NAPA, Calif. (KABC) -- A 6.0-magnitude earthquake damaged buildings and knocked out power to thousands in the Bay Area Sunday, Aug. 24, 2014.
The temblor was the largest earthquake to shake Northern California since the 6.9 magnitude Loma Prieta quake in 1989, the USGS said.
Jorge Sanchez looks over damage to the main post office following an earthquake Sunday, Aug. 24, 2014, in Napa, Calif. (Eric Risberg)
Pedestrians stop to examine a crumbling facade at the Vintner's Collective tasting room in Napa, Calif., following an earthquake Sunday, Aug. 24, 2014. (Noah Berger)
Jean Meehan looks over the damage to her JHM Stamp and Collectibles store following an earthquake Sunday, Aug. 24, 2014, in Napa, Calif.
(Eric Risberg)
People watch as water flows out of McCaulous's department store following an earthquake Sunday, Aug. 24, 2014, in Napa, Calif. (Eric Risberg)
Janelle Dahl and her son Austin clean up broken bottles of wine in a tasting room after an earthquake at Dahl Vineyards Sunday, Aug. 24, 2014, in Yountville, Calif. (Eric Risberg)
Napa Fire Captain Steve Becker inspects mobile homes which were destroyed Sunday, Aug. 24, 2014, at the Napa Valley Mobile Home Park, in Napa, Calif. (Ben Margot)
A mailbox is all that remains of one of four mobile homes which were destroyed in a gas fire Sunday, Aug. 24, 2014, at the Napa Valley Mobile Home Park, in Napa, Calif. (Ben Margot)
A Napa firefighter inspects one of four mobile homes that were destroyed in a gas fire Sunday, Aug. 24, 2014, at the Napa Valley Mobile Home Park, in Napa, Calif. (Ben Margot)
Olive oil and vinegar seeps from Lucero Olive Oil's tasting room in Napa, Calif., following an earthquake Sunday, Aug. 24, 2014. (Noah Berger)
Steve Brody inspects damage to the interior of his mobile home after an earthquake Sunday, Aug. 24, 2014, at the Napa Valley Mobile Home Park, in Napa, Calif. (Ben Margot)
Olive oil and vinegar seeps from Lucero Olive Oil's tasting room in Napa, Calif., following an earthquake Sunday, Aug. 24, 2014. (Noah Berger)
Bryan Metcalf posted this photo to Twitter after a 6.0-magnitude earthquake struck Northern California Sunday, Aug. 24, 2014. (Bryan Metcalf )
Napa Fire Captain Steve Becker inspects mobile homes which were destroyed Sunday, Aug. 24, 2014, at the Napa Valley Mobile Home Park, in Napa, Calif. (Ben Margot)
Wine spilled onto the floor of a Walgreen in Vallejo after a 6.0-magnitude earthquake struck the northern Bay Area Sunday, Aug. 24, 2014. (Ana Cornelio via uReport)
Furniture was strewn across the floor after a 6.0-magnitude earthquake struck the northern San Francisco Bay Area Sunday, Aug. 24, 2014. (Danielle Suesens Irwin via Facebook)
Bricks and fallen rubble cover a car after a 6.0-magnitude earthquake struck the northern San Francisco Bay Area Sunday, Aug. 24, 2014. (www.twitter.com/adreannababyyy)