Research on Risk Assessment of the Geological Disasters in Xingwen County of Sichuan Province

The development and changement of every thing is the contradict development of internal cause and external cause. Based on the philosophical thought, the internal cause and the external cause inducing factors of the geological disasters are studied in Xingwen county, Sichuan provience. This paper presents a model of risk assessment of geological disasters by using natural disaster risk index method, weighted comprehensive analysis and analytic hierarchy process. The risk of the geological disasters in Xingwen County's towns is assessed on basis of the risk assessment model. Also, the risk map of geological disasters is drawn by Geographical Information System(GIS). The results of the assessment were verified using the geological disasters location data, and strongly help the local authorities in their decision making for the disasters' prevention and reduction of Xingwen county.