A Twitter user took this photo that purports to show serious damage to a building in Napa - a city around three miles (5km) from the epicentre of the earthquake.
More top news
A company which specialises in electronic toys and educational material for children has revealed it has been the victim of a cyber attack.
The RAF and Royal Navy were tasked with a 2,000-mile round trip to rescue a British cruise passenger bitten on the arm by a seal
Another unsettled day is forecast for the UK with strong winds and heavy bursts of rain.