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Move over, Mauna Loa Volcano: Earth’s largest volcano discovered and other volcano facts

Tamu Massif volcano

Tamu Massif volcano

For more than a century – since its first documented eruption in 1843 – Mauna Loa Volcano in the Hawaiian Islands has been considered Earth’s largest volcano. But although Mauna Loa makes up half of the big island of Hawai’i and rises 56,000 feet from base to summit, it just lost its title. The new champ, named Tamu Massif Volcano and located under the Pacific Ocean about halfway between the Hawaiian Islands and Japan, isn’t measured in thousands of feet: it’s 120,000 square miles. That’s about the size of New Mexico, or around the same size as the British Isles. Here are some details on the new discovery and some other fun volcano facts. Read more