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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| Authors: | Zhang Xiao-dong Zhang Yong-xian Lü Mei-mei and Yu Su-rong |
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| Institution: | (1) Center for Analysis and Prediction, China Seismological Bureau, 100036 Beijing, China |
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| Abstract: | In the paper, the feature of strong earthquake orderly distribution in time, space and intensity before the Western Kunlun
Mountain Pass M=8.1 earthquake is preliminarily studied. The modulation and triggering factors such as the earth rotation, earth tides are
analyzed. The results show that: the giant earthquakes with the magnitude more than 8 occurred about every 24 years and the
earthquakes with the magnitude more than 7 about every 7 years in Chinese mainland. The Western Kunlun Mountain M=8.1 earthquake exactly occurred at the expected time; The spatial 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 conditions for earthquake generation and occurrence are also discussed.
Foundation item: State Key Project of Science and Technology of China (2001BA601B01) and State 863 Plan of China. |
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| Keywords: | giant earthquake time space and intensity in order feature |
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