1. Hubei Subsurface Multi‐scale Imaging Key Laboratory, Institute of Geophysics and Geomatics, China University of Geosciences, 388 Lumo Road, Wuhan, Hubei 430074, China, iori897@gmail.com
2. Also at State Key Laboratory of Geological Processes and Mineral Resources, Institute of Geophysics and Geomatics, China University of Geosciences, 388 Lumo Road, Wuhan, Hubei 430074, China.
3. Research Institute of Disaster Reduction and Emergency Rescue, Sichuan Earthquake Agency, No.29 3rd Segment RenMinNan Road, Chengdu, Sichuan 610041, China