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《CT Theory and Applications》 2011-04
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Far-Field P-Wave Radiation Pattern from ATI Shear Dislocation:Theoretical Studies

CAI Xiao-gang Institute of crustal dynamic,China Earthquake Administration,Beijing 100085,China  
Suppose that source region is ATI medium and propagation path is isotropic media,analytical representations of far-field P-wave displacement and radiation are given and we discuss the effects of source anisotropy on far-field P-wave displacement and focal sphere.Some results show that crack density,azimuth et al.parameters play an important role in P-wave radiation and lead to non-double-earthquake mechanism.We propose that It maybe a good method which we can directly detect percentage of DC,CLVD and ISO for micro-earthquake before large earthquake in the well.
【Fund】: 中国地震局地壳应力研究所基本科研业务专项(ZDJ2010-01);; 国家自然科学基金(41104026)
【CateGory Index】: P315.33
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