People across the region felt a 3.8 magnitude earthquake that was centered off the coast of Maine in York Harbor. So how rare is such an occurrence in New England?

A magnitude 3.8 earthquake rattled parts of New England on Monday morning, with shaking felt from Boston to Portland, Maine, the US Geological Survey said. The quake was centered about 7 miles southeast of York Harbor,

An earthquake centered off the coast of Maine rattled the region Monday, causing light to moderate shaking in the state, as well as in parts of Rhode Island, Massachusetts, New Hampshire and Connecticut.