Earthquakes in Massachusetts

Massachusetts lies within the stable continental interior, but New England has a documented history of felt earthquakes, including the strong 1755 Cape Ann quake offshore of Boston. Modern events are usually small, yet the efficient eastern crust spreads their shaking across a wide area.

This page tracks live USGS seismic activity across Massachusetts — 7 cities including Boston, Worcester, Springfield. The map and list above update continuously; open any city for a closer view with its own recent-quake and felt-radius detail.