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

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

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 ...

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

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 ...

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

More than 100 small earthquakes have been recorded near the Geysers geothermal field in Northern California since just after ...

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

Two earthquakes struck different parts of Northern California early Thursday morning, according to the U.S. Geological Survey. The first, a 4.0-magnitude quake, hit at 5:48 a.m. about 5 miles ...

Two earthquakes struck different parts of Northern California early Thursday morning, according to the U.S. Geological Survey ...