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Watching an Undersea Volcano

This past April, a group of oceanographers was part of an expedition off the coast of the Northern Mariana Islands in the Pacific Ocean. They were studying various aspects of the Mariana volcanic arc. While on board their ship, they witnessed the underwater eruption of a volcano. NPR's Michele Norris talks with Dave Butterfield, one of the oceanographers who witnessed the eruption.

Copyright 2004 NPR

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