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Underwater volcano-like structure is spewing gas off Alaska's coast, US Coast Guard says

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Summary
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83% Informative

Scientists working with the U.S. Coast Guard have discovered a 1,640-foot-tall structure that looks like an underwater volcano.

The structure may be spewing gas, based on data collected from the water above it.

It is 5,250 feet ( 1,600 m) deep at its shallowest point, meaning it poses no risk to navigation.

There is currently little to no information available about the structure to draw conclusions from.