Methane bubbles flow in small streams out of the sediment on an area of seafloor offshore Virginia north of Washington Canyon.  Quill worms, anemones, and patches of microbial mat can be seen in and along the periphery of the seepage area.
Methane Bubbles
Image courtesy of NOAA Ocean Exploration, 2013 ROV Shakedown and Field Trials in the U.S. Atlantic Canyons. Download larger version.

Methane bubbles flow in small streams out of the sediment on an area of seafloor offshore Virginia, north of Washington Canyon. Quill worms, anemones, and patches of microbial mat can be seen in and along the periphery of the seepage area.

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