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Novarupta
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Novarupta lava dome Novarupta, Alaska
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Novarupta lava dome
Novarupta lava dome Novarupta, a lava dome in southern Alaska, was formed in June 1912, when tremendous amounts of ash, molten rock, and sulfur aerosols erupted from a vent near Mount Katmai.

Novarupta

volcano, Alaska, United States
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Also known as: Katmai-Novarupta
Written by
John P. Rafferty
John P. Rafferty writes about Earth processes and the environment. He serves currently as the editor of Earth and life sciences, covering climatology, geology, zoology, and other topics that relate to...
John P. Rafferty
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Also called:
Katmai-Novarupta
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Novarupta, volcanic vent and lava dome, southern Alaska, U.S., located at an elevation of 841 metres (2,759 feet) within Katmai National Park and Preserve. Its violent eruption, which began on June 6, 1912, and lasted 60 hours, is considered the largest volcanic eruption of the 20th century. Novarupta is a Latin word meaning “new break.” Over the course of the event, Novarupta ejected about 28 cubic km (about 6.7 cubic miles) of tephra (ash particles that later fall) some 32 km (20 miles) into the stratosphere. Ash fell in amounts up to 30 cm (1 foot) deep over an area ...(100 of 374 words)

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