Funding for this research was provided by:
the special Fund of the institute Geophysics, China Earthquake Administration (DQJB19B23)
National key research and development program of China (2018YFC1503801)
Article History
Received: 1 April 2020
Revised: 16 November 2020
Accepted: 30 November 2020
First Online: 28 January 2021