Funding for this research was provided by:
China National Special Fund for earthquake scientific research in pubulic interest. (201508010)
the Special Fund of the Institute of Geophysics, China Earthquake Administration (DQJB17C10)
Article History
Received: 3 June 2017
Revised: 3 March 2018
Accepted: 5 February 2019
First Online: 15 February 2019