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全球及各地震区带强震活动周期特征

DOI: 10.6038/cjg20130609, PP. 1868-1876

Keywords: 全球及地震区带地震活动,地震活动周期特征,小波分析,显著性检验

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Abstract:

基于地震活动周期谱的Morlet小波分析,确定了全球和13个地震区带的强震活动周期及其置信度.结果显示全球地震活动存在着多个显著稳定的活动周期,而各地震区带除了存在着与全球整体地震活动基本一致的周期外,还存在着特有的活动周期成分.本文研究为探讨全球及区域强震活动趋势及其动力源提供了基础数据.

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