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These eruptions have taken place from the main caldera and fissures along rift zones. They are generally fluid ( VEI -0) Hawaiian eruptions but more violent eruptions have occurred throughout Mauna Loa's eruptive history, with the largest recorded explosive eruptions having taken place in the 19th century.
Kīlauea, was in near-continuous eruption on its East Rift Zone from January 3, 1983, to September 4, 2018, making it the longest-lived rift-zone eruption of the last six centuries. [13] Mauna Loa: Big Island: 2022-ongoing (active) [14: 700,000–1 million [15]
Mauna Loa is a shield volcano with relatively gentle slopes, and a volume estimated at 18,000 cubic miles (75,000 km 3), [5] although its peak is about 125 feet (38 m) lower than that of its neighbor, Mauna Kea. [6] Lava eruptions from Mauna Loa are silica-poor and very fluid, and tend to be non-explosive.
In the U.S. and its territories, there are 161 potentially active volcanoes, including Mauna Loa. According to the U.S. Geological Survey, there are around 1,350 potentially active volcanoes ...
At least 17 major landslides have occurred around the major Hawaiian islands. This stage is arguably the most well-studied, as all eruptions that occurred in the 20th century on the island of Hawaii were produced by volcanoes in this phase. [4] Mauna Loa and Kīlauea volcanoes are in this phase of activity.
It has erupted 33 times since the first recorded eruption in 1843. Credit: United States Geological Survey via Storyful Timelapse Shows Mauna Loa Eruption in Hawaii [Video]
The first eruption in 38 years of Mauna Loa, the world’s largest active volcano, is drawing visitors to Hawaii Volcanoes National Park, which is open 24 hours a day. “The viewing has been ...
The 2022 eruption of Mauna Loa was an episode of eruptive volcanic activity at Mauna Loa, the world's largest active volcano, located on Hawaiʻi island, Hawaiʻi. Mauna Loa began to erupt shortly before midnight HST on November 27, 2022, when lava flows emerged from fissure vents in Moku‘āweoweo (Mauna Loa's summit caldera ).