On January 21, 2016, a strong earthquake with a magnitude of Ms6.4 occurred at Menyuan,Qinghai Province of China. In almost the same region, there was another s
Continuous observation data from 24 GPS stations are selected in the area(33.0N-41.0N,95.0E-105.0E) for this study(the period is from Jan.1, 2015 to Jan.20, 201