Natural disaster risk monitoring device

The utility model relates to the technical field of disaster monitoring, and discloses a natural disaster risk monitoring device which comprises a slope body and a mounting seat, the mounting seat is mounted on the slope surface of the slope body, a soil retaining plate is arranged on one side of the mounting seat, the soil retaining plate is fixedly inserted into the slope surface of the slope body, the soil retaining plate is arranged in an arc shape, and the soil retaining plate is arranged on the slope surface of the slope body. A fixing column is arranged between the mounting base and the soil retaining plate, a cavity is formed in the fixing column, a movable rod is slidably connected to the cavity wall of the cavity, the movable rod is connected with the soil retaining plate, the fixing column is connected with the mounting base, a piston column is fixedly connected to the rod end of the movable rod, and the piston column is slidably arranged in the cavity; and a trigger assembly is mounted in the fixe