Each New England state felt Monday's 3.9-magnitude earthquake, but here's how far the quake was felt across the region.
N​early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.
The earthquake, centered off the coast of Portsmouth, was felt hundreds of miles away from the epicenter.
An earthquake off the coast of Maine rattled parts of Massachusetts around 10:22 a.m. Monday morning. According to data from ...