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How many super volcanoes are there all together in the world?


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February 18, 2011 3:59AM

There are seven super volcanoes (or megacaldera) in the world.

  1. Yellowstone,
  2. Long Valley, and
  3. Valles Calderas in the United States;
  4. Lake Toba, North Sumatra, Indonesia;
  5. Taupo Volcano, North Island, New Zealand;
  6. Aira Caldera, Kagoshima Prefecture, Kyūshū, Japan; and the
  7. Siberian Traps, Russia.

There are actually 22 but most are inactive.