From Washington: “UW scientists explore recently erupted deep-sea volcano (with video)”

Science Springs

U Washington

University of Washington

August 7, 2015
Hannah Hickey

When University of Washington oceanographers visited the deep-ocean Axial Volcano in late July, parts of the seafloor were still warm.

The team knew to expect changes in the mile-deep volcano 300 miles off the Oregon coast. This spring, seafloor seismometers connected to shore by a new Internet cable showed that Axial Volcano, a 3,600-foot-tall underwater volcano, started shaking April 24 and shook continuously for several days.

The recent visit, part of a larger cruise, was scientists’ first chance to see the site and explore what happened.

“It was a very large eruption,” said Deborah Kelley, a UW professor of oceanography who led the expedition on the UW’s Thomas G. Thompson research vessel. “The eruption itself was at least 7 kilometers long. We were just looking at one small lobe of this section of new ocean crust.”

The team got to explore the…

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