A recent study indicates a 15% chance of a magnitude 8.0 earthquake striking the Cascadia Subduction Zone within the next 50 years, potentially triggering a catastrophic mega-tsunami. This could ...

A preliminary magnitude 3.6 earthquake was recorded about six miles southwest of Idyllwild, according to USGS.

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 ...

Many suspect that California’s San Andreas Fault is brewing yet another major earthquake. However, it might not necessarily ...