Hawaii's Mauna Loa starts to erupt, sending ash nearby
Last edited Mon Nov 28, 2022, 01:07 PM - Edit history (3)
Source: AP
HONOLULU (AP) — Hawaii’s Mauna Loa, the world’s largest active volcano, began spewing ash and debris from its summit, prompting civil defense officials to warn residents on Monday to prepare in case the eruption causes lava to flow toward communities.
The eruption began late Sunday night in the summit caldera of the volcano on the Big Island following a series of closely spaced, fairly large earthquakes, Ken Hon, the scientist-in-charge at the Hawaiian Volcanos Observatory, said at an early morning news conference.
Magma moved to the surface, although lava flows were contained within the summit area and weren’t threatening nearby communities. A time-lapse video of the eruption from overnight shows molten lava lighting up the caldera, moving across it like waves on the ocean.
There have been some photos provided to the Hawaiian Volcano Observatory that suggest that the south end of the caldera has overflowed, causing some lava flows a few kilometers (miles) out of the caldera, Hon said. In some previous eruptions, lava has overflowed the caldera but never made it close to populated areas.
Read more: https://apnews.com/article/hawaii-volcano-mauna-loa-erupting-live-updates-7cbdb4d597468702210bc31ef8e0a58c
Article updated.
Previous update -
Early Monday, it said lava flows were contained within the summit area and weren't threatening nearby communities. "However, lava flows in the summit region are visible from Kona. There is currently no indication of any migration of the eruption into a rift zone," the Hawaiian Volcano Observatory said in a statement.
A rift zone is where the mountain is splitting apart, the rock is cracked and relatively weak and it's easier for magma to emerge. How long the volcano erupts and whether it could cause lava to flow to populated areas of the island is impossible to predict, said Miel Corbett, a USGS spokesperson.
"But I can tell you, we're in constant communication right now with Hawaii Civil Defense, and they're providing updates to community members," she said. The USGS warned residents at risk from Mauna Loa lava flows should review their eruption preparations. Scientists had been on alert because of a recent spike in earthquakes at the summit of the volcano, which last erupted in 1984.
Original article -
The eruption began late Sunday night in the summit caldera of the volcano on the Big Island, the U.S. Geological Survey said. Early Monday, it said lava flows were contained within the summit area and weren't threatening nearby communities.
The agency warned residents at risk from Mauna Loa lava flows should review their eruption preparations. Scientists had been on alert because of a recent spike in earthquakes at the summit of the volcano, which last erupted in 1984.
Mauna Loa, rising 13,679 feet (4,169 meters) above sea level, is the much larger neighbor to Kilauea volcano, which erupted in a residential neighborhood and destroyed 700 homes in 2018. Some of its slopes are much steeper than Kilauea's so when it erupts, its lava can flow much faster.
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