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Special Report

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?

  • November 6, 2008

Moving Mountains

Volcanoes swell and collapse back down in what seem like great, heaving sighs. These movements may help scientists better predict eruptions

March 12, 2001 — Naomi Lubick