Asked by
Milca Martinez
on Dec 13, 2024Verified
Which of the following are NOT differences between an eruption column and pyroclastic flow?
A) Tephra in an eruption column mostly cools before it reaches the ground.
B) A pyroclastic flow mostly flows downhill, whereas a column rises at first.
C) Damage from an eruption column can be more widespread.
D) Pyroclastic flows form from a higher gas flux.
Pyroclastic Flow
a fast-moving current of hot gas and volcanic matter (such as ash) that moves away from a volcano during an explosive eruption.
Eruption Column
A column of gases, ash, and volcanic rock that is ejected into the atmosphere during a volcanic eruption.
Tephra
Fragmented material produced by a volcanic eruption regardless of size, composition, or emplacement mechanism.
- Understand the differences between eruption columns and pyroclastic flows.
Verified Answer
AM
Learning Objectives
- Understand the differences between eruption columns and pyroclastic flows.