Mariana Trench (IMAGE) Oregon State University Caption The Mariana Trench and surrounding terrain is seen in this graphic. Credit Center for Coastal and Ocean Mapping - Joint Hydrographic Center 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.