1. State Key Laboratory of Geodesy and Earth's DynamicsInstitute of Geodesy and Geophysics, Chinese Academy of Sciences Wuhan China
2. State Key Laboratory of Geological Processes and Mineral Resources, Institute of Geophysics and GeomaticsChina University of Geosciences Wuhan China
3. University of Chinese Academy of Sciences Beijing China
4. Center for Earthquake Studies Islamabad Pakistan
5. Center for Earthquake Prediction, Earthquake Administration of Shanxi Province Taiyuan China