| Study on shear wave splitting in the after- shock region of the Yao′an earthquake in 2000 |
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| 引用本文： | 王新岭,刘杰,张国民,马宏生,王辉.Study on shear wave splitting in the after- shock region of the Yao′an earthquake in 2000[J].地震学报(英文版),2006(2). |
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| 作者姓名： | 王新岭 刘杰 张国民 马宏生 王辉 |
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| 作者单位： | Institute of Earthquake Science China Earthquake Administration，Beijing 100036 China，China Earthquake Network Center China Earthquake Administration，Beijing 100081 China，Institute of Earthquake Science China Earthquake Administration，Beijing 100036 China，Institute of Earthquake Science China Earthquake Administration，Beijing 100036 China，Institute of Earthquake Science China Earthquake Administration，Beijing 100036 China |
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| 基金项目： | National Program on Key Basic Projects (2004CB418406) and Program for the tenth Five-year Plan of China (2004BA601B01-04-03). |
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| 摘 要： | Introduction Rock microcracks in the crust play very important roles in all kinds of geophysical phe-nomenon variation (Aki et al, 1970; Crampin et al, 1980). The medium anisotropy of the upper crust has been studied extensively, mostly based on analysis on shear wave splitting from local earthquakes. Commonly, explanation for the upper crust anisotropy is the assumed ″extensive di-latancy anisotropy″ (Crampin, 1978) or its modified version ″anisotropic poroelasticity″ (Crampin and Zatse…
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