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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

Where will Mauna Loa erupt?

It's been nearly 25 years since Mauna Loa, Hawaii's most dangerous volcano, last erupted—but researchers warn that another eruption may be on the horizon.

November 6, 2008 — Christie Nicholson

Tonga volcano spews spectacular plume into South Pacific sky

An undersea volcano in the South Pacific is spewing stunning columns of smoke, steam and ash thousands of feet into the air.   The eruption began Monday after a series of earthquakes near Tonga, a 170-island archipelago between Australia and Tahiti, residents told the Associated Press.

March 19, 2009 — Jordan Lite

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