Scientists are raising the alarm about a potential seismic catastrophe on the West Coast of North America. Recent studies ...

These are two very different fault systems, but the sediment record suggests that in the past, at least three San Andreas ...

Scientists have uncovered evidence that megaquakes in the Pacific Northwest might trigger California’s San Andreas Fault. A research ship’s navigational error ...

Down in California, the San Andreas Fault marks the boundary where the North American and Pacific plates are sliding past ...

San Andreas, Cascadia faults could combine to produce back-to-back earthquake disasters, new research suggests – Nation and ...

Although Californians are relatively familiar with the San Andreas Fault, the Cascadia Subduction Zone is in many ways more ...

The relationship between the sites means an earthquake in one zone can trigger an earthquake in the other in a phenomenon ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

With the Great ShakeOut earthquake drill approaching, new research suggests a potential link between two major fault lines ...

Scientists at Oregon State University say there's new evidence that two of the best-known earthquake fault lines on the West ...

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could ...

Thursday’s 3.1 magnitude earthquake was the latest of five notable aftershocks to hit Berkeley since a 4.3 magnitude ...