Earthquakes in Wisconsin

Wisconsin is one of the least seismically active states, resting on ancient, stable bedrock far from any plate boundary. Genuine tectonic earthquakes are rare and small; when the ground shakes, it draws outsized attention precisely because Wisconsinites so seldom feel it.

This page tracks live USGS seismic activity across Wisconsin — 6 cities including Milwaukee, Madison, Green Bay. The map and list above update continuously; open any city for a closer view with its own recent-quake and felt-radius detail.