Figure 11
From: Elastic wave prospecting of water-conducting fractured zones in coal mining
YZ plane microseismic event density nephogram. (a) 8.25–8.31, (b) 9.1–9.8, (c) 9.9–9.19, (d) 9.20–9.27, (e) 9.28–10.7, (f) 11.17–11.2, (g) 11.26–12.6, (h) 12.7–12.11.
