Australia’s new ocean-going research vessel Investigator has discovered extinct volcanoes likely to be 50 million years old about 250 kilometres off the coast of Sydney during a UNSW-led expedition.
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Rejuvenation of previously intruded silicic magma is an important process leading to effusive
rhyolite, which is the most common product of volcanism at calderas with protracted
histories of eruption and unrest such as Yellowstone caldera (Wyoming), Long Valley caldera
(California), and Valles caldera (New Mexico) in the United States.
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In Rotorua, Tunohopu Marae in Ohinemutu has been shut down this week after the eruption of a geyser in the women's toilets. Te Kāea reporter Mere McLean spoke to the marae chairwoman about the situation.
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Beginning about an hour after sunrise, going forward until 10-11am PDT, a long duration "cloud/steam" event occurred above the long dormant Sunset Volcanic Crater complex located in Central Arizona which is part of the "San Francisco Volcanic field".
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More than 6,000 residents living near the Mount Sinabung volcano on Indonesia's Sumatra island were told to evacuate Wednesday following a sharp increase in volcanic activity.
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A sudden volcano eruption on the small southern Japanese island of Kuchinoerabu-jima has forced authorities to raise the alert to the highest level and advise evacuation of the immediate area.
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A video is making the rounds as released by the Government of Ecuador
(shaky handcam video) of a private aircraft flyby of Wolf Volcano in the
Galapagos Islands. This volcano erupted unexpectedly yesterday (May 25, 2015), after being silent since 1982. After 33 years, a full eruption is now taking place.
Wolf volcano, which last erupted in 1982, is the largest volcano on the Ecuadorian archipelago made famous by Charles Darwin. A volcano in the Galapagos Islands, home to the world's only colony of pink iguanas, has erupted for the first time in more than 30 years.
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