[1
]State Key Laboratory of Earthquake Dynamics, Institute of Geology; China Earthquake
Administration; Beijing China
[2
]Lanzhou Institute of Seismology; China Earthquake Administration; Lanzhou China
[3
]Department of Geological Sciences and Cooperative Institute for Research in Environmental
Sciences; University of Colorado Boulder; Boulder Colorado USA
[4
]Department of Earth, Planetary, and Space Sciences; University of California; Los
Angeles California USA
[5
]Department of Geophysics, School of Earth and Space Sciences; Peking University; Beijing
China
[6
]National Infrastructure of Earthquake Centre; China Earthquake Administration; Beijing
China