Pacific Ring of Fire Expedition. ROPOS was covered in sulfur droplets after itsclose encounter with sulfur, rocks and ash at Brimstone Pit.
Date: 2004 April
Credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist
Location: Mariana Arc region, Western Pacific Ocean
Subject: Ocean exploration