土ど石せき流りゅう

noun

debris flow; mudslide; landslide

Geological term for a rapid flow of water-saturated earth, rocks, and debris, often triggered by heavy rain or volcanic activity. In everyday news, it is often used interchangeably with 土砂崩れ, but 土石流 specifically emphasizes the flowing mixture of soil and rocks.

• 大おお雨あめで土ど石せき流りゅうが発はっ生せいし、道どう路ろが寸すん断だんされた。

  A debris flow occurred due to heavy rain, cutting off the road.

• この地ち域いきは土ど石せき流りゅうの危き険けん性せいが高たかい。

  This area has a high risk of debris flows.