Champagne vent at NW Eifuku volcano, where bubbles of liquid CO2 escape from the white chimneys and surrounding seafloor. The chimneys are ~20 cm (8 in) across and ~50 cm (20 in) high, venting fluids at 103ºC (217ºF). Image courtesy of Submarine Ring of Fire 2004 Exploration, NOAA-OE.
