Jake Lowenstern, USGS Scientist-in-Charge of the Yellowstone Volcano Observatory, answers the following questions to explain volcanic features at Yellowstone: "How do we know Yellowstone is a volcano?", "What is a Supervolcano?", "What is a Caldera?","Why are there geysers at Yellowstone?", and "What are the other geologic hazards in Yellowstone?"

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When a Sleeping Giant Awakes
When a Sleeping Giant Awakes Article

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6-12+

Subjects
Geography, Science

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Past volcanic eruptions that have taken place at Yellowstone National Park have been global disasters. Today, scientists are trying to predict how this ticking time bomb will explode—or fizzle out.