1. Institute of Geophysics, China Earthquake Administration, Beijing, China
2. Key Laboratory of Earthquake Source Physics, China Earthquake Administration, Beijing, China
3. Earthquake Administration of Sichuan Province, Chengdu, China
4. Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, China
5. Qinghai Provincial Key Laboratory of Geology and Environment of Salt Lakes, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, China