Evolution Analysis of Microseismic Events before and after Mining through Large-Scale Weak Zone with High Confined Water

Table 1

Occurrence characteristics of weak zone in 182703 working face.

Construct name	Trend	Tendency	Dip angle (°)	Type	Falling head (m)
F702-10	N5°E	SW	65	Normal fault	2
F702-11	N58°W	SE	70	Normal fault	1.2
F703-12	N18°E	SE	80	Normal fault	7.2
F703-13	N24°E	SE	80	Normal fault	2.7
F703-15	N44°E	SE	67	Normal fault	6
F703-16	N50°E	SE	55	Normal fault	3.5