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
Also known as: Katmai-Novarupta
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...
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