What are the main means and contents of geological disaster prevention and control?

The prevention and control of geological disasters adhere to the principle of "territorial management and graded responsibility"; Prevention first, combining prevention with treatment; Combination of special population, group monitoring and group prevention; Who causes it, who governs it; Overall planning and comprehensive management "principle. Geological disaster prevention measures can be roughly divided into four categories: prevention in advance, monitoring and early warning, relocation and avoidance, and project management.