Figures of the Article

• Distribution of faults and stations in Three Gorges Reservoir region
• The horizontal waveform(a)of Zigui M_L2.1 earthquake on June 2，2014 recorded by the station ZJS and its displacement spectra(b)
• The focal depth profile
• Linear fitness between t^* and epicentral distance Δ
• Distribution of seismic raypaths in Zigui-Badong section of the Three Gorges Reservoir region，where the red triangles represent stations，the crosses represent earthquakes
• Residuals δt^*versus epicentral distance Δ before(a)and after inversion(b)
• The results of checkerboard resolution test
• Distribution of Q_S values in the upper crust of Three Gorges Reservoir region
• Sketch map showing geological tectonic of Three Gorges Reservoir region(after Huang et al，2002)