Ring of Fire 2006 Expedition. A degassing event at Brimstone started
releasing an escalating number of bubbles (probably CO2) as the plume cloud
increased in volume. Notice the pieces of sulfur at the base of the cloud.
Image ID: expl1558, Voyage To Inner Space - Exploring the Seas With NOAA Collect Credit: Submarine ROF 2006, NOAA Vents Program