Universal Earthquake-Occurrence Jumps, Correlations with Time, and Anomalous Diffusion

Journal Article · Fri Oct 27 00:00:00 EDT 2006 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.97.178501· OSTI ID:20861049

Corral, Alvaro ^[1]

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1. Departament de Fisica, Facultat de Ciencies, Universitat Autonoma de Barcelona, E-08193 Bellaterra, Barcelona (Spain)

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.

• OSTI ID: 20861049
• Journal Information: Physical Review Letters, Vol. 97, Issue 17; Other Information: DOI: 10.1103/PhysRevLett.97.178501; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CALIFORNIA
CATALOGS
CORRELATIONS
EARTHQUAKES
SEISMICITY
SPATIAL DISTRIBUTION