Johnsonville, IL has a moderate earthquake risk, with a total of 20 earthquakes since 1931. The USGS database shows that there is a 8.16% chance of a major earthquake within 50km of Johnsonville, IL within the next 50 years. The largest earthquake within 30 miles of Johnsonville, IL was a 4.5 Magnitude in 1974.
View the probability of a major earthquake within the next 50 years in Johnsonville, IL.
View the number of earthquake incidents in Johnsonville, IL by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Johnsonville, IL within 30 miles. All distances and depths in the table are measured in miles.