1. Laboratory of Seismology and Physics of Earth's Interior, School of Earth and Space Sciences, University of Science and Technology of China Hefei China
2. Mengcheng National Geophysical Observatory, University of Science and Technology of China Hefei China
3. CAS Center for Excellence in Comparative Planetology University of Science and Technology of China Hefei China
4. Institute of Geophysics, China Earthquake Administration Beijing China
5. Department of Physics University of Colorado Boulder Boulder CO USA