Generating Behaviors of Strong Tremors and Experimental Study of Rockburst-Triggering Criterion

Figure 8

AE activity and acceleration signals at different input energies: (a, a1) 29.4 J ; (b, b1) 58.8 J; (c, c1) 88.2 J; (d, d1) 117.6 J; (e, e1) 147 J; (f, f1) 176.4 J.