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Volcanoes are not all fiery cones of smoke and lava. Some can be much more subtle. Yellowstone Park, though famous for its tranquility, has been the location of some of the most violent volcanic eruptions in Earth’s history. Explore the feature, “Yellowstone”, and learn how scientists are studying its hidden dangers.
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What is the geologic definition of an “active volcano”?
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What are hotspots and magma chambers?
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What are the various ways in which geothermal activity manifests itself at Yellowstone?
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What signs do geologists look for in order to predict an eruption? How is geologic and seismic activity monitored?
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When was Yellowstone’s last eruption? Are scientists concerned about an imminent eruption? Why or why not?
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What would the effects be of an eruption at Yellowstone today?
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Describe other similar hotspots around the world. What do scientists know about them?