作者单位:PENG Zhigang(School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, USA)WANG Weijun,GONG Xuan(Institute of Earthquake Sciences, Georgia China Earthquake Administration, Beijing, China)WU Chunquan(Geophysics Group, Los Alamos National Lab, New Mexico, USA)WU Jing,CHEN Qi-Fu(Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China)