A 5.0 magnitude Canada earthquake rattled Toronto, Ottawa, Montreal, and was felt in a number of U.S. cities including Chicago, Cleveland and Boston.
HuffPost World is working on a comprehensive map of where the earthquake was felt, based on news reports, comments on Facebook, replies on Twitter and emails we are getting.
DID YOU FEEL THE QUAKE? Help us map where the earthquake was felt by commenting below, tweeting us @HuffPostWorld, or emailing us at email@example.com!
Also, if you happened to catch the quake on video, let us know!
PIN KEY: RED -- epicenter; BLUE -- news source; GREEN -- HuffPost reader; YELLOW -- HuffPost commenter; TEAL -- Twitter and Facebook