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Mauna Loa(mou`nə lō`ə), mountain, 13,680 ft (4,170 m) high, in the south central part of the island of Hawaii, in Hawaii Volcanoes National ParkHawaii Volcanoes National Park,
209,695 acres (84,926 hectares), on Hawaii island, Hawaii; est. 1916. The park contains two of the most active volcanoes in the world—Kilauea with its fire pit, called Halemaumau, and Mauna Loa with the active Mokuaweoweo crater on its
..... Click the link for more information. . Its many craters include Kilauea and Mokuaweoweo, two of the world's largest active craters. Mauna Loa has erupted three times (1942, 1949, 1975) since its period of greatest activity in 1881. Its lava flows have reached the sea.
(Hawaiian literally “long mountain”), an active shield volcano on the island of Hawaii. Elevation, 4,170 m. If the elevation of its underwater foundation, which lies at a depth of about 4,500 m, is taken into account, it is the earth’s highest volcano and largest in volume. Mauna Loa is composed of basalts. It has gentle slopes and a crater measuring about 6.5 km in circumference. Eruptions are frequent, with the last powerful one occurring in 1950. During eruptions a lava lake appears in the crater and lava flows pour out onto the slopes through cracks. The windward northern and northeastern slopes are covered by greatly diminished tropical rain forests. The leeward slopes are covered by sparse forests and savannas. There are plantations of pineapples, bananas, sugar-cane, and coffee trees on the volcano. It is the site of the Hawaii Volcanoes National Park, where tropical flora is preserved. A volcanologic station is situated on Mauna Loa.