Residents were left in shock after hearing a loud bang that set off car alarms and rattled windows around 3 p.m. Saturday. The explosive noise was heard in three counties: Dorset, Devon and Somerset.
A taxi driver in Jersey managed to film the object in what is believed to be the moment it enters the atmosphere.
The Defense Ministry said the blast was not related to RAF activity, while FlightRadar24 showed no military aircraft activity in the area.
The police were also taken aback and ruled out criminal activity.
Astronomer Will Gater believes that the bright light was a bolide meteor and has shared the audio of the boom.
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“I’ve seen it and people down to Dorset have heard it too.”
George Thorpe, in the town of Exminster, near Exeter, saw a “strange looking plane in the sky.”
He added: “I couldn’t get a picture because it was too cloudy and it disappeared pretty quickly, but it seemed capable of breaking the sound barrier.”
A sonic boom occurs when an object breaks the sound barrier, requiring a speed of 770 mph.
Meteorites are rocks that burn when they enter Earth’s atmosphere.
An estimated 48.5 tons of meteorite material falls on Earth every day, NASA says.
The British Geological Survey tweeted: “PROBABLE SONIC EVENT: SOMERSET, DEVON AND DORSET
“BGS has no evidence of any seismic events in the area as of approximately 3 pm today.
“However, the descriptions provided by members of the public are consistent with those who typically experience a sonic boom.”