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Universal earthquake-ocurrence jumps, correlations with time, and anomalous diffusion
Corral Cano, Alvaro (Universitat Autònoma de Barcelona. Departament de Física)
American Physical Society

Data: 2006
Resum: Spatiotemporal properties of seismicity are investigated for a worldwide (WW) catalog and for southern California in the stationary case (SC), showing a nearly universal scaling behavior. Distributions of distances between consecutive earthquakes (jumps) are magnitude independent and show two power-law regimes, separated by jump values about 200 (WW) and 15 km (SC). Distributions of waiting times conditioned to the value of jumps show that both variables are correlated, in general, but turn out to be independent when only short or long jumps are considered. Finally, diffusion profiles are found to be independent on the magnitude, contrary to what the waiting-time distributions suggest.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: Article ; Versió publicada
Publicat a: Physical review letters, Vol. 97, Issue 17 (October 2006) , p. 178501, ISSN 1079-7114

DOI: 10.1103/PhysRevLett.97.178501

4 p, 258.1 KB

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