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In 2009, a video camera and a hydrophone were floating 1,200 metres (3,900 ft) below sea level in the Pacific Ocean near Samoa, watching and listening as the West Mata Volcano erupted in several ways. Putting video and audio together let researchers learn the sounds made by slow lava bursting and the different noises made by hundreds of gas ...
A list of active and extinct submarine volcanoes and seamounts located under the world's oceans. There are estimated to be 40,000 to 55,000 seamounts in the global oceans. [1] Almost all are not well-mapped and many may not have been identified at all. Most are unnamed and unexplored.
Kolumbo is an active submarine volcano in the Aegean Sea in Greece, about 8 km northeast of Cape Kolumbo, Santorini island. The largest of a line of about twenty submarine volcanic cones extending to the northeast from Santorini, [1] it is about 3 km in diameter with a crater 1.5 km across. [2]
At that time the vent of the volcano was below sea level, but frequent eruptions ejected molten lava up to 70 m (230 ft) above sea level, and sulfurous steam plumes up to 500 m (1,600 ft). The team mapped a roughly conical feature rising from 1,100 m (3,600 ft) water depth, with the volcano having a basal diameter of about 8 km (5.0 mi).
The Devil's Doorway: The Nautilus is trapped by an undersea volcano. The Coral Maze: The Nautilus is lost in an underwater labyrinth. The Mine at the Bottom of the Sea: Mining manganese nodules becomes hazardous when the kids' mini-sub becomes disabled. Wild Water and Oil: An oil rig's submersible repair craft is trapped under the rig during a ...
A long-dormant underwater volcano near Antarctica may have erupted, triggering 85,000 earthquakes in the area. Research stations reported the swarm of earthquakes as early as August 2020. They ...
The second-largest volcano in Hawaii had been lying dormant for the last two months after bursting open in January and June this year. “The opening phases of eruptions are dynamic,” said USGS ...
A seamount is an underwater volcano; Davidson rises 7,480 ft (2,280 m) above the surrounding ocean floor. Although there are over 30,000 seamounts in the Pacific Ocean alone, only about 0.1% of them have been explored. [4] The aqueous environment of the seamount means that it behaves differently from volcanoes on land.
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