Underwater volcano eruptions fascinate us. One of the most powerful natural phenomena occurs when a volcano gets all pissed off and starts spewing fire. This can, and frequently does, happen underwater.
20 geological wonders of the world
Rough Guides rounds up 20 of the world's most awe-inspiring geological wonders, from kaleidoscopic volcanic rock to gold reefs.
Along ocean spreading centers, super-heated water pouring from deep hydrothermal vents deposits metals such as gold and copper. Norway has a section of spreading center within its boundaries and may try mining it.
Video has emerged of molten lava pouring into the ocean along the coastline between Waikupanaha and Hawaii Volcanoes National Park.