1. Chinese Academy of Sciences, Institute of Rock and Soil Mechanics, State Key Laboratory of Geomechanics and Geotechnical Engineering, Wuhan, China.
2. State Key Laboratory of Geodesy and Earth’s Dynamics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China. (corresponding author)
3. National Institute of Oceanography and Applied Geophysics — OGS, Trieste, Italy.