Incredible video close-up of a deep underwater volcanic eruption taken by a small remote-control submersible. Here’s more.
And news coverage:
In March 2004, a team of scientists from the National Oceanic and Atmospheric Administration sent a remotely operated research submarine named ROPOS to find some hot vents along the Mariana Arc volcanic chain.
“What we found was an eruption in progress,” said [one observer]. “We found this big pit with rocks and molten sulfur flying out. And we were sitting at the edge of this pit.”” (Fair and Impartial )