While California and Alaska dominate conversations about earthquakes in the U.S., there's another seismic threat that could ...

Iowa’s southern counties are on alert as the New Madrid Seismic Zone, known for massive earthquakes, looms nearby, ...

The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 ...

A minor, 3.7-magnitude earthquake struck in Southern California on Thursday. It was followed by a larger, 4.3-magnitude quake ...