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Illinois Earthquake History
Since May 26, 1909, the USGS has recorded 13 earthquakes of magnitude 4.5 or greater in Illinois. The strongest was M 5.3.
By decade
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Strongest in Illinois
M 5.3 · 5 km SSW of Norris City, IllinoisNovember 9, 1968M 5.2 · 2 km ESE of Claremont, IllinoisJune 10, 1987M 5.2 · 7 km NNE of Bellmont, IllinoisApril 18, 2008M 5.1 · Southwestern IllinoisApril 9, 1917M 5.0 · Near Aurora, IllinoisMay 26, 1909M 4.8 · 4 km SE of Raleigh, IllinoisNovember 27, 1922M 4.8 · 9 km NNE of McClure, IllinoisMarch 22, 1922M 4.7 · 9 km NNE of Bellmont, IllinoisApril 18, 2008M 4.6 · 7 km ENE of Fults, IllinoisNovember 23, 1939M 4.6 · 9 km NNE of McClure, IllinoisMarch 23, 1922
All recorded earthquakes
M 4.7 mwApril 18, 2008
9 km NNE of Bellmont, Illinois · depth 15 km
M 5.2 mwApril 18, 2008
7 km NNE of Bellmont, Illinois · depth 14 km
M 5.2 mdJune 10, 1987
2 km ESE of Claremont, Illinois · depth 5 km
M 4.5 mbApril 3, 1974
3 km W of Parkersburg, Illinois · depth 11 km
M 5.3 mwNovember 9, 1968
5 km SSW of Norris City, Illinois · depth 16 km
M 4.6 faNovember 23, 1939
7 km ENE of Fults, Illinois
M 4.8 faNovember 27, 1922
4 km SE of Raleigh, Illinois
M 4.6 faMarch 23, 1922
9 km NNE of McClure, Illinois
M 4.8 faMarch 22, 1922
9 km NNE of McClure, Illinois
M 5.1 mfaApril 9, 1917
Southwestern Illinois
M 4.5 mfaJanuary 2, 1912
Between Morris and Yorkville, Illinois
M 4.5 mfaJuly 19, 1909
Near Petersburg, Illinois
M 5.0 mfaMay 26, 1909
Near Aurora, Illinois
Source: U.S. Geological Survey, Earthquake Hazards Program. Older and smaller earthquakes are under-counted relative to recent decades as instrumentation improved. A record of past shaking is not a forecast. See About the Data.