has increased levels of has participant liquid water clay environmental material mud mass wasting flow mudflow environmental_hazards "Mudflows are often called mudslides, a term applied indiscriminately by the mass media to a variety of mass wasting events. Mudflows often start as slides, becoming flows as water is entrained along the flow path; such events are often called flow slides." https://en.wikipedia.org/wiki/Mudflow A mudflow is a form of mass wasting which involves very rapid to extremely rapid surging flow of debris that has become partially or fully liquified by the addition of significant amounts of water to clay-rich source material. mud flow