Shear-wave splitting of Sichuan Regional Seismic Network |
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| Authors: | Yong-jiu Zhang Yuan Gao Yu-tao Shi and Wan-zheng Cheng |
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| Institution: | (1) Earthquake Administration of Sichuan Province, Chengdu, 610041, China;(2) Institute of Earthquake Science, China Earthquake Administration, Beijing, 100036, China |
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| Abstract: | Using seismic data recorded by the Chengdu Digital Seismic Network from May 1, 2000 to December 31, 2006, we obtain the dominant polarization directions of fast shear-waves at eight digital seismic stations adopting the SAM technique. The results show that the dominant directions of polarizations of fast shear-waves at most of sta-tions are mainly in nearly NE-SW or NW-SE direction in Sichuan. The dominant polarization directions of the fast shear-waves at stations located at the active faults or intersecti... |
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| Keywords: | shear-wave splitting polarization of fast shear-wave compression axis active fault Sichuan region |
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