Bacteria from a Coal Bed 2 Km below the Pacific Ocean Floor off Japan (image) Deep Carbon Observatory Share Print E-Mail Caption This is a species of Methanobacterium, which produces methane. Found in samples from a buried coal bed 2 km below the Pacific Ocean floor off the coast of Japan, this specimen was retrieved during an Integrated Ocean Drilling Program (now the International Ocean Discovery Program) expedition aboard the Drilling Vessel Chikyu. Bar represents 10 μm (micrometers, or 0.0004 inch). A high-resolution version of this image is available. Contact email@example.com Credit Hiroyuki Imachi (Japan Agency for Marine-Earth Science and Technology (JAMSTEC) Usage Restrictions None Share Print E-Mail 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.