Boiling of vent fluids is a relatively rare. Here, the manipulator arm of Pisces V holds a gas-sampling device over a vent where bubbles are streaming out of the seafloor. Image courtesy of New Zealand-American Submarine Ring of Fire 2005 Exploration, NOAA Vents Program.
Related Links
New Zealand American Submarine Ring of Fire 2005
New Zealand American Submarine Ring of Fire 2005: April 18 Log