Ione, CA has a moderate earthquake risk, with a total of 9 earthquakes since 1931. The USGS database shows that there is a 22.38% chance of a major earthquake within 50km of Ione, CA within the next 50 years. The largest earthquake within 30 miles of Ione, CA was a 2.3 Magnitude in 2016.
View the probability of a major earthquake within the next 50 years in Ione, CA.
Total Number of Earthquakes in Ione, CA within 30 miles. All distances and depths in the table are measured in miles.