Applicata Ingn, I-85100 Potenza, Italy (literal)

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Often in nature the temporal distribution of inhomogeneous stochastic point processes can be modeled as a realization of renewal Poisson processes with a variable rate. Here we investigate one of the classical examples, namely, the temporal distribution of earthquakes. We show that this process strongly departs from a Poisson statistics for both catalogue and sequence data sets. This indicate the presence of correlations in the system probably related to the stressing perturbation characterizing the seismicity in the area under analysis. As shown by this analysis, the catalogues, at variance with sequences, show common statistical properties. (literal)

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