Ring of Fire 2006 Expedition. Diving at NW Rota-1 Brimstone Pit.
Sulfur balls ejected from an active vent and hydrothermal fluids and gases.
Image ID: expl1262, Voyage To Inner Space - Exploring the Seas With NOAA Collect Credit: Image courtesy of Submarine Ring of Fire 2006 Exploration, NOAA Vents Program
