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A supervolcano is a volcano that has had an eruption with a volcanic explosivity index (VEI) of 8, [1] the largest recorded value on the index. This means the volume of deposits for such an eruption is greater than 1,000 cubic kilometers (240 cubic miles). [2] Location of Yellowstone hotspot over time. Numbers indicate millions of years before ...
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 ...
Denise Chow. November 1, 2023 at 11:47 AM. Two long-dormant “supervolcanoes” on two separate continents appear to be stirring to life. Well, maybe. In recent months, more than a thousand minor ...
Wikimedia Commons has media related to Supervolcanoes. This category collects volcanoes popularly known as supervolcanoes. Supervolcanoes are large volcanoes that have had an eruption with a volcanic explosivity index (VEI) of 8, the largest recorded value on the index. This means the volume of deposits for that eruption is greater than 1,000 ...
Approximately 760,000 years ago, this super volcano in particular had a massive eruption on an apocalyptic scale that blanketed the United States region in molten lava and ash. And if such were to ...
Category:VEI-8 volcanoes. Wikimedia Commons has media related to VEI-8 volcanoes. Volcanoes that have produced explosive VEI-8 eruptions, often called supervolcanoes in the media. Such eruptions release a tephra volume of at least 1,000 km 3 (240 cu mi) with annihilating long-term effects on the surrounding area and devastating short-term ...
Paraná and Etendeka traps, Brazil, Namibia and Angola form 128 to 138 million years ago. 132 million years ago, a possible supervolcanic eruption occurred, ejecting 8,600 cubic kilometers (2,063 cu mi). [90] Formation of the Karoo-Ferrar flood basalts begins 183 million years ago.
44°26′N 110°40′W / 44.43°N 110.67°W / 44.43; -110.67. The Yellowstone hotspot is a volcanic hotspot in the United States responsible for large scale volcanism in Idaho, Montana, Nevada, Oregon, and Wyoming, formed as the North American tectonic plate moved over it. It formed the eastern Snake River Plain through a succession ...