Earthquake Information for Illinois

Yearly Average Number of Earthquakes in Illinois
1
Total Number of Earthquakes in Illinois since 1931
116
Counties With The Highest Risk Of Earthquakes
Select a year:
  • Logan County, IL Probability: 0.287%
  • Mason County, IL Probability: 0.289%
  • Hancock County, IL Probability: 0.295%
  • Menard County, IL Probability: 0.300%
  • Pike County, IL Probability: 0.303%
  • Adams County, IL Probability: 0.306%
  • Henderson County, IL Probability: 0.307%
  • Cass County, IL Probability: 0.314%
  • Tazewell County, IL Probability: 0.318%
  • De Witt County, IL Probability: 0.321%
  • Brown County, IL Probability: 0.325%
  • Jo Daviess County, IL Probability: 0.337%
  • Schuyler County, IL Probability: 0.339%
  • McLean County, IL Probability: 0.341%
  • Scott County, IL Probability: 0.347%
  • Warren County, IL Probability: 0.353%
  • Fulton County, IL Probability: 0.358%
  • McDonough County, IL Probability: 0.367%
  • Morgan County, IL Probability: 0.374%
  • Mercer County, IL Probability: 0.391%
  • Ford County, IL Probability: 0.435%
  • Champaign County, IL Probability: 0.436%
  • Sangamon County, IL Probability: 0.441%
  • Knox County, IL Probability: 0.445%
  • Peoria County, IL Probability: 0.453%
  • Piatt County, IL Probability: 0.467%
  • Iroquois County, IL Probability: 0.472%
  • Vermilion County, IL Probability: 0.485%
  • Rock Island County, IL Probability: 0.487%
  • Macon County, IL Probability: 0.510%
  • Woodford County, IL Probability: 0.522%
  • Lake County, IL Probability: 0.534%
  • Stephenson County, IL Probability: 0.573%
  • Carroll County, IL Probability: 0.620%
  • Henry County, IL Probability: 0.633%
  • Stark County, IL Probability: 0.646%
  • Greene County, IL Probability: 0.657%
  • Livingston County, IL Probability: 0.704%
  • Marshall County, IL Probability: 0.754%
  • Whiteside County, IL Probability: 0.771%
  • Winnebago County, IL Probability: 0.803%
  • Calhoun County, IL Probability: 0.814%
  • Douglas County, IL Probability: 0.863%
  • Kankakee County, IL Probability: 0.927%
  • Boone County, IL Probability: 0.941%
  • Christian County, IL Probability: 0.942%
  • McHenry County, IL Probability: 0.972%
  • Putnam County, IL Probability: 0.980%
  • Ogle County, IL Probability: 1.022%
  • Moultrie County, IL Probability: 1.040%
  • Bureau County, IL Probability: 1.086%
  • Cook County, IL Probability: 1.096%
  • Edgar County, IL Probability: 1.175%
  • Lee County, IL Probability: 1.204%
  • LaSalle County, IL Probability: 1.329%
  • Grundy County, IL Probability: 1.353%
  • Will County, IL Probability: 1.355%
  • Macoupin County, IL Probability: 1.363%
  • DuPage County, IL Probability: 1.446%
  • Jersey County, IL Probability: 1.481%
  • Kane County, IL Probability: 1.507%
  • DeKalb County, IL Probability: 1.509%
  • Coles County, IL Probability: 1.624%
  • Kendall County, IL Probability: 1.709%
  • Shelby County, IL Probability: 1.914%
  • Montgomery County, IL Probability: 2.039%
  • Clark County, IL Probability: 2.378%
  • Cumberland County, IL Probability: 2.727%
  • Madison County, IL Probability: 3.289%
  • Effingham County, IL Probability: 3.865%
  • Fayette County, IL Probability: 3.866%
  • Bond County, IL Probability: 3.904%
  • Monroe County, IL Probability: 4.306%
  • Crawford County, IL Probability: 4.400%
  • St. Clair County, IL Probability: 4.501%
  • Jasper County, IL Probability: 4.848%
  • Clinton County, IL Probability: 5.116%
  • Randolph County, IL Probability: 5.135%
  • Washington County, IL Probability: 5.542%
  • Marion County, IL Probability: 6.016%
  • Lawrence County, IL Probability: 6.156%
  • Perry County, IL Probability: 6.321%
  • Clay County, IL Probability: 6.339%
  • Jackson County, IL Probability: 6.787%
  • Richland County, IL Probability: 7.173%
  • Jefferson County, IL Probability: 7.697%
  • Wabash County, IL Probability: 7.940%
  • Franklin County, IL Probability: 8.408%
  • Williamson County, IL Probability: 8.735%
  • Wayne County, IL Probability: 8.834%
  • Edwards County, IL Probability: 8.886%
  • Hardin County, IL Probability: 9.068%
  • Gallatin County, IL Probability: 9.270%
  • Hamilton County, IL Probability: 9.477%
  • Saline County, IL Probability: 9.632%
  • White County, IL Probability: 9.669%
  • Pope County, IL Probability: 9.869%
  • Union County, IL Probability: 14.728%
  • Alexander County, IL Probability: 16.557%
  • Johnson County, IL Probability: 16.583%
  • Pulaski County, IL Probability: 17.214%
  • Massac County, IL Probability: 17.506%
  • Illinois Earthquake by county