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![Pacific Ring of Fire Expedition expl0084.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_expl0084.jpg?itok=zGhPzatR)
Description
Pacific Ring of Fire Expedition. Three-dimensional view of the Maug Caldera (2 X vertical exagerration). Data acquired with an EM300 sonar system and griddedat 10 meter interval. Depth range from 241 to 25 meters (790-82 feet). On this expedition the survey of the Maug central lava dome was completed. (Image credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist)