| The coda attenuation of the Yao'an area in Yunnan Province |
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| 作者姓名： | 李白基 秦嘉政 钱晓东 叶建庆 |
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| 作者单位： | Seismological Bureau of Yunnan Province，China Seismological Bureau，Seismological Bureau of Yunnan Province，China Seismological Bureau，Seismological Bureau of Yunnan Province，China Seismological Bureau，Seismological Bureau of Yunnan Province，China Seismological Bureau Kunming 650041，China，Kunming 650041，China，Kunming 650041，China，Kunming 650041，China |
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| 基金项目： | The Key Science and Technology Project of Yunnan Province during the 10th 5-year Plan (2001NG46). |
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| 摘 要： | IntroductionThetravellingqualityfactorQofseismicwaveisoneofbasicphysicalparametersformeasuringthemediaattenuation(1/Q)intheearthandreflectionofinhomogeneityandinelasticityofthemedia,whichisusedinstudiesoffocalphysicsandengineeringearthquake.Qiscloselyrelatedtotheregionaltectonicactivityandseismicity.Thisfeaturehasbeenstudyingasoneoffactorsofearthquakeprediction(Chouet,1979;JinandAki,1986,1989).InYunnanregion,QIN(1992)andQIN,etal(1995)hadstudiedthefeaturesofregionalvariationofcodaQcandflu…
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| 收稿时间： | 13 March 2010 |
The coda attenuation of the Yao'an area in Yunnan Province |
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| LI Bai-ji QIN Jia-zheng QIAN Xiao-dong YE Jian-qing Seismological Bureau of Yunnan Province,China Seismological Bureau,Kunming ,China.The coda attenuation of the Yao''''an area in Yunnan Province[J].Acta Seismologica Sinica(English Edition),2004,17(1):47-53. |
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| Authors: | LI Bai-ji QIN Jia-zheng QIAN Xiao-dong YE Jian-qing Seismological Bureau of Yunnan Province China Seismological Bureau Kunming China |
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| Institution: | Seismological Bureau of Yunnan Province, China Seismological Bureau, Kunming 650041, China |
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| Abstract: | An earthquake with M=6.5 happened on January 15, 2000 in Yaoan of Yunnan Province. After the earthquake, a temporary digital network with 6 detectors around the epicenter area was set up. 402 aftershocks were located more precisely. According to coda short recording observed, the coda averaging quality factor has been acquired via Satos single scattering model analyses, Qc( f )=49f 0.95,f=1.5~20.0 Hz, which has the attenuation characteristics of high structural active region. |
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| Keywords: | coda Qc Sato model Yaoan of Yunnan |
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