The third game in Rockstar's 3D Grand Theft Auto trilogy, Grand Theft Auto: San Andreas, just turned 21 years old today.

Accidental landing of a research vessel in the San Andreas zone revealed the repeating patterns tribuldite in its core.

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

One of the most dangerous faults in the United States, the Cascadia Subduction Zone, may be able to trigger an earthquake on ...

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

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 cause the San Andreas fault in California to go off.

A retired scientist with the USGS worries about the impact the government shutdown is having on the agency's earthquake ...

“And if they both went off together, then you’ve got potentially San Francisco. Portland ... about 55 miles south of Cape Mendocino in California and into the San Andreas zone. They decided to drill a ...

Although Californians are relatively familiar with the San Andreas Fault, the Cascadia Subduction Zone is in many ways more dangerous. That fault, where the Juan de Fuca Plate is subsiding underneath ...