In June 1950 a 23-day flow from a 13-mile (21-km) fissure in the southwest rift destroyed a small village. military planes dropped bombs in attempts (that were partially successful) to divert the path of lava flows that threatened the city of Hilo. Many of its eruptions are confined within Moku‘āweoweo Caldera others are lower flank eruptions along northeast or southwest fissure zones. Frequently snowcapped in winter, Mauna Loa is a shield volcano that has erupted some three dozen times since its first well-documented eruption in 1843. Moku‘āweoweo, its summit caldera, has an area of nearly 6 square miles (15 square km) and a depth of 600 feet (180 metres). Its dome is 75 miles (120 km) long and 64 miles (103 km) wide. One of the largest single mountain masses in the world, Mauna Loa (meaning “Long Mountain” in Hawaiian) rises to 13,677 feet (4,169 metres) above sea level and constitutes half of the island’s area. Mauna Loa, the world’s largest volcano, located on the south-central part of the island of Hawaii, Hawaii state, U.S., and a part of Hawaii Volcanoes National Park. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!Ĭlassify volcanic eruptions according to the physical and chemical properties of their magma See all videos for this article.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.
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