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Volcanoes

Volcanoes . Jessica Redmond. What is a super volcano?. A Super Volcano or a super volcanic eruption is an eruption that ejects greater than 240 cubic miles . . When and where? . The last one was in Sumatra, called Toba. It erupted about 75,000 years ago.

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Volcanoes

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  1. Volcanoes Jessica Redmond

  2. What is a super volcano? • A Super Volcano or a super volcanic eruption is an eruption that ejects greater than 240 cubic miles.

  3. When and where? • The last one was in Sumatra, called Toba. • It erupted about 75,000 years ago. • 10 thousand times bigger than MT. st Helens.

  4. What did the eruption cause? • Deforested most of central India. • 800 cubic kilometers of ash into the atmosphere, leaving a crater which is now the largest volcano lake.

  5. Yellowstone Volcano? What evidence is there that it is active? • Not your typical volcano because of size, scale, and frequency of eruption. • The magma is as close as 5 miles underground in some spots, which fuels thousands of spewing geysers, hissing steam vents, gurgling mud spots, and steaming hot springs.

  6. Volcano in Mexico • Called Paricutin • Began as a fissure in a cornfield. • Erupted for over 9 years. • Got as big as 1,309.08 ft.

  7. The biggest volcano on earth. • Mauna Loa. • One of the 5 volcanoes that make up the Big Island of Hawaii. • Scientists think it has been erupting for over 700,000 years. • It erupted last in 1984 and destroyed homes and villages.

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