| Distribution of slip along an earthquake fault |
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| 作者姓名： | 吴忠良 |
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| 作者单位： | College of |
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| 基金项目： | NationalSeismologicalFoundationofChina(40274013). |
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| 摘 要： | IntroductionInearthquakeandengineeringseismology,fortheexplanationofthehigh-frequencycontentsinearthquakegroundmotion,itisoftenassumedthatalargeearthquakeiscomposedofmanysmallereventswithavarietyofsizes(Frankel,1991).Thesesmalleventscomefromtheruptureoftheasperitiesalongtheearthquakefault,showingthecharacteristicsoffractals(Aki,1981).Thisworkingassumptioncanexplainsomeoftheimportantpropertiesofseismicsourcesuchasthehigh-frequencyfall-offofsourcespectra.Ontheotherhand,however,beinglimitedbyobs…
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| 收稿时间： | 21 April 2003 |
| 修稿时间： | 29 July 2003 |
Distribution of slip along an earthquake fault |
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| Wu Zhong-liang.Distribution of slip along an earthquake fault[J].Acta Seismologica Sinica(English Edition),2004,17(5):542-548. |
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| Authors: | Wu Zhong-liang |
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| Institution: | College of Earth Science,Graduate School of Chinese Academy of Science,Beijing,100039,China;Institute of Geophysics,China Earthquake Administration,Beijing,100081,China |
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| Abstract: | Slip distribution of the 1979 Imperial Valley, 1989 Loma Prieta, 1992 Landers, 1994 Northridge, and 1995 Kobe earthquake shows a piece-wise Gutenberg-Richters law. For small slips, the b-value is near to 1; while for large slips, the b-value is larger than 1. |
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| Keywords: | earthquake slip Gutenberg-Richters law b-value |
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