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A Guide to Volcanoes

From Pompeii to Mount Pinatubo, volcanoes might have shaped Earth's surface, but also killed thousands. What makes magma burst from the ground as lava? Can scientists predict dangerous eruptions?

The Secrets of Supervolcanoes

MIcroscopic crystals of volcanic ash are revealing surprising clues about the world's most devastating eruptions

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Volcanoes: Nature's Way of Letting Off Steam

A slide show of eruptions and their impacts around the world

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