[1
]State Key Laboratory of Earthquake Dynamics Institute of Geology China Earthquake
Administration Beijing China
[2
]College of Earth Ocean and Atmospheric Sciences Oregon State University Corvallis
OR USA
[3
]Shanxi Taiyuan Continental Rift Dynamics National Observation and Research Station
Taiyuan China
[4
]Department of Earth and Atmospheric Sciences University of Houston Houston TX USA
[5
]Now at Department of Geological Sciences University of North Carolina Chapel Hill
NC USA