Earthquake strikes off New England coast; shaking felt in Boston area

YORK HARBOR, Maine -- A 3.8 magnitude earthquake struck off the coast of New England on Monday morning with shaking felt in Portsmouth, New Hampshire, and an hour away in Boston.

The quake was centered 10 kilometers southeast of York Harbor, Maine.

Homes and businesses in Concord, Massachusetts, reporting feeling the quake, according to local police.

"Earthquakes are unusual but not unheard of along the Atlantic Seaboard," the U.S. Geological Survey said.

This is a developing story. Please check back for updates.