Scientists have recorded the deepest erupting volcano yet discovered--West Mata Volcano--located 4,000 feet below the surface of the Pacific Ocean, in an area bounded by Fiji,Tonga and Samoa.
The imagery includes large molten lava bubbles three feet across bursting into cold seawater, glowing red vents exploding lava into the sea, and the first-observed advance of lava flows across the deep-ocean floor. Sounds of the eruption were recorded by a hydrophone and later matched with the video footage.