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The Yellowstone Caldera formed over 600,000 years ago from the Lava Creek Tuff eruption, which was measured on the Volcanic Explosivity Index as an 8, according to the U.S. Geological Survey ...
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 .
Similar blasts have happened in Biscuit Basin in 2009, 1991 and after the magnitude 7.2 Hebgen Lake earthquake 40 miles (64 kilometers) away in 1959. Yellowstone is centered on a huge, dormant ...
This eruption of 2,450 km 3 (590 cu mi) of material is thought to be one of the largest known eruptions in the Yellowstone hotspot's history. This eruption, 2.1 million years ago, is the third most recent large caldera-forming eruption from the Yellowstone hotspot. It was followed by the Mesa Falls Tuff and the Lava Creek Tuff eruptions. [3]
Video of the eruption showed people, including children, running as a column of black and gray material and vapor launched into the air.. Yellowstone is famed for its thermal features and hot ...
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.
A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a little-known hazard that ...
Name origin: Named by Henry D. Washburn September 18, 1870; 154 years ago (): Location: Upper Geyser Basin Yellowstone National Park Teton County, Wyoming, U.S.: Coordinates: 1]: Elevation: 7,349 ft (2,240 m) [2]: Type: Cone geyser: Eruption height: 106 to 185 ft (32 to 56 m): Frequency: 60 to 90 minutes: Duration: 1½ to 5 minutes: Discharge: 3,700–8,400 US gal (14,000–32,000 L): Old ...