Study on Evolution Law and the Mechanical Mechanism of Strong Mine Tremors in a Deep Coal Mine

Table 1

Results of seismic source parameters solution.

Date	Circular source radius (m)	Corner frequency (Hz)	Seismic moment (N·m)	Seism magnitude	Stress drop (MPa)	Fracture duration (s)
2020-11-30; 09.41.49	150	2.98	9.07 E + 11	1.97	0.12	0.34