In the late 1950's the Hebgen Lake earthquake outside of Yellowstone triggered a mass wasting event.The landslide originated on steep mountains slopes where rocks slid off a surface and descended to the valley floor in a few seconds,burying a campground and many people staying there.This type of landslide would be called ________.

Question

Quizplus · Accepted Answer

The description given of rocks sliding off steep mountain slopes and quickly descending to the valley floor fits the definition of a rockslide. A slump typically involves a slower movement of soil and rock along a curved surface, a mudflow involves a mixture of soil and water flowing downhill, and an earthflow involves slow movement of soil and rock downslope due to saturation or liquefaction.

In the Late 1950's the Hebgen Lake Earthquake Outside of Yellowstone