Which type of mass movement includes a large proportion of ash derived from a volcanic eruption?

Question

Quizplus · Accepted Answer

Lahars are a type of mass movement that involve volcanic material such as ash, rock fragments, and water. They occur when heavy rain or melting snow mixes with volcanic ash on a slope, creating a slurry that can move downhill at high speeds. Lahars can be extremely dangerous and destructive, as they can travel long distances and easily destroy buildings and infrastructure.

Which Type of Mass Movement Includes a Large Proportion of Ash