Here are some other terms that could describe a rapid downward movement of rock and soil, depending on the specific characteristics:
* Rockfall: This refers to the freefall of rock fragments from a cliff or steep slope.
* Debris flow: This is a fast-moving mixture of mud, rocks, and other debris that flows downhill.
* Mudslide: This is a type of debris flow that is primarily composed of mud.
* Slump: This is a type of landslide where a mass of rock or soil moves slowly downward along a curved surface.
The specific term used to describe a rapid downward movement of rock and soil will depend on the factors involved, such as the type of material, the speed of movement, and the shape of the slope.
