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1942 Eruption

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Geology and History of Mauna Loa

Mauna Loa is the largest active volcano on Earth. Mauna Loa is in the shield-building stage of Hawaiian volcanism, a period when the volcanoes grow most rapidly, adding as much as 95 percent of their ultimate volume.
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Geology and History of Mauna Loa

Mauna Loa is the largest active volcano on Earth. Mauna Loa is in the shield-building stage of Hawaiian volcanism, a period when the volcanoes grow most rapidly, adding as much as 95 percent of their ultimate volume.
Learn More

1942 – A Secret Eruption of Mauna Loa

Mauna Loa's "secret" eruption began on April 26, 1942.
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1942 – A Secret Eruption of Mauna Loa

Mauna Loa's "secret" eruption began on April 26, 1942.
Learn More
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