This powerful underwater volcano erupting in the south Pacific created a new island off the coast of Tonga. Tonga, a 170-island archipelago between Australia and Tahiti, is part of the Pacific "ring of fire" - an arc of earthquake and volcanic zones stretching from Chile in South America through Alaska and down through Vanuatu to Tonga.
Underwater Antarctic volcanoes discovered in the Southern Ocean.Scientists from British Antarctic Survey (BAS) have discovered previously unknown volcanoes in the ocean waters around the remote South Sandwich Islands.Using ship-borne sea-floor mapping technology during research cruises onboard the RRS James Clark Ross, the scientists found 12 volcanoes beneath the sea surface - some up to 3km high. They found 5km diameter craters left by collapsing volcanoes and 7 active volcanoes visible…
Mount Shindake erupted earlier today and residents of the island have been evacuated. Aerial images show plumes of smoke and there are reports of pyroclastic flows - currents of rock and gas - reaching the shore
The July 12 explosion of the 3,500-foot (1,067-meter) Okmok Volcano on Umnak Island, Alaska spewed ash and sulfur dioxide 50,000 feet (15,240 kilometers) high, and the materials have since formed into a large mass hovering above the North Pacific. The new eruption is more intense than the volcano's past three major events in 1945, 1958, and 1997. This explosion is uniquely water-rich, due to the mixing of rising magma and shallow groundwater.
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