Eruptive activity at the summit of the Nevada del Ruiz volcano in Colombia in 1985 caused snow and ice to melt, generating a ___ that killed 23,000 people in the village of Armero.
A) gas cloud
B) mud flow
C) lava flow
D) pyroclastic flow
E) hyaloclastic flow

Question

Quizplus · Accepted Answer

The eruption at Nevada del Ruiz generated a mud flow, also known as a lahars, which is a mixture of volcanic ash, debris, and water that can travel at high speeds and cause devastating destruction to anything in its path.

Eruptive Activity at the Summit of the Nevada Del Ruiz