Ever wonder why San Francisco is so steep? There's actually a historical reason for that. Here's why San Francisco isn't as ...

California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.

Santa Rosa. Paradise. Boulder County. Lahaina. Los Angeles. All are places that have shown that American cities and their water systems weren’t built to withstand wildfire, experts say.

The San Francisco earthquake of 1906 is the deadliest earthquake in the history of the United States, and remains high on the ...

Did you feel it? Multiple earthquakes shook the Bay Area Thursday. They were recorded near Hayward, the USGS reported.

A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.

Any student of California history knows the story of the 1906 earthquake. San Francisco was torn apart by the quake itself, then ravaged by the fire that followed. California’s great city, a hub of ...

A 3.4-magnitude earthquake struck San Martin in Northern California, the U.S. Geological Survey reported. Getty Images/iStockphoto A 3.4-magnitude earthquake rattled the Northern California area ...

That striking entrance, and its wide, grand staircase, is what attracted Stanford to the home in the first place.

Ross Stein, co-founder of Temblor, a seismic risk company, says it's because the street is on the San Andreas Fault ... or if we have another great earthquake like 1906, it could be all at ...