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A fractal approach to the clustering of earthquakes : applications to the seismicity of the New Hebrides

Smalley R.F. Jr, Chatelain Jean-Luc, Turcotte D.L., Prévot Richard. 1987. .
A fractal approach to the clustering of earthquakes : applications to the seismicity of the New Hebrides
ARTICLE, (1987 ) - PUBLISHEDVERSION - English (en-GB)

OPENACCESS - .
Audience : RESEARCHERS

Sujet
TRAITEMENT DE DONNEES, ETUDE REGIONALE, METHODE, SEISME, EPICENTRE
Domaines
Géologie
Description

The concept of fractals provides a means of testing whether clustering in time or space is a scale-invariant process. If the fraction x of the intervals of length T containing earthquakes is related to the time interval by x ~ ד1-D then fractal clustering is occurring with fractal dimension D (0 < D < 1). We have analyzed a catalog of earthquakes from the New Hebrides for the occurrence of temporal clusters that exhibit fractal behavior. Our studies have considered four distinct regions. The number of earthquakes considered in each region varies from 44 to 1,330. In all cases, significant deviations from random or Poisson behavior are found. The fractal dimensions found vary from 0.126 to 0.255. Our method introduces a new means of quantifying the clustering of earthquakes.

Mots-clés
Langue
English (en-GB)
Auteurs
Smalley R.F. Jr, Chatelain Jean-Luc, Turcotte D.L., Prévot Richard
Contributeurs
Sources
Bulletin of the Seismological Society of America, 1987, 77 (4), p. 1368-1381.
Couverture
VANUATU, PACIFIQUE TROPICAL OUEST
Nom du journal