What is a super volcano? A super volcano is the most destructive force on this planet. Only a few exist in the world and when they erupt they do so with a force tens of thousands of times greater than other eruptions. They lie dormant for hundreds of thousands of years as a vast reservoir of magma builds up inside them before finally they unleash their apocalyptic force, capable of obliterating continents. They threaten the survival of mankind. What happened during the last eruption of a super volcano? The last eruption of a super volcano was in Toba, Sumatra, 75,000 years ago. It had 10,000 times the explosive force of Mount St. Helens and changed life on Earth forever. Thousands of cubic kilometres of ash was thrown into the atmosphere - so much that it blocked out light from the sun all over the world. 2,500 miles away 35 centimetres of ash coated the ground. Global temperatures plummeted by 21 degrees. The rain would have been so poisoned by the gasses that it would have turned bla...
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