Tom Wheelan gazed at the oak barrels that tumbled from racks at Hagafen Cellars in Napa Valley and thanked his lucky stars - they were emptied before a major earthquake hit California's famous wine county.
Bottles in the tasting room didn't fare as well. About 10 cases of fine wine smashed to the floor in the powerful magnitude 6 quake early on Sunday.
"We had a sea of wine," Hagafen's Kit Cassidy said. She and others arrived to find a blend of the precious drink pouring from under the tasting room door.
To make matters worse, power was out until later that the morning. Whelan had to shoo away aspiring tasters intent on sampling vintages.
Along the Silverado Trail winding through vineyards from the quake-slammed city of Napa to the comparatively unscathed town of Calistoga, ornate gates to prestigious wineries were locked.
Missing was the usual weekend bustle of limousines and tour buses packed with people eager to sample wines on the famous Napa Valley trail.
Winery workers were mopping floors, putting barrels back in their racks and checking for damage.
"We closed to assess the damage, and let workers take care of what they need to tend to at home," Black Stallion Winery president Chris Indelicato said.
"We were blessed. Only one barrel fell, and it didn't break."
At the Silver Oak winery, several hundred bottles of "control wine" along with a few barrels were broken, according to winery spokesman Ian Leggat.
Precious vintages stored in its wine library, however, were in racks designed specially to tip the bottles back and keep them safe.
Control wines are samplings of various grape types from different vineyards and are kept so winemakers can track how flavour changes as they age.
"There is valuable information in those wines, but they were not wines that are for sale," Leggat said,
He added that Silver Oak suffered no structural damage.
David Duncan, president and chief executive of family-owned Silver Oak, roused his teenage son from bed and rushed to the winery within 20 minutes of the quake rumbling the area at 3.20am, California time.
They arrived to find the floor littered with "control wine".
Photos that Duncan posted on Twitter were retweeted thousands of times.
He and his son had the place cleaned up by the time staff arrived, Leggat said.
The tasting room opened on time on Sunday morning, the spokesman said.
"I think our wine tastes better after being shaken, not stirred," quipped Chip Sellarole of Silver Oak tasting room.
Reports of damage have come in from wineries and production facilities in Napa. But the extent could take days to determine.
"You can do everything right and still expect to see some damage in an earthquake of this magnitude," Leggat said. "It is going to be case by case."
For example, if a small winery lost a large portion of a vintage, it could be devastating, according to Judd's Hill winery tasting room manager Michael Mitchell.
"Most wineries can take hits," he said. "But if they are small and have only one vintage; if they lost it, it is gone for good."More on this: