Sonic Boom Caused Explosion-Like Noise Across DC Area, Officials Confirm

TL;DR
A loud explosion-like noise heard across the Washington D.C. area on Sunday afternoon was caused by an authorized Defense Department flight, resulting in a sonic boom. The emergency management agency in Annapolis, Maryland confirmed that the noise did not pose a threat to the public. The origin of the flight and which branch of the military was operating it is still unknown.
- Explosion-Like Noise Heard Across D.C. Area Was a Sonic Boom, Officials Say The New York Times
- Officials: ‘Loud boom’ heard in DC region caused by military flight WTOP
- Sonic Boom Heard Across DC Area; Homeland Security Says There Is ‘No Threat' NBC4 Washington
- Sonic boom heard in Annapolis caused by authorized flight, Office of Emergency Management says Baltimore Sun
- Large explosion noise heard across DC, Maryland and Virginia; possible sonic boom FOX 5 DC
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