In the Bay Area, BART plans to automatically slow down its trains and have them come to a brief stop, as the system is ...

People in government offices, businesses and schools throughout Riverside County next week will stop everything for a minute ...

Fears of the Big One striking Los Angeles have grown even more after it was revealed that one of the city's tallest buildings ...

Down in California, the San Andreas Fault marks the boundary where the North American and Pacific plates are sliding past ...

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

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

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

Researchers say there are at least three instances in the past 1,500 years when huge ruptures occurred on each rift just ...

When the tectonic subduction zone beneath the Pacific Northwest moves, it does so in dramatic fashion. Not only is ground shaking from a magnitude 9+ earthquake incredibly destructive, the event ...

A recent study suggests the Cascadia subduction zone and the San Andreas fault may be synchronized, with seismic activity on ...

It's almost time for the "Great ShakeOut" and there's a new study telling us about the "Big One" ahead of the earthquake ...

They are two of the West Coast's most destructive generators of huge earthquakes: the San Andreas fault in California and the ...