Emergency crews went on alert as Hawaii’s Mauna Loa, the largest active volcano in the world, erupted for the first time in nearly 40 years
US authorities say flows of lava remained"contained" within the summit area of Mauna Loa, but the eruption could pose a threat to nearby residents should conditions change.
Lava is erupting from the Mauna Loa summit and overflowing from the caldera. — Ken Hon/USGS Volcanoes Emergency crews went on alert as Hawaii's Mauna Loa, the largest active volcano in the world, erupted for the first time in nearly 40 years, authorities in the United States have said.large depression at the mouth of a volcano — of Mauna Loa, but the eruption could pose a threat to nearby residents should conditions change, the United States Geological Survey reported at 11:45 pm local time Sunday , some 15 minutes after the eruption inside the Hawaii Volcanoes National Park.
"At this time, lava flows are contained within the summit area and are not threatening downslope communities," the USGS said on its website, noting that residents of the area should review preparedness procedures.The most recent eruption, in 1984, lasted 22 days and produced lava flows which reached to within about seven kms of Hilo, a city which is home to about 44,000 people today.
While the latest eruption on the main island of the remote US state in the Pacific remains confined within the basin at the top of the volcano, called the caldera, "if the eruptive vents migrate outside its walls, lava flows may move rapidly downslope," according to the USGS.Webcams for the volcano can be found at
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