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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.
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.
The Yellowstone Plateau Volcanic Field, also known as the Yellowstone Supervolcano or the Yellowstone Volcano, is a complex volcano, volcanic plateau and volcanic field located mostly in the western U.S. state of Wyoming, but it also stretches into Idaho and Montana. [4] [5] It is a popular site for tourists. [6] Map of Yellowstone Volcano ash beds
Seismic unrest can be a sign that a volcano is waking up, but the full story is much more complex. Both Campi Flegrei and the Long Valley Caldera are known as supervolcanoes, a term used to ...
What distinguishes a supervolcano from an ordinary volcano is the amount of volcanic material it has ejected during past eruptions — a reflection of the volcano’s explosive power.
The only semi-recent example was the 1815 eruption of Mount Tambora, which led to worldwide cooling and agricultural failures and caused 1816 to become known as the "year without a summer."
Well-preserved tuyas show all of these stages, for example Hjorleifshofdi in Iceland. [59] Products of volcano-ice interactions stand as various structures, whose shape is dependent on complex eruptive and environmental interactions. Glacial volcanism is a good indicator of past ice distribution, making it an important climatic marker.
Scientists are tracking changes at the giant supervolcano that lies under Yellowstone National Park, but they say there's no need to worry at the moment. “The western part of the Yellowstone ...