Deep-sea hydrothermal vent (IMAGE) Portland State University Caption Image 2. Deep-sea hydrothermal vent chimneys on Brothers volcano Northwest Caldera Wall. Image courtesy of Anna-Louise Reysenbach, NSF, ROV Jason, and 2018©Woods Hole Oceanographic Institution. Credit Anna-Louise Reysenbach Usage Restrictions By permission. 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.