Which of the following poses the greatest risk of massive loss of life and property along its path due to how rapidly it moves?
A) earthflow
B) rock avalanche
C) slump
D) rock fall

Question

Quizplus · Accepted Answer

Rock avalanche is a very rapid mass movement of rocks and debris that can travel at speeds of up to 200 miles per hour, posing a significant risk of massive loss of life and property along its path. Earthflow, slump, and rock fall are all slower-moving mass movements and do not pose the same level of risk as a rock avalanche.

Which of the Following Poses the Greatest Risk of Massive