Fig. 1

Location map of the study area (a, b) and aerial photograph (c) taken by the UAV camera from the north. In a, the white circle is the location of the seismic observation point and the x-mark is the location of the wave observational point
Location map of the study area (a, b) and aerial photograph (c) taken by the UAV camera from the north. In a, the white circle is the location of the seismic observation point and the x-mark is the location of the wave observational point