An 18-foot-deep sinkhole opened up in Ontario, covering an entire intersection and forcing a major street to shut down.

Seismologists are closely monitoring California's fault lines ... including San Francisco), 1857 Fort Tejon earthquake (Parkfield south to Cajon Pass), and a 1690 for the southern-most portion ...

The actual span of the Golden Gate National Recreation Area encompasses multiple places in San Mateo (south of San Francisco), San ... the Golden Gate Strait. If California had a Central Park ...

The strongest storm to impact parts of California in over a year has ... in the Malibu area and the Santa Cruz Mountains, south of San Francisco. Officials have been racing this week to shore ...

One of the busiest airports in the United States, San Francisco International Airport (SFO) is also an important gateway for ...

The most intense rain to hit Southern California in over a year unleashed ... “It’s a resilient community,” Francisco Martinez, a local resident, told CNN affiliate KCAL/KCBS.

South San Francisco police made a significant discovery this week, uncovering a stash of over 5,000 pounds of illegal fireworks within a storage unit located at a local facility. The haul ...

"California has the largest unauthorized population in the United States, which has existed for a ...

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The zero-emission quiet flights can go as far as 300 kilometers and are inexpensive compared to other modes of transport, according to Zipline, based in South San Francisco, California.