Abstract:Through field investigation, andslides, collapses and mudslides are considered as main geological disasters in Feixian county. The developments of geological disasters are closely related to topography, lithology, geological structures, human engineering activities and the rainfall. Based on present condition of geological hazards and laws and disastercausing factors, the author acquires each evaluated unit of geological disaster risk index by superimposition with the spatial analysis function of MapGIS and Microsoft Excel data calculated function. According to the easyhappening degree of geological hazards, Feixian county has been divided into high easyhappening area, medium easyhappening area, low easyhappening area, not prone area and comments on each area. It will provide scientific basis for preventing and controlling geological hazards by local departments of land resources.
