Deep Arctic Ocean Methane Seeps 1 (IMAGE) UiT The Arctic University of Norway Caption Abundance of tube worms in the ocean floor surface imply release of methane gas from the sediments. Credit Courtesy of CAGE/UiT Usage Restrictions Image can be used by reporters in related news releases with proper accreditation. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.