South Flannigan Township, IL has a moderate earthquake risk, with a total of 16 earthquakes since 1931. The USGS database shows that there is a 9.58% chance of a major earthquake within 50km of South Flannigan Township, IL within the next 50 years. The largest earthquake within 30 miles of South Flannigan Township, IL was a 4.1 Magnitude in 1984.
View the probability of a major earthquake within the next 50 years in South Flannigan Township, IL.
View the number of earthquake incidents in South Flannigan Township, IL by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in South Flannigan Township, IL within 30 miles. All distances and depths in the table are measured in miles.