Mudflows or lahars associated with volcanoes do not usually cause much damage in a volcanic eruption because they are constrained to river valleys.

Question

Quizplus · Accepted Answer

Mudflows, also known as lahars, can cause significant damage and loss of life, as they are fast-moving mixtures of volcanic ash and water that can travel long distances from their source. They often follow river valleys but can breach their banks and inundate areas beyond the valley. Therefore, they can be hazardous to surrounding communities and infrastructure.

Mudflows or Lahars Associated with Volcanoes Do Not Usually Cause