mudflow

plural mudflows

1. 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.

   2015 September 21, Rachel Nuwer, “Indonesia’s ‘Mud Volcano’ and Nine Years of Debate About Its Muck”, in The New York Times

   1 more example

   [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[…]

   2020 May 11, Alistair F. Pitty, Introduction to Geomorphology, Routledge, →ISBN

2. The dried-out product of such a flow.