Add Yahoo as a preferred source to see more of our stories on Google. Wendy Bohon, branch chief of seismic hazards and earthquake Engineering for the California Geological Survey, holds framed ...

"San Andreas Fault" explores the geological features and movements of the San Andreas Fault in California. It details how urbanization has obscured the fault's trace, yet it remains visible through ...

“Over the longer term, we expect substantial production growth to come from unconventional reservoirs such as tight sandstones and shales,” Occidental said in a regulatory filing for the spin-off. “As ...

In the warm afternoons of early autumn, Bay Area residents head for the Coast Range north of San Francisco. They hike, picnic and pluck flowers atop Mount Tamalpais and its sister hills, which ...