Prediction Method for the Ground Vibration Damage Boundary of Thick and Hard Rock Layer Fracture Type Mine Quakes

Figure 9

Microseismic monitoring scheme and monitoring results of the Longwall 16101 repeated face: (a) Layout of underground microseismic measuring points; (b) Plan of microseismic event; (c) Profile of microseismic event.

(a)

(b)

(c)