Where were you when the earthquake happened? It was 7:12 p.m., when the 4.0 magnitude earthquake was felt throughout Boston, including the North End / Waterfront. The epicenter was about 30 miles from Portland, Maine at a depth of 3.1 miles. See the details on the U.S. Geological Survey website.
Worried? This will make you feel better. There were dozens of reported earthquakes today around the globe.
If you felt it, help a scientist and fill out the U.S. Geological Survey form.