mudflow

A type of landslide characterized by large flows of mud and water.

Some believe an earthquake set off the disaster, others that the mudflow was caused by a company drilling for natural gas.

[A] rockflow involving at least 1.5 million m3 of material moved down the Uchau-Su river valley into the sea within a day. Some mudflows are so viscous that they come to a halt in the stream channel. On slopes, soilflow or earthflow depend[…]

The dried-out product of such a flow.