After initial reports of a magnitude of 4.1. – and then 3.9 – earthquake striking the area, it was later confirmed that a 3.8 magnitude earthquake struck off the coast of New England on Monday morning. A USGS map showing that the shaking was felt in Portsmouth, New Hampshire, Rhode Island, and an hour away in Boston, MA. The U.S. Geological Survey wrote on X  “today’s M3.8 near Bar Harbor, Main, reminds us that earthquakes are unusual but not unheard of along the Atlantic Seaboard. If you felt it, or are in the area and didn’t feel it, please let us know!”

According to the United States Geological Survey, the earthquake was 10 kilometers southeast of York Harbor, Maine, occurring at 10:22 a.m. According to local police, homes and businesses in Concord, Massachusetts, reporting feeling the quake. The depth of the earthquake was more than eight miles underground, according to the USGS.  There was no tsunami threat to New England, per the U.S. National Tsunami Warning Center.

John Ebel, a senior scientist with the Weston Observatory at Boston College, told WBZ-TV: “This is like a once-in-every-five-years kind of earthquake. We don’t sit on any active fault lines. But again for our area [it] is really significant.”

The event on Monday was the strongest earthquake measured in the northeastern United States since April, when a 4.8-magnitude earthquake struck near Lebanon, New Jersey. According to USGS records, that shaking was the most intense in the Northeast in more than a decade.

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