Tuesday, November 28, 2017
Residents in Alabama were left baffled last week when a loud boom resounded across much of the state. The boom, nicknamed 'Bama Boom', has left experts stumped, with suggested causes ranging from supersonic aircrafts to meteors exploding in the atmosphere. This isn't the first time that the mysterious sound has been heard, and incidents are becoming more frequent according to some reports. This year alone, similar noises have been reported 64 times this year, in locations including Michigan, Lapland, St Ives, Swansea and Yorkshire. The Birmingham National Weather Service tweeted: 'Loud boom heard: we do not see anything indicating large fire/smoke on radar or satellite; nothing on USGS indicating an earthquake.' The service suggested that the sound was either caused by a sonic boom from aircraft, or a meteorite from the Leonid shower. But Nasa has since cast doubt on these explanations.
Speaking to ABC 3340, Bill Cooke, head of Nasa's Meteoroid Environment Office, said that the boom could have been caused by a supersonic aircraft, a ground explosion, or a bolide -- a large meteor that explodes in the atmosphere unrelated to the Leonid shower.
While the noise was picked up by the US Geological Survey, data suggests that the boom wasn't the result of an earthquake.
The boom may have been caused by a military flight by a supersonic jet, although the US Air Force is yet to confirm this.
The Bama Boom is just one of many mysterious booms heard worldwide this year.
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