Microseismic Response Characteristics Induced by Mining Activities: A Case Study

Figure 10

Curves of amplitude spectrum-frequency. (a) Immediate roof rupturing in the gob. (b) Main roof rupturing in the gob. (c) Fault activation. (d) Roof fracturing in the cut-off. (e) Artificial blasting.

(a)

(b)

(c)

(d)

(e)