1. Liaoning Earthquake Agency, Shenyang 110034, China
2. School of Emergency Management Science and Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
3. State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
4. Institute of Earthquake Forecasting, China Earthquake Administration, Beijing 100036, China
5. Sichuan Earthquake Agency, Chengdu 610041, China
6. Key Laboratory Earthquake Geodesy, Institute of Seismology, China Earthquake Administration, Wuhan 430071, China