Figures of the Article

• Distribution of the epicenters from routine location and seismic stations and faults in Huoshan region
• Histograms of phase probability （a） and SNR （b）
• Distribution of the epicenters including non-natural earthquakes
• Three component waveforms of non-natural earthquake in different stations at 11:01 on 2021−07−18
• Comparison of events number between mixed and manual catalogs
• Travel time curves of P and S waves
• L-curve of smoothing （a） and damping factors （b）
• Histograms of travel time residual RMS before （gray） and after （red） relocation for mixed catalog
• Frequency-magnitude distribution of manual catalog （a） and mixed catalog （b） and their complete magnitudes M_C
• Distribution of relocation epicenters
• Spatio-temporal distribution of epicenters from 1st to 10th in February in 2021
• Distribution of epicenters on belt BB′ （a），cross section of the southwest part （b） and cross section of the northeast part （c）
• Distribution of epicenters on belt DD′ （a），cross section of the northwest part （b） and cross section of the southeast part （c）