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Mauna Loa


Mauna Loa, Hawaii - The largest volcano


Discover the Top of Mauna Loa


Mauna Loa Erupts 1950


Hawaii's Kilauea Volcano - Behind the News


Mauna Loa The World’s Biggest Volcano Is Waking Up And It’s Time To

Mauna Loa is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaiʻi in the Pacific Ocean. The largest subaerial volcano in both mass and volume, Mauna Loa has historically been considered the largest volcano on Earth, dwarfed only by Tamu Massif. It is an active shield volcano with relatively gentle slopes, with a volume estimated at approximately 18,000 cubic miles (75,000 km3), although its peak is about 120 feet (37 m) lower than that of its neighbor, Mauna Kea. Lava eruptions from Mauna Loa are silica-poor and very fluid, and they tend to be non-explosive.
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