San Mateo County emergency officials are developing a new method of communication to reduce misinformation and confusion ...

Less than two weeks after a tsunami warning, residents were jolted awake before 6 a.m. to consider a new potential disaster ...

The 7.0 earthquake earlier this month led to a tsunami warning that was quickly canceled by forecasters but officials have ...

The quake struck 15 miles north-northeast of the town of Yerington, about 40 miles east of Carson City, at 3:08 p.m. local ...

According to the USGS intensity map, the shaking reported ... from southern Oregon to San Francisco. More than 150,000 people could have been exposed to earthquake shaking, between just north ...

We are preparing for a worst-case scenario. A 9.3 magnitude quake off Alaska, that would be the worst-case for San Francisco’ ...

Some sections of California's coast are considered vulnerable to tsunamis. Find out where those locations are and how to best ...

A tsunami warning blared over cellphones across the San Francisco Bay Area on Thursday after a 7.0-magnitude earthquake ...