West Rota submarine volcano, approached from the southwest, flying up to the caldera and ending up northeast of the volcano. Depths range from 304 to 3226 meters (997 to 10,591 feet). EM300 bathymetry data (~25 meter resolution at this water depth) are overlaid on SeaBat data (~50 meter resolution at this depth). The bathymetry data are 2.5 times vertically exaggerated. SeaBat data courtesy of Yoshihiko Tamura, Jamstec. Fly-through movie courtesy of the NOAA Vents Program.