Champagne vent at NW Eifuku was discovered in 2004 and was found to be venting gas-rich hydrothermal fluid and droplets of liquid CO2 from the seafloor. In 2006, Champagne vent is still active and we are now studying the effects of the high levels of CO2 on the surrounding colonies of chemosynthetic mussels. Video courtesy of Submarine Ring of Fire 2006 Exploration, NOAA Vents Program.
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