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Where Is the World's Largest Volcano by Volume?
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Quick Answer
Mauna Loa in Hawaii is the largest active volcano on Earth by volume and area.
The Full Story
Mauna Loa, on the Big Island of Hawaii, is the world's largest active volcano. Measured from its base on the ocean floor, it rises about 9,170 metres (taller than Everest from base to peak) and has an estimated volume of 75,000 cubic kilometres. It covers about half of the Big Island's surface. Mauna Loa has erupted 33 times since 1843, most recently in November–December 2022. Tamu Massif, an underwater shield volcano in the Pacific, is larger in footprint but is considered extinct.
Key Facts
1.Mauna Loa's summit caldera, Moku'āweoweo, is about 6.2 km long.
2.The volcano's weight has depressed the ocean floor by about 8 km.
3.Mauna Loa erupts less frequently than neighbouring Kīlauea but produces larger lava flows.
YouTube Angle
Suggested video title for this topic:
"Mauna Loa — The Massive Volcano You Can't See Half Of"