California's fault lines are under the most amount of stress than they've experienced in 1,000 years, researchers revealed. A ...

A major Hayward fault quake could shake some Bay Area communities harder than expected because of the ground beneath them, ...

A large crack running through the former Fremont City Hall is a stark symbol of the risks and realities of living in earthquake country — and the powerful forces that lie beneath our feet in the Bay ...

Not all earthquake faults behave the same. Some stick and snap, causing earthquakes. Others move slowly over time. For years, the leading explanation for slow-moving faults has been that high-pressure ...

A hazardous fault line that runs south of downtown Seattle may have formed when the edge of the North American continent tore apart 55 million years ago, a new study suggests. Seattle sits atop the ...