1. State Key Laboratory of Geodesy and Earth’s Dynamics, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China
2. Department of Geosciences, Princeton University, Princeton, NJ 08541, USA
3. Seismological Laboratory, California Institute of Technology, Pasadena, CA 91125, USA
4. Earth Observatory of Singapore, Nanyang Technological University, Singapore 639798, Singapore
5. Asian School of Environment, Nanyang Technological University, Singapore 639798, Singapore