| First-level indicators | (Ex, En, He) | | Second-level indicators | (Ex, En, He) | |
| Mining conditions (U1) | (0.682,0.100,0.006) | 0.1707475 | Mining disturbance U11 | (0.762,0.090,0.005) | 0.09025 | Depth of mining floor failure U12 | (0.758,0.064,0.003) | 0.17396 | Coal seam burial depth U13 | (0.730,0.044,0.003) | 0.02349 | Working surface length U14 | (0.738,0.047,0.003) | 0.28202 | Mining depth U15 | (0.655,0.084,0.005) | 0.09082 | Reduce the strength of fractured rock mass U16 | (0.578,0.149,0.008) | 0.33941 |
| Hydrological factors (U2) | (0.701,0.082,0.004) | 0.610605 | Key position of the water barrier U21 | (0.745,0.092,0.005) | 0.23291 | Ordovician water U22 | (0.719,0.080,0.004) | 0.47482 | Aquifer U23 | (0.654,0.075,0.004) | 0.07802 | Water barrier thickness U24 | (0.669,0.073,0.004) | 0.12155 | Dynamic water pressure U25 | (0.571,0.108,0.006) | 0.06889 | Ordovician water channel U26 | (0.585,0.086,0.004) | 0.02381 |
| Geological structure (U3) | (0.656,0.087,0.004) | 0.1647225 | Karst collapse column U31 | (0.746,0.077,0.004) | 0.04282 | Fault U32 | (0.720,0.081,0.004) | 0.44905 | Karst fissure development degree U33 | (0.601,0.076,0.004) | 0.21256 | Collapse column U34 | (0.603,0.120,0.006) | 0.00821 | Complex geological conditions U35 | (0.585,0.108,0.006) | 0.28406 | Folds U36 | (0.575,0.106,0.005) | 0.00331 |
| Human factors (U4) | (0.501,0.083,0.005) | 0.05393 | Mining methods and processes U41 | (0.641,0.076,0.004) | 0.32893 | Incomplete investigation of hidden dangers U42 | (0.449,0.105,0.006) | 0.25707 | Illegal production U43 | (0.423,0.071,0.004) | 0.23631 | Production organization management chaos U44 | (0.427,0.065,0.004) | 0.08967 | Production technology management chaos U45 | (0.417,0.089,0.005) | 0.08803 |
|
|