Mauna Loa, one of the world’s largest active volcanoes, is erupting for the first time in 38 years on Hawaii’s Big Island.
The eruption began in Moku’āweoweo, the summit caldera of Mauna Loa, por aí 11:30 PM. local time on Sunday, according to the National Weather Service in Honolulu.
The Hawaii Emergency Management Agency said there have been “some reports of lava overflowing” into the southwest portion of the caldera, but said “there are NO indications” that the flow poses a threat to populated areas.
Enquanto isso, um Ashfall Advisory has been issued for the island through 10 sou. Monday morning, with up to a quarter-inch of ash expected downwind of the volcano, according to Hawaii EMA.
The NWS warned that winds may carry hazards such as volcanic gas, fine ash and “Pele’s hair,” a phenomenon named after the Hawaiian goddess of volcanoes that creates thin glass fibers during an eruption.
Hawaii County has opened shelters in Ka’u at the Robert Herkes Gymnasium in Pahala, and at the Old Airport Gymnasium at Kailua Park in Kailua-Kona, according to the Hawaii County Civil Defense Agency.
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Mauna Loa is coming off its “longest quiet period on record,” de acordo com os EUA. Geological Survey. The last eruption occurred em 1984, with lava flow that missed the largest population center of the island by 4.5 milhas.
Mauna Loa’s recent stretch of “heightened unrest” began in mid-September, according to the USGS. No momento, earthquakes around the volcano had increased from 10 para 20 per day to 40 para 50 per day.
Em outubro, the Hawaii Volcanoes National Parks Service closed the summit backcountry indefinitely “due to elevated seismic activity.”
Hazards typically associated with Mauna Loa eruptions include “voluminous, fast-moving lava flows,” volcanic gas, dense smog and “potentially large and destructive earthquakes,” according to the USGS.
“Mauna Loa typically erupts lava at a very high rate, similar to the 2018 eruption of Kīlauea,” the agency said on its website.
Approximately half of Mauna Loa’s eruptions “remain confined to [a] summit area” and do not threaten nearby communities, per the USGS.