ní shí liú
泥石流
mud-rock flow, mudslide

yàn sè hú
堰塞湖
barrier lake; lake formed by landslides that block rivers

qiáng jiàng yǔ
强降雨
heavy rains; heavy downpours

kuì bà
溃坝
dam break

shān hóng
山洪
mountain torrents, flash flood

shān tǐ huá pō
山体滑坡
landslide

dì zhì zāi hài
地质灾害
geological disaster, geological hazard

cì shēng zāi hài
次生灾害
secondary disaster