5 Questions
Which term describes a hot or cold mixture of water and rock fragments that flows down the slopes of a volcano and typically enters a river valley?
Lahar
What type of volcano do lahars generally occur on?
Stratovolcanoes
What does a lahar look like?
Wet concrete
Which hazard is considered the most serious and far-reaching at many volcanoes?
Lahar
What is the composition of a debris flow?
High percentage of coarse rock particles, two parts sediment for one part water
Test your knowledge on lahars, a dangerous volcanic phenomenon in Indonesia. Learn about their characteristics, impacts, and occurrence on stratovolcanoes and cinder cones. Explore the far-reaching hazards and understand how lahars can flow for long distances, even without an eruption.
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