Lancaster Township, IL has a very low earthquake risk, with a total of 0 earthquakes since 1931. The USGS database shows that there is a 0.63% chance of a major earthquake within 50km of Lancaster Township, IL within the next 50 years.
View the probability of a major earthquake within the next 50 years in Lancaster Township, IL.
See Illinois Earthquake Report or Stephenson County, IL Earthquake Report