“Dozens of people reported hearing a loud ‘explosion’ in the Washington D.C. area that shook houses and caused panic - though officials have not provided the cause of the loud bang.
Around 3:30 pm Sunday, social media users reported hearing a huge ‘bang’ in the city, with some saying it shook their homes.
That led to a flood of social media posts and speculation on the source, though none of it has been confirmed. Some suspected a sonic boom from a military drill nearby, while others suggested an earthquake. “