1. State Key Laboratory of Earthquake Dynamics Institute of Geology China Earthquake Administration Beijing China
2. Now at Gansu Lanzhou National Geophysical Observation and Research Station Lanzhou Institute of Seismology China Earthquake Administration Lanzhou China
3. Department of Geophysics School of Earth and Space Science Peking University Beijing China
4. Department of Earth, Planetary, and Space Sciences University of California Los Angeles CA USA
5. Department of Geological Sciences and Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado Boulder CO USA
6. School of Earth Sciences and Engineering Sun Yat‐Sen University Guangzhou China
7. School of Earth Sciences Lanzhou University Lanzhou China