The measurement of underground medium variation using a repeated artificial source has gradually become an important goal to pursue. In recent years,we have dev
With the increasingly high requirement of clock source accuracy for seismic data servers and equipment,the development of a multipurpose timing system is urgent
We successfully employ an automatic centroid moment tensor(CMT) inversion system to infer the CMT solutions of the February 12,2014 MS7.3 Yutian,Xinjiang earthq
In this paper, according to the results of the satellite imagery interpretation and field investigation, we study the active features and the latest active time