Mudflow 03 : A general term for a mass-movement landform and process characterized by a flowing mass of fine-grained earth material with a high degree of fluidity. The water content may range up to 60%; also spelled mudflow. (AGI)
U.S. Department of the Interior, U.S. Geological Survey USGS, Landslide Hazards Program, Glossary, Washington, D.C. USA 2014. http://landslides.usgs.gov/learn/glossary.php, (ND/ Lndsld - Amer) {919}