MISSOURI — Two small earthquakes rattled portions of southeast Missouri early Friday morning, occurring just minutes apart in one of the most historically significant seismic zones in North America.
While the Ozark Dome Region is not as seismically active as New Madrid, a recent earthquake recorded near Ohlman, Illinois ...
While California hogs the spotlight when it comes to earthquake warnings, there's a sleeping giant in the heart of America that most people don't even know exists. The New Madrid Seismic Zone (NMSZ), ...