Mountain landslide has been an environmental geological problem and occurs frequently in China, especially in the karst region of Guizhou Province, Southwest China. The data of karst mountain landslide are collected and analysed, which occurred in the period of 1940–2002. The collection includes 321 events in the karst region of Guizhou Province. The characteristics of mountain landslides may be classified as two types, namely natural mountain landslides (287 events) and the other induced by human activities (34 events). The results indicate that natural mountain landslide causes especially high damage and is still the main type of natural hazard in the study area owing to the extremely fragile karst geological environment.
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