One witness described the event as an 'enormous ball of light in the sky,' as scientists say remains of the meteorite may have landed north of Innoko River.
Scientists with the USGS Alaska Volcano Observatory worked with researchers from the University of Alaska Fairbanks Geophysical Institute to investigate the cause. They found the meteor passed over Alaska around 40 miles from the Athabaskan community of Kaltag, which sits on the Yukon River.
In a blog post for the American Geophysical Union, UAF science writer Ned Rozell said witnesses reported the fireball in regions hundreds of miles apart. One resident of Ruby described it as an"enormous ball of light in the sky," saying it was moving north to south. Another resident said it looked like"fireworks" that split into four dots.
David Fee, head of the infrasound program at UAF's Geophysical Institute and researcher with the AVO, said he believes the meteor exploded somewhere east of Kaltag."I typically don't work on meteors, but they are often really nice infrasound sources to help better understand the performance of our networks, and I think provide valuable information on meteors and bolides themselves," he said.Meteors are small bits of space rock that enter Earth's atmosphere.
Over a dozen meteors are thought to hit Earth's atmosphere every day. So far this year, the American Meteor Society has recorded more than 570 events where there were more than five sightings. This includes a fireball passing over California on October 23, which was reported by 81 people. Witnesses described the fireball as being almost as bright as the moon. One onlooker said it was the"most amazing" thing they had ever seen.
Stock image representing a meteor. A fireball above Alaska set off volcano sensors during a recent event, the USGS said.
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