A newly identified link between two notorious geologic zones suggests a major earthquake at one site could trigger another ...

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

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

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

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

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San Andreas fault in California, scientists warned.

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

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and ...

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

A future mega-earthquake in the Pacific Northwest could lead to the “Big One” along the San Andreas fault in California—or ...

Geosphere, demonstrating the first evidence that the two faults have interacted repeatedly over thousands of years. The ...