Definition of supervolcano in English:

supervolcano

noun

  • An unusually large volcano having the potential to produce an eruption with major effects on the global climate and ecosystem.

    ‘the possibility of a supervolcano erupting is terrifying, but the odds are fairly long against it happening in our lifetimes’
    • ‘The park's supervolcano has the potential to erupt with a force about 2,000 times the size of Mount St. Helens, according to a new study.’
    • ‘A supervolcano would release enough to cover the entire UK under four metres of ash.’
    • ‘When supervolcanoes erupt they do so with a force thousands of times greater than eruptions such as that at Mount Vesuvius.’
    • ‘Unlike ordinary volcanoes, supervolcanoes are not obvious from the surface.’
    • ‘There is enough volcanic material below the surface to match the largest of the supervolcano's three eruptions over the last 2.1 million years, Farrell said.’
    • ‘Montana isn't going to cut it when the Yellowstone supervolcano blows.’
    • ‘Flows from a supervolcano would scorch and destroy all life around the volcano in an area the size of an English county or small American state.’
    • ‘Yellowstone, if it did go up as a supervolcano, would put out about 2000 cubic kilometres of material into the atmosphere and into the environment.’
    • ‘Supervolcanos could cause major problems but then are we going to move people out of the area?’
    • ‘The eruption of the supervolcano Toba approximately 74,000 years ago is thought to have wiped out much of our genetic diversity by causing the extinction of many human groups.’

Pronunciation

supervolcano

/ˈso͞opərvälˌkānō/