The San Andreas Fault is the longest and fastest-moving, but over the next decade, Dr. Lucy Jones says it'll probably be one ...

A 4.2-magnitude earthquake has struck near Cloverdale in central California, shaking nearby Santa Rosa, too, the U.S.

For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and the San Andreas fault — operated on separate geologic stages. One dives, one ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

A specific type of earthquake that can cause particularly intense shaking is more common than previously believed, some scientists say — carrying potentially profound risk for communities across ...