Sonic booms were a normal occurrence in the 50s-60s in So CA, now they’re far and few between and people freak out.
Would a sonic boom be reported across 6 counties, though? NWS Birmingham suggested it might be a meteor, too.
https://twitter.com/NWSBirmingham
I lived there back then in the TV commercial said that was the sound of freedom boom boom! Sorry lousy Android speech to text...