我国是世界上地质灾害最严重的国家之一。近年来我国每年因地质灾害造成 10 0 0人左右死亡、上百亿元财产损失 ,严重制约着地质灾害多发区的国民经济发展 ,威胁着人民生命财产安全。滑坡、崩塌、泥石流是突发性强、造成损失最严重的地质灾害。其中 70 %以上集中发生在 6～ 9月 Our country is one of the countries with the most serious geological disasters in the world. In recent years, China has caused about 100 deaths and tens of billions of yuan of property losses each year due to geological disasters, seriously restricting the development of the national economy in areas prone to geological disasters and threatening people’s lives and property. Landslide, collapse, debris flow is sudden strong, causing the most serious loss of geological disasters. More than 70% concentrated in 6 ~ September