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The Yellowstone Caldera, sometimes referred to as the Yellowstone Supervolcano, is a volcanic caldera and supervolcano in Yellowstone National Park in the Western United States. The caldera and most of the park are located in the northwest corner of the state of Wyoming. The caldera measures 43 by 28 miles (70 by 45 kilometers), and postcaldera ...
West Thumb Lake is itself formed by a smaller caldera [a] which erupted 174,000 years ago. (See Yellowstone Caldera map.) The Henry's Fork Caldera in Idaho was formed in an eruption of more than 280 km 3 (67 cu mi) 1.3 million years ago, and is the source of the Mesa Falls Tuff. [11]
Map of Yellowstone Volcano ash beds. The plateau developed through three volcanic cycles spanning two million years that included some of the world's largest known eruptions. The eruption of the >2,500 km 2 (970 sq mi) Huckleberry Ridge Tuff about 2 million years ago created the more than 75 km (47 mi) long Island Park Caldera.
What would happen if Yellowstone erupted? The Yellowstone National Park region has seen three major eruptions in history, the biggest being 2.1 million years ago, according to the US Geological ...
Yellowstone is centered on a huge, dormant volcano. The hydrothermal explosion did not indicate new activity within the volcanic system, which remains at normal levels, according to the U.S ...
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Lava Creek Tuff. The Lava Creek Tuff is a voluminous sheet of ash-flow tuff located in Wyoming, Montana and Idaho, United States. It was created during the Lava Creek eruption around 630,000 years ago, which led to the formation of the Yellowstone Caldera. This eruption is considered the climactic event of Yellowstone's third volcanic cycle.
The Biscuit Basin area of Yellowstone National Park in Wyoming is closed after a hydrothermal explosion Tuesday morning, park officials said in a news release and post on X.