Geologists are out with the numbers on an earthquake felt in Northern California Thursday night.
The United States Geological Survey on its website reports it was 3.7-magnitude quake which occurred just after nine last night about 5 miles east-northeast of Yountville.
That's a town of about 3,000 people in California's Napa Valley region.
USGS scientists also noting the earthquake was recorded at a depth of about nearly five miles.
It's still early, so authorities in the area are sure if the quake had caused any damage. There are no reports of injuries at this point.