Napa County, CA has a very high earthquake risk, with a total of 103 earthquakes since 1931. The USGS database shows that there is a 96.20% chance of a major earthquake within 50km of Napa County, CA within the next 50 years. The largest earthquake within 30 miles of Napa County, CA was a 6.0 Magnitude in 2014.
View the probability of a major earthquake within the next 50 years in Napa County, CA.
View the number of earthquake incidents in Napa County, CA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Napa County, CA within 30 miles. All distances and depths in the table are measured in miles.