Global Volcanism Program | Image GVP-11696
Minami Kasuga (South Kasuga) submarine volcano is seen in this bathymetric image, looking from the SW with 2x vertical exaggeration. Bathymetic contours are overlain on SeaBat data courtesy of Koichi Nakamura (National Institute of Advanced Science and Technology, Japan). It rises from about 3,000 m depth to within about 170 m of the sea surface. Two smaller cones are located low on the eastern flank. Active hydrothermal fields are located at the summit of and lower flanks.
Image courtesy of NOAA vents program, 2006 (http://oceanexplorer.noaa.gov/explorations/06fire).
This image is made available as a Public Domain Work, but proper attribution is appreciated.