GENERAL GEOLOGY

Detailed explanation-1: -A mudflow, also known as mudslide or mud flow, is a form of mass wasting involving fast-moving flow of debris and dirt that has become liquified by the addition of water. Such flows can move at speeds ranging from 3 meters/minute to 5 meters/second.

Detailed explanation-2: -A mud flow is a geologic phenomenon whereby a wet, viscous fluid mass of fine-to-coarse-grained material flows rapidly and turbulently downslope, usually in a drainageway. Typically a torrential rainfall or very rapid snowmelt runoff is the initiating factor.

Detailed explanation-3: -Landslides occur when masses of rock, earth, or debris move down a slope. Debris flows, also known as mudslides, are a common type of fast-moving landslide that tends to flow in channels.

Detailed explanation-4: -Lahars. Lahars, or volcanic mudflows, are slurries of water and sediment (60% or more by volume), which can flow at speeds of a few tens of kilometers per hour to > 100 km h− 1 down the slopes of a volcano.

Detailed explanation-5: -Areas recently burned by a forest fire are especially susceptible to debris flows, including the areas downslope and outside of the burned area. Debris flows are a type of landslide and are sometimes referred to as mudslides, mudflows, lahars, or debris avalanche.