earthflow

plural earthflows

1. A downslope viscous flow of fine-grained materials that have been saturated with water, moving under the pull of gravity.

   [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

   Synonyms: soilflow