Recovery of piezometer (IMAGE) UiT The Arctic University of Norway Caption Retrieving the pressure tool, piezometer, which was monitoring the methane release from the ocean floor sediments. Photo: Screenshot from video. Credit Przemyslaw Domel Usage Restrictions None 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.