Friday morning's earthquake was felt from New York City all the way to Washington, DC. Blame ancient fault lines and bedrock for the jolt.
https://www.wired.com/story/why-the-east-coast-earthquake-covered-so-much-ground/?utm_source=dlvr.it&utm_medium=blogger
https://www.wired.com/story/why-the-east-coast-earthquake-covered-so-much-ground/?utm_source=dlvr.it&utm_medium=blogger