A new analysis of earthquake rupture directivity provides essential insights for seismic hazard and risk assessments in urban ...

Recent earthquakes that have shaken California may be a result of a Southern California fault line considered even more dangerous than the San Andreas fault. Los Angeles was rattled by a 4.4 ...

These plates move slowly, but can cause earthquakes and volcanoes where they meet. The seismic waves produced by an earthquake are monitored and tracked. The Earth is almost a sphere. These are ...

The Pacific Northwest typically experiences three types of earthquakes: Shallow fault quakes: Ruptures in faults located in the upper 18 miles of the Earth's crust. These earthquakes typically ...

The longer the fault goes without a significant quake, though, the more pressure it builds up, Hellweg said. And the widespread myth that small earthquakes release some of this tension isn’t true. The ...