1. College of Oceanography and Space Informatics, China Univ. of Petroleum (East China), Qingdao 266580, China.
2. Professor, College of Oceanography and Space Informatics, China Univ. of Petroleum (East China), Qingdao 266580, China (corresponding author).
3. Associate Professor, College of Oceanography and Space Informatics, China Univ. of Petroleum (East China), Qingdao 266580, China.
4. Associate Professor, Chinese Academy of Surveying & Mapping, Beijing 100036, China.
5. Master’s Student, Research Center for Earthquake Observation Technology, Institute of Seismology, China Earthquake Administration, China Seismological Bureau, Wuhan 430000, China.