Scale-free statistics of time interval between successive earthquakes

被引：115

作者：

Abe, S ^{[1
]}

Suzuki, N

机构：

[1] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan

[2] Nihon Univ, Coll Sci & Technol, Chiba 2748510, Japan

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2005年 / 350卷 / 2-4期

基金：

日本学术振兴会;

关键词：

earthquakes; calm time; Zipf-Mandelbrot law; Tsallis entropy;

D O I：

10.1016/j.physa.2004.10.040

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The statistical property of the calm times, i.e., time intervals between successive earthquakes with arbitrary values of magnitude, is studied by analyzing the seismic time series data in California and Japan. It is found that the calm times obey the Zipf-Mandelbrot power law, exhibiting a new scale-free nature of the earthquake phenomenon. Dependence of the exponent of the power-law distribution on threshold for magnitude is examined. As threshold increases, the tail of the distribution tends to become longer, showing difficulty in statistically estimating time intervals of earthquakes. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：588 / 596

页数：9

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