What Earth would look like if Yellowstone's supervolcano erupted

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The initial eruption would incinerate everything within a 50-mile (80km) radius, with pyroclastic flows burying towns like Pompeii.

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While the blast would be massive, lava flows would initially spread no more than 40 miles (64km) before the ground collapses into a massive crater.

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The eruption would release 875,000 megatons of TNT energy, over 100 times more powerful than all nuclear bombs ever dropped combined.

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Ash clouds would travel up to 932 miles (1,500 km), covering cities from Los Angeles to Miami, choking the air and disrupting transportation

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Sulfur dioxide in the atmosphere would block sunlight, causing temperatures to drop by 2.7°C to 10°C (4.86-18°F), affecting global agriculture.

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Supervolcanoes eject massive pyroclastic flows, racing at hundreds of meters per second, burying landscapes under meters of molten rock.

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As the Earth's crust gives way, more magma could be ejected, leading to an even more catastrophic secondary eruption

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