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 ...

Scientists from The Australian National University (ANU) have analyzed signals generated by the vibrations of traffic along ...

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

California's northern temperate coastline is a beautiful and bracing geography full of peaceful natural landscapes. This ...

Supershear earthquakes are more common than previously believed, some scientists say — carrying potentially profound risk for ...

Scientists compared sediment deposits created by underwater landslides from earthquakes within the Cascadia Subduction Zone ...

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

Dwayne Johnson as Raymond Gaines in San Andreas Image via Warner Bros. Dwayne Johnson, aka "The Rock," is earning plaudits ...

Geologic clues reveal a hidden link between two major faults. A Cascadia quake might set the San Andreas in motion soon after ...

Two of the biggest fault lines in the world are synched together in a way that could lead to disastrous consequences, ...

OSU researchers find Cascadia Subduction Zone and San Andreas Fault may be synchronized — with the potential for quakes on ...