The experimental study of the change of wave velocity in fault regions before instability of frictional sliding of rocks was conducted.Experiments show that before the instability of frictional slidin
The northern Liulengshan piedmont fault is located along the southern margin of the Yangyuan basin and represents a dip-slip normal fault,generally NEE-trending
Ⅰ. SURVEY OF THE GLOBAL SEISMICITY A total of 28 earthquakes of M_s ≥7.0 occurred over the entire world in 1996 according to the determination by the Chinese Seismic Station Network. The strongest one