1. 1State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing, China
2. 2Department of Geodesy, East China University of Technology, Nanchang, Jiangxi, China
3. 3Department of Earth and Atmospheric Sciences, University of Houston, Houston, Texas, U.S.A.
4. 4China Earthquake Network Center, Beijing, China
5. 5School of Geomatics and Prospecting Engineering, Jilin Jianzhu University, Changchun, China