Acidic liquid carbon dioxide bubbles rise out of the sea floor at NW Eifuku volcano. To avoid destroying camera lenses and plastic fittings on the remotely operated vehicle (ROV) Jason, the vehicle kept a safe distance from the rising CO2 bubbles. The inset (upper right) shows a few of the liquid CO2 bubbles photographed from a safe distance. Image courtesy of Submarine Ring of Fire 2006 Exploration, NOAA Vents Program