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![Pacific Ring of Fire Expedition expl0099.jpg Pacific Ring of Fire Expedition](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expl0099.jpg?itok=Aj3coROR)
Description
Pacific Ring of Fire Expedition. A hydrothermal vent site near the summitof the volcano. Hot water is percolating out of the rocks and sediments in this area. The light colored objects in the lower right are sulfur rocks. (Image credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist)