mudflow; volcanic mud flow
A flow of water-saturated volcanic ash and debris, often triggered by heavy rain on volcanic slopes. Used in geology and disaster contexts.
After the volcanic eruption, heavy rain caused a mudflow.
The mudflow struck the settlements along the valley.
turbidity current
volcanic mudflow; lahar
Compound of 泥 (mud) and 流 (flow). A straightforward Sino-Japanese term for volcanic mudflow.