At the Seismological Society of America's Annual Meeting, researchers posed a seemingly simple question: how wide are faults?

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States ...

The app notifies users of earthquakes with magnitudes ... Hazards Program offers live earthquake maps, with filters by time, location, and magnitude. Users can select Vietnam or other regions of ...

In Africa, fault lines stretching across the continent pose serious risks, yet preparedness remains low.The recent earthquake in Myanmar has drawn fresh attention to global preparedness for natural ...

Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that follows a larger one ...