The Weibull-log Weibull transition of interoccurrence time for synthetic and natural earthquakes

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题名:	The Weibull-log Weibull transition of interoccurrence time for synthetic and natural earthquakes
作者:	Hasumi,T;Chen,CC;Akimoto,T;Aizawa,Y
贡献者:	地球科學系
关键词:	BURRIDGE-KNOPOFF MODEL;SUCCESSIVE EARTHQUAKES;RECURRENCE;STATISTICS;INTERVAL;FAULT;ROCK;AREA
日期:	2010
上传时间:	2012-03-27 17:36:41 (UTC+8)
出版者:	國立中央大學
摘要:	We study the interoccurrence time distributions of events by analyzing synthetic catalogues and three natural catalogues of the Japan Meteorological Agency (JMA), the Southern California Earthquake Data Center (SCEDC) and the Taiwan Central Weather Bureau (TCWB). We find a universal feature, i.e. the Weibull-log Weibull transition, in the interoccurrence time statistics. This transition demonstrates that the interoccurrence time statistics of earthquakes possess the hybrid Weibull and log Weibull statistics. We further find that the crossover magnitude m(c) from the superposition regime to the pure Weibull regime is averagely proportional to the plate velocity. In the end of this paper we summarize a region-independent relation, i.e. m(c)/m(max)=0.54 +/- 0.06, which represents a novel empirical relation related to the Weibull-log Weibull transition for earthquake processes. (C) 2009 Elsevier B.V. All rights reserved.
關聯:	TECTONOPHYSICS
显示于类别:	[地球科學學系] 期刊論文

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