1. Guangdong Provincial Key Lab of Geodynamics and Geohazards, School of Earth Sciences and Engineering, Sun Yat‐sen University, Guangzhou 510275, China, hexiaohui@foxmail.comzhangpeizhen@mail.sysu.edu.cnzhangdongli@mail.sysu.edu.cn
2. Seismological Laboratory, California Institute of Technology, Pasadena, California 91125, zwzhan@caltech.edu