2020 May 11, Alistair F. Pitty,Introduction to Geomorphology, Routledge,→ISBN:
[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 orearthflow depend[…]