火砕流 (かさいりゅう) Japanese meaning | KotomoraCommon wordFreq.FrequencyTop 50,000 Meanings
1
noun
pyroclastic flow
geology
A fast-moving current of hot gas and volcanic matter that flows along the ground during an eruption. Used in geology and disaster reporting.
1991年の雲仙普賢岳の火砕流で多くの犠牲者が出た。
The pyroclastic flows at Mount Unzen in 1991 caused many casualties.
