大だい噴ふん火か

noun

major volcanic eruption; large-scale eruption

Refers to a very large, often explosive volcanic eruption. Used in geology, news, and disaster contexts.

• 富ふ士じ山さんの大だい噴ふん火かが心しん配ぱいされている。

  A major eruption of Mt. Fuji is feared.

• この地ち域いきでは過か去こに何なん度ども大だい噴ふん火かが起おきている。

  Major eruptions have occurred many times in this region in the past.