Shizhuo Mao¹, Shihua Cheng¹, Xiao Xiao¹, Jianping Wu² and Lianxing Wen³, (1)University of Science and Technology of China, Hefei, China, (2)Institute of Geophysics, China Eathquake Administration, Beijing, China, (3)State University of New York at Stony Brook, Department of Geosciences, Stony Brook, United States