| Multifractal characteristics of spatiotemporal distribution of earthquakes in intraplate and interplate regions |
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| 作者姓名： | 陈时军 孙龙梅 马丽 |
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| 作者单位： | Earthquake Administration of Shandong Province Ji'nan 250014 China，Computer Department of China Women's College of Shandong Ji'nan 250014 China，Institute of Earthquake Science China Earthquake Administration Beijing 100036 China |
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| 基金项目： | Natural Science Foundation of Shandong Province (Y2002E01) and Joint Seismological Science Foundation of China (106085). |
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| 摘 要： | Introduction For a long time, the seismologists have paid great attentions to the research on the spatio- temporal distribution of earthquake intensity, which provide us with significant information for the researches on crustal stress variation, tectonic activity and earthquake risk prediction in a certain spatio-temporal region. The existing results have shown consistently that the intensity of earth- quakes is characterized by non-stability, non-linearity in temporal domain and non-uniformi…
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| 关 键 词： | 板块内地震 板块间地震 地震应力释放 时空分布 多维分形 |
| 文章编号： | 1000-9116（2007）01-0040-11 |
| 收稿时间： | 2006-03-06 |
| 修稿时间： | 2006-07-17 |
Multifractal characteristics of spatiotemporal distribution of earthquakes in intraplate and interplate regions |
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| Chen Shi-jun , Sun Long-mei and Ma Li.Multifractal characteristics of spatiotemporal distribution of earthquakes in intraplate and interplate regions[J].Acta Seismologica Sinica(English Edition),2007,20(1):40-50. |
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| Authors: | Chen Shi-jun Sun Long-mei and Ma Li |
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| Institution: | (1) Earthquake Administration of Shandong Province, Ji’nan, 250014, China;(2) Computer Department of China Women’s College of Shandong, Ji’nan, 250014, China;(3) Institute of Earthquake Science, China Earthquake Administration, Beijing, 100036, China |
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| Abstract: | This paper analyzes the multifractal characteristics of spatio-temporal distribution of generalized strain release of earthquakes (GSRE) occurred in the eastern and western Chinese mainland (as an instance of intraplate region), Taiwan region and New Zealand (as an instance of interplate region). The results show that the multifractal char- acteristics of GSRE are closely related to the geodynamic environment. For the temporal distribution of strong events, the clustering feature is more evident in the interplate regions than that in the intraplate regions, while for small and moderate events, this difference is ambiguous. For the spatial distribution of strong earthquakes, the clustering feature is usually clearer in the intraplate regions than that in the interplate regions, while for small and moderate events, the case is just opposite. |
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| Keywords: | generalized strain release of earthquakes multifractal intraplate earthquake interplate earthquake |
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