Many of the state's largest earthquakes have struck near the junction, where the Pacific, North American and Gorda plates ...

The National Science Foundation funded work reveals unexpected brine deposits beneath the seafloor near the fault, which could change the way we conceptualize oceanic transform faults. The Gofar fault ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

When we think of earthquakes, we imagine sudden, violent shaking. But deep beneath the Earth's surface, some faults move in near silence. These slow, shuffling slips and their accompanying hum -- ...

At the Cascadia subduction zone in the Pacific Northwest, one tectonic plate is moving underneath another. New experimental work at UC Davis shows how rocks on faults deep in the Earth can cement ...

Teasing out just what is happening below the Earth's shifty surface during an earthquake is no simple feat, but scientists have found a new tool that may help get a clearer picture of the minute ...

A famous possession in which California takes no particular pride is the San Andreas Fault, a great crack in the bedrock that leads from the Mexican border to Point Arena, no miles northwest of San ...