Yongen Cai, ITAG Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China, Zhoumin Xie, CEA China Earthquake Administration, Institute of Crustal Dynamics, Beijing, China, Chi-Yuen Wang, University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States, Shoichi Yoshioka, Kobe Univ, Nada Ward Kobe, Japan and Momo Tanaka, Kobe University, Kobe, Japan