Funding for this research was provided by:
National Science Foundation of China (41490615)
Special Research Project for Earthquake Science of China (2015419024)
the Spark Program of Earthquake Technology of CEA (XH20056Y)
Article History
Received: 2 July 2020
Accepted: 15 October 2020
First Online: 4 November 2020
Competing interests
: The authors declare that they have no competing interest.