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1984 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

March 25 - April 15, 1984 Eruption of Mauna Loa

The 1984 eruption of Mauna Loa ended a 9-year period of quiescence.
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March 25 - April 15, 1984 Eruption of Mauna Loa

The 1984 eruption of Mauna Loa ended a 9-year period of quiescence.
Learn More
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