1. Institute of Geophysics and Planetary Physics Scripps Institution of Oceanography University of California, San Diego CA La Jolla USA
2. School of Geophysics and Geomatics China University of Geosciences Wuhan Wuhan China
3. State Key Laboratory of Geodesy and Earth's Dynamics Innovation Academy for Precision Measurement Science and Technology Chinese Academy of Sciences Wuhan China
4. College of Earth, Ocean, and Atmospheric Sciences Oregon State University OR Corvallis USA
5. Department of Geology and Geophysics University of Utah UT Salt Lake City USA
6. Department of Earth Sciences and Southern California Earthquake Center University of Southern California CA Los Angeles USA