Universal local versus unified global scaling laws in the statistics of seismicity

被引：86

作者：

Corral, A ^{[1
]}

机构：

[1] Univ Autonoma Barcelona, Fac Ciencies, Dept Fis, E-08193 Barcelona, Spain

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2004年 / 340卷 / 04期

关键词：

statistical seismology; marked point processes; complex systems;

D O I：

10.1016/j.physa.2004.05.010

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The unified scaling law for earthquakes, proposed by Bak, Christensen, Danon and Scanlon, is shown to hold worldwide, as well as for areas as diverse as Japan, New Zealand, Spain or New Madrid. The scaling functions that account for the rescaled recurrence-time probability densities show a power-law behavior for long times, with a universal exponent about (minus) 2.2. Another decreasing power law governs short times, but with an exponent that may change from one area to another. This is in contrast with a local, time-homogenized version of Bak et al.'s procedure, which seems to present a universal scaling behavior. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：590 / 597

页数：8

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