A magnitude 3.8 earthquake which struck near Yountville, California around 2 a.m. Sunday was felt as far as San Francisco.
The USGS said the quake was about 4 miles of Yountville. Reports of the quake started showing up on Twitter and people in both Napa, which is right next to Yountville, and as far away as San Francisco said they felt the quake.
There was no immediate report of any damages or injuries.
Stay tuned for more on this developing story.
This post was originally posted at http://www.nbcbayarea.com/news/local/M38-Earthquake-Strikes-Near-Yountville-Felt-in-San-Francisco-505958701.html.