volcanoes jessica redmond. what is a super volcano? a super volcano or a super volcanic eruption is...
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Volcanoes
Jessica Redmond
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What is a super volcano?
• A Super Volcano or a super volcanic eruption is an eruption that ejects greater than 240 cubic miles.
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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.
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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.
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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.
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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.
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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.