A future mega-earthquake in the Pacific Northwest could lead to the “Big One” along the San Andreas fault in California—or ...

The San Andreas Fault runs nearly the entire length of California, a sliding boundary between tectonic plates. Its history is one of violent ruptures — earthquakes that have reshaped towns, destroyed ...

A major earthquake hasn’t struck any of California’s biggest cities in more than three decades, but the “Big One” is a matter ...

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

"Northern San Andreas fault events have triggered turbidity currents in the southernmost Cascadia subduction zone, and vice versa," the study authors stated. They pointed out "even very dissimilar ...

The authors of the opinion article say California hazard maps and building codes should account for the possibility of ...

A 4.3 magnitude earthquake struck Berkeley, California, on Monday morning, the U.S. Geological Survey (USGS) said. Neighboring San Francisco felt the tremor. The quake struck shortly before 3 a.m. PDT ...

Scientists are sounding the alarm on earthquakes that create a sharp, booming shock that triggers ruptures that move faster ...

A California Geological Survey map released earlier this year depicts just how intense and damaging the shaking from future earthquakes will be across the state, revealing where the threat is most ...

The temblor reported overnight Monday was felt all over Bay Area; no injuries or major damage were reported, but ...

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

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