Mauna Loa Erupts After 38 Years
December 8, 2022
Dynamic scenes of Mauna Loa, the largest active volcano in the world erupting for the first time since 1984. The eruption began in Mokuʻāweoweo, the summit caldera of Mauna Loa, around 11:30 p.m. HST on November 27, 2022.
After several hours, new fissures opened some distance away from the summit along the Northeast Rift Zone. Soon after, the summit fissures stopped erupting.
By December 2, 2022 the eruption was limited to fissure 3 along the Northwest Rift Zone. Fissure 3, the only active fissure, was producing between 50 and 100 cubic yards of lava per second, flowing down slope and out of the park to the north towards Daniel K. Inoye State Highway 200 (Saddle Road).
Mauna Loa is within the Hawai‘i Volcanoes National Park t that protects some of the most unique geological, biological, and cultural landscapes in the world. Extending from sea level to 13,677 feet, the park also encompasses the Kīlauea summit that joins Mauna Loa as among the worlds most active volcanoes.
Image created by USA Patriotism! from U.S. Geological Survey photos by Matt Patrick, F. Trusdell, and L. Gallant.
Video > Mauna Loa Volcano Erupting
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