Exercise
Volcanic Hazards and Safety
Understand the primary hazards associated with volcanic eruptions and the safety measures used to protect communities. Learn how scientists monitor volcanic threats to keep people safe.
Questions
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MultiChoice
Which volcanic hazard causes the most immediate danger to human life near an explosive volcano?
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MultiChoice
What is a lahar?
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MultiChoice
What triggers a lahar?
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MultiChoice
Why is volcanic ash hazardous to human health?
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MultiChoice
How can volcanic ash affect weather and global temperature?
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MultiChoice
What gas released by volcanoes is invisible, denser than air, and can suffocate life in low areas?
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MultiChoice
What warning sign often precedes a volcanic eruption?
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MultiChoice
What instrument measures ground tilting caused by magma rising inside a volcano?
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MultiChoice
If an evacuation order is issued due to an impending eruption, what should residents do?
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MultiChoice
What primary damage do slow-moving lava flows cause?
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MultiChoice
What protective gear is most essential if you are outdoors in a volcanic ash fall zone?
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MultiChoice
Why do scientists monitor volcano slope swelling?