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Bookmark or Share- Summary of Yellowstone Eruption History | U.S. Geological Survey - USGS.govThree extraordinarily large explosive eruptions in the past 2.1 million years each created a giant caldera within or west of Yellowstone National Park. During these eruptions, enormous volumes of hot, fragmented volcanic rocks spread outward as pyroclastic density currents over vast areas.
- Yellowstone Caldera | Volcano type, Eruption, Size, Map, & FactsYellowstone Caldera, enormous crater in the western-central portion of Yellowstone National Park, northwestern Wyoming, that was formed by a cataclysmic volcanic eruption some 640,000 years ago. It measures approximately 30 by 45 miles (50 by 70 km), covering a large area of the park.
- Yellowstone | U.S. Geological Survey - USGS.govThe Yellowstone Plateau volcanic field developed through three volcanic cycles that span two-million years. Two of the eruptions are considered some of the world's largest volcanic events. Yellowstone's youngest eruptions have been lava flows that remain confined to the caldera of present-day Yellowstone National Park.
- Volcano - Yellowstone National Park (U.S. National Park Service)The Yellowstone caldera was created by a massive volcanic eruption approximately 631,000 years ago. Later lava flows filled in much of the caldera, now it is 30 x 45 miles. Its rim can best be seen from the Washburn Hot Springs overlook, south of Dunraven Pass.
- Is the Yellowstone supervolcano really 'due' for an eruption?The Yellowstone Caldera — the cauldron-like basin at the summit of the volcano — is so colossal that it is often called a "supervolcano," which, according to the Natural History Museum in...
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