Southern California was rocked by a trio of earthquakes in just hours. Two of the quakes struck in 10 minutes, with tremors ...

Some earthquakes are followed by a larger earthquake, in which case the first quake would then be called a foreshock. For ...

Since Thursday, at least 131 earthquakes have been recorded — as small as magnitude 0.2 and as big as magnitude 4 — in the ...

A 3.6-magnitude earthquake shook parts of Southern California, the U.S. Geological Survey reported. The about 10-mile deep quake hit about 6 miles southwest from Idyllwild in Riverside County shortly ...

Experts have issued an urgent warning regarding a supposed upcoming earthquake known as 'The Big One'. Scientists explained that the earthquake could have a magnitude of around 7.7 on the Richter ...

A Virginia Tech study warns of a potential mega-tsunami along the US Pacific Coast, triggered by a major earthquake in the ...