Seamount-X submarine volcano, approached from the southwest. Depths range from 1200 to 3800 meters (3936 to 12,464 feet). EM300 bathymetry data (~35 meter resolution at this water depth) are overlaid on MR1 data (100 meter grid-cell size). The data are 2.5 times vertically exaggerated. MR1 data courtesy of University of Hawaii. Fly-through movie courtesy of the NOAA Vents Program.