余震序列中连续地震时间分布的标度分析

IF 2 4区地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS

Acta Geophysica Pub Date : 2016-12-02 DOI:10.1515/acgeo-2016-0037

Elisaveta Marekova

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引用次数: 0

摘要

利用不同的近期余震序列目录，研究了地震事件间时间分布。对于遵循修正大森公式(MOF)的余震序列，似乎很明显，事件间分布是幂律。定义了该规律的参数，并证明其高于计算值(2-1 /p)。通过对星表的分析，确定当数据以瞬时强度R(t;m)，由MOF定义。这条曲线近似为伽马分布。数据的崩溃提供了余震发生自相似性的清晰视图。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Scaling Analysis of Time Distribution between Successive Earthquakes in Aftershock Sequences

The earthquake inter-event time distribution is studied, using catalogs for different recent aftershock sequences. For aftershock sequences following the Modified Omori’s Formula (MOF) it seems clear that the inter-event distribution is a power law. The parameters of this law are defined and they prove to be higher than the calculated value (2–1/p). Based on the analysis of the catalogs, it is determined that the probability densities of the inter-event time distribution collapse into a single master curve when the data is rescaled with instantaneous intensity, R(t; Mth), defined by MOF. The curve is approximated by a gamma distribution. The collapse of the data provides a clear view of aftershock-occurrence self-similarity.

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来源期刊

Acta Geophysica 地学-地球化学与地球物理

CiteScore

3.90

自引率

13.00%

发文量

251

审稿时长

5.3 months

期刊介绍： Acta Geophysica is open to all kinds of manuscripts including research and review articles, short communications, comments to published papers, letters to the Editor as well as book reviews. Some of the issues are fully devoted to particular topics; we do encourage proposals for such topical issues. We accept submissions from scientists world-wide, offering high scientific and editorial standard and comprehensive treatment of the discussed topics.