The National Weather Service said that a meteor explosion was the presumptive cause of a loud boom and tremors near Pittsburgh on New Year’s Day.
According to the National Weather Service meteorologist Shannon Hefferan, satellite data recorded a flash over Washington County, southwest of Pittsburgh and Allegheny County, shortly before 11:30 am on Saturday.
On Saturday, 1 January, residents of the region reported a loud explosion with windows rattling or things in their homes shaking.