czds, “ The fault that triggered the deadly Napa earthquake may be more dangerous than originally thought, according to an expert with the United States Geological Survey.
In 2014, a 6.0 magnitude earthquake happened along the west Napa fault. One person died, 200 others were injured, and hundreds of buildings were damaged.” https://www.nbcbayarea.com/news/local/napa-fault-line-earthquake-usgs/3406768/