Elvira Balbazar, an employee at the 3J's Oreintal Market cleans up after an earthquake Sunday in American Canyon, Calif.

Bricks and rubble cover the sidewalk in front of a heavily damaged building following an earthquake Sunday in Napa, Calif.

Napa firemen douse the remains of a mobile home Sunday at the Napa Valley Mobile Home Park, in Napa, Calif.

Fallen olive oil bottles are seen at the Lucero Olive Oil store in Napa, Calif., on Sunday. Reuters

Damage to a downtown building is seen after an earthquake in Napa, Calif., on Sunday. Reuters

Damage to the Napa County Superior Court building is seen after an earthquake in Napa, Calif., on Sunday. Reuters.

A corner of the historic Napa County Courthouse sits exposed following an earthquake Sunday in Napa, Calif.

Steve Brody inspects damage to the interior of his mobile home after an earthquake Sunday.

The remains of one of four mobile homes smolders after a fire engulfed it Sunday at the Napa Valley Mobile Home Park in Napa, Calif.

Tyler Dahl looks over a $16,000 barrel of Pinot Noir wine that fell from a rack and broke open after an earthquake at Dahl Vineyards Sunday in Yountville, Calif.

An awning for Carpe Diem wine bar sits among rubble in Napa, Calif., following an earthquake Sunday.

A man photographs damage to a post office in Napa, Calif., following an earthquake Sunday.

Mark Macdonald, left, Rob Polson, center, and Jose Gamez work to repair a broken water main after a large earthquake in Vallejo Calif. on Sunday.

A car damaged by bricks falling during an earthquake is seen next to a downtown building in Napa, Calif., on Sunday. Reuters.