Underwater Bubbles (2 of 2) (IMAGE) Oregon State University Caption These are hydrate and methane bubbles at the site on the Astoria Canyon floor at 850 meters of water depth. Credit Oregon State University 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.