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YellowStone, Wyoming, USA
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Magma chamber is 40kmwide and 8km deep
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Last eruption 63,000years ago
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Hugepyroclastic flow would travel thousands kilometres from Yellowstone, destroyingeverything in its path – 87,000people immediately killed
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Huge amounts (1000km3)of rock, ash + lava would be released
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Ash would blockout sunlight meaning less heatenergy gets to earth and can trigger a miniice age
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Ash wouldcover fields of crops, meaning lessfood so people starve
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Sulphur emissions cause a drop of 12o in the NH
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