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.
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