| Discussion on the feature of strong earthquake: Orderly distribution in time, space and intensity before the Western Kunlun Mountain Pass M=8.1 earthquake |
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| 引用本文： | 张晓东,张永仙,吕梅梅,余素荣. Discussion on the feature of strong earthquake: Orderly distribution in time, space and intensity before the Western Kunlun Mountain Pass M=8.1 earthquake[J]. 地震学报(英文版), 2003, 16(6) |
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| 作者姓名： | 张晓东 张永仙 吕梅梅 余素荣 |
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| 作者单位： | Center for Analysis and Prediction，China Seismological Bureau，Beijing 100036，China，Center for Analysis and Prediction，China Seismological Bureau，Beijing 100036，China，Center for Analysis and Prediction，China Seismological Bureau，Beijing 100036，China，Center for Analysis and Prediction，China Seismological Bureau，Beijing 100036，China |
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| 基金项目： | State Key Project of Science and Technology of China (2001BA601B01) and State 863 Plan of China. |
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| 摘 要： | Introduction The Western Kunlun Mountain Pass M=8.1 earthquake occurred on November 14, 2001 is the other M=8 earthquake occurred 50 years after Dangxiong, Tibet M=8.0 earthquake in Chinese mainland. The earthquake has caused the attention of the seismologists in the following aspects: 1) The fracture length is more than 400 km, which is far away from the estimated length by the statistic empirical function between the magnitude and the fracture length (WANG, et al, 2002); 2) The aftersh…
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Discussion on the feature of strong earthquake: Orderly distribution in time, space and intensity before the Western Kunlun Mountain Pass M=8.1 earthquake |
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| ZHANG Xiao-dong ZHANG Yong-xian L?Mei-mei YU Su-rong Center for Analysis and Prediction,China Seismological Bureau,Beijing ,China. Discussion on the feature of strong earthquake: Orderly distribution in time, space and intensity before the Western Kunlun Mountain Pass M=8.1 earthquake[J]. Acta Seismologica Sinica(English Edition), 2003, 16(6) |
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| Authors: | ZHANG Xiao-dong ZHANG Yong-xian L?Mei-mei YU Su-rong Center for Analysis Prediction China Seismological Bureau Beijing China |
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| Affiliation: | Center for Analysis and Prediction, China Seismological Bureau, Beijing 100036, China |
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| Abstract: | In the paper, the feature of strong earthquake orderly distribution in time, space and intensity before the WesternKunlun Mountain Pass M=8.1 earthquake is preliminarily studied. The modulation and triggering factors such asthe earth rotation, earth tides are analyzed. The results show that: the giant earthquakes with the magnitude morethan 8 occurred about every 24 years and the earthquakes with the magnitude more than 7 about every 7 years inChinese mainland. The Western Kunlun Mountain M=8.1 earthquake exactly occurred at the expected time; Thespatial distance show approximately the same distances between each two swarms. The earth rotation, earth tide,sun tide and sun magnetic field have played a role of modulation and triggering in the intensity. At last, the condi-tions for earthquake generation and occurrence are also discussed. |
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| Keywords: | giant earthquake time space and intensity in order feature |
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