Rockford, IL has a very low earthquake risk, with a total of 0 earthquakes since 1931. The USGS database shows that there is a 0.92% chance of a major earthquake within 50km of Rockford, IL within the next 50 years.
View the probability of a major earthquake within the next 50 years in Rockford, IL.
See Illinois Earthquake Report or Winnebago County, IL Earthquake Report