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News Release 10-065

Scientists Discover Underwater Asphalt Volcanoes

Impressive landmarks hidden for 40,000 years rise from sea-floor

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High-resolution bathymetry shows extinct asphalt volcanoes on the sea-floor off California.

High-resolution bathymetry shows extinct asphalt volcanoes on the sea-floor off California.

Credit: Dana Yoerger, WHOI


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Diagram showing formation of an asphalt volcano and associated release of methane and oil.

Diagram showing formation of an asphalt volcano and associated release of methane and oil.

Credit: Jack Cook, WHOI


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High-resolution bathymetry showing one of the extinct undersea asphalt volcanoes.

One of the extinct undersea asphalt volcanoes shown with high-resolution bathymetry.

Credit: Dana Yoerger, WHOI


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Photo of a slab from an asphalt volcano discovered on the sea-floor of the Santa Barbara Channel.

A slab from an asphalt volcano discovered on the sea-floor of the Santa Barbara Channel.

Credit: Oscar Pizarro, University of Sydney


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UCSB's Christopher Farwell, Sarah Bagby and David Valentine with a piece of asphalt volcano.

UCSB's Christopher Farwell, Sarah Bagby and David Valentine with a piece of asphalt volcano.

Credit: George Foulsham, UCSB


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