San Francisco has assigned a seismic hazard score to hundreds of city-owned buildings. Some key ones, including a jury duty ...

The most well-known examples is the San Andreas Fault in California. Each type of fault line represents a different kind of stress—tension, compression, or shear—acting on the Earth’s crust.

SAN DIEGO - The power of a 7.0 magnitude earthquake shook Northern California Thursday morning. It led to a tsunami warning from San Francisco to Oregon, but it was canceled shortly after.

Gently bobbing in my kayak in the southeasterly corner of Tomales Bay, I spotted a dense wall of fog, 12 miles northwest. It closed off all visibility between Tomales Bluffs Skip to main content. You ...

LOS ANGELES – There have been more than 277 aftershocks to Tuesday's magnitude 5.2 earthquake in Southern California, two with a magnitude 4.0 or greater – but the likelihood of another ...

The movement at their meeting point, the 750-mile-long San Andreas Fault, happens in famously rattling fits and starts, the bigger jerks making the national news. The hills and granite peaks shoved ...

Part of the San Andreas Fault in southern California may be on shakier ground than previously thought. However, a new study suggests one part of the fault, east of Los Angeles, is accumulating a ...

Mr. Hill and his co-authors found that major earthquakes along the southern San Andreas fault tended to happen when a large body of water, Lake Cahuilla, was filling or was full with water from ...

From a gap in UC Berkeley's California Memorial Stadium to destruction from the 1906 earthquake in Point Reyes, evidence of fault lines like the San Andreas and Hayward is all around the Bay.

In Parkfield, California, known as the Earthquake Capital of the World, ranching life, science and the town’s location on the San Andreas Fault are linked.