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Is the Yellowstone supervolcano really 'due' for an eruption?
Volcano Updates | U.S. Geological Survey - USGS.gov
What would happen if a "supervolcano" eruption occurred again …
When a Sleeping Giant Awakes - Education
Volcano - Yellowstone National Park (U.S. National Park Service)
Yellowstone Supervolcano Eruptions Were Even More Explosive …
Yellowstone Supervolcano May Rumble to Life Faster Than …
Yellowstone Caldera | Volcano type, Eruption, Size, Map, & Facts
Newest Volcano Notice Including Yellowstone - USGS
Surprise eruption sends dozens running for safety in Yellowstone …