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In Search of Megaplumes

Imagine volcanoes that erupt with giant spinning plumes filled with microbes and other life that spin like a discus for months. Welcome to the strange, almost completely unknown life of undersea eruptions.

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A little more than a year ago, on the night of February 9, the 170-foot research ship Wecoma headed west from the Oregon coast into darkening rough seas. Within hours, the ship was trying to make its way into a gale that drove rain horizontally across the decks. By the next day 45-knot winds were jacking waves up to heights of 30 feet, conditions that could easily have smashed smaller vessels.

The relentless pounding continued for days. Oceanographer Ed Baker remembers February 14 as the worst night of all. Waves crashed and roared over the deck, blurring sky and sea. Then the wind would suddenly change direction without warning, propelling rollers into the ship from an entirely new angle. The Wecoma pitched and bucked violently in unpredictable jerks. "What you can't appreciate until you're out there is the whipping motion," says Baker.

"If you're not holding on, you can get ...

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