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Supervolcanoes

An informational show about supervolcanoes and their potential destruction.
by

Emily Morgan

on 30 April 2010

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Transcript of Supervolcanoes

Double click anywhere & add an idea Supervolcanoes
History of Eruptions
600,000 years
Deadly, but not often. 74,000 years Huckleberry Ridge Specifications If bothered... Deadly combination Yellowstone WAY overdue SUPPOSE to blow at 600,000 Huckleberry Ridge Earthquakes? 1,000-2,000 a year 3.9 effect Precautions and Expectations Pointless precautions We've never seen one? A threat to civilization Half of U.S. covered Mount St. Helens 600,000 years 8 Absolutely nothing to help prevent eruptions
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