Small chimneys on the floor of Nikko caldera. The venting is so prolific that the smoke often impedes visibility on the sea floor. Image courtesy of Submarine Ring of Fire 2006 Exploration, NOAA Vents Program
Small chimneys on the floor of Nikko caldera. The venting is so prolific that the smoke often impedes visibility on the sea floor. Image courtesy of Submarine Ring of Fire 2006 Exploration, NOAA Vents Program