A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma ...

Southern Washington, northern Oregon, and northern California are the regions which are most vulnerable to flooding from a ...

Scientists are warning of a potentially catastrophic mega-tsunami that could strike parts of the US Pacific Coast, triggered ...

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 ...

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 ...

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 ...