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Volcanic explosivity index (VEI) of 8
- A supervolcano is a volcano that has 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 such an eruption is greater than 1,000 cubic kilometers (240 cubic miles).
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A supervolcano is a volcano that has 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 such an eruption is greater than 1,000 cubic kilometers (240 cubic miles).
A volcano is categorised as a supervolcano if it can produce a magnitude-eight eruption on the Volcanic Explosivity Index, discharging more than 1,000 cubic kilometres of material. These eruptions are sometimes called 'super eruptions' and are the biggest and most explosive of all.
Mar 19, 2019 · According to the United States Geological Survey, a volcano is considered “super” if it has had at least one explosion that released more than 240 cubic miles of material—a little more than twice...
- 3 min
- Maya Wei-Haas
What is a supereruption? The term "supervolcano" implies a volcanic center that has had an eruption of magnitude 8 on the Volcano Explosivity Index (VEI), meaning that at one point in time it erupted more than 1,000 cubic kilometers (240 cubic miles) of material.
Aug 6, 2018 · What are supervolcanoes, and how catastrophic can they be? Learn how supervolcanoes form, where supervolcanoes are located, and how their destructive capabilities can make way for new life....
- 4 min
- 2.1M
- National Geographic
Jul 24, 2017 · The volcano's most notorious supereruption was the Campanian Ignimbrite eruption, which occurred some 39,000 years ago. It punched an estimated 300 cubic kilometres of molten rock 70km up into...
Nov 10, 2023 · “When a volcano is called a supervolcano, what we really mean is it had a super eruption once, at least, in the past,” said Christopher Kilburn, a volcanologist at University College London.
