期刊
PHYSICAL REVIEW LETTERS
卷 102, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.168501
关键词
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资金
- UK Engineering and Physical Sciences Research Council [GR/T11753/01]
- Engineering and Physical Sciences Research Council [GR/T11753/01] Funding Source: researchfish
Many authors have modeled regional earthquake interevent times using a gamma distribution, whereby data collapse occurs under a simple rescaling of the data from different regions or time periods. We show, using earthquake data and simulations, that the distribution is fundamentally a bimodal mixture distribution dominated by correlated aftershocks at short waiting times and independent events at longer times. The much-discussed power-law segment often arises as a crossover between these two. We explain the variation of the distribution with region size and show that it is not universal.
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