The collapses caused by Mindulle typhoon mainly take place at center of watershed.Nari and Haitang typhoon show a more average distribution of space and collapse area.

• 敏督利台风事件新增崩塌地主要发生在集水区中部，纳莉和海棠台风事件之新增崩塌地于空间分布则较为平均。