EveryQuake
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Earthquakes in Illinois

1,147 earthquakes catalogued in and around Illinois between 1902 and 2026. Recorded measurements; not a forecast.

Last updated 4 August 2026 · merged from 5 catalogues
2.9
Latest earthquake · depth 5 km
08.07.2026 19:38 UTC · from centre 311 km
1,147
recorded earthquakes
M5.4
largest
1902–2026
record span
2.15
mean magnitude
986
epicentre inside the border

By year

Stacked by magnitude; one column per year.

0991981902: 1 (M4–5)19021903: 1 (M4–5)1905: 2 (M4–5)1906: 2 (M3–4)1907: 1 (M3–4)1908: 1 (M4–5)1909: 1 (M3–4)1909: 3 (M4–5)1909: 2 (M5+)1912: 1 (M4–5)19121917: 1 (M5+)1921: 1 (M4–5)1922: 3 (M4–5)19221925: 2 (M4–5)19321934: 2 (M4–5)1939: 1 (M4–5)19421947: 1 (M4–5)19521953: 1 (M4–5)1955: 1 (M4–5)1956: 1 (M4–5)1958: 1 (M4–5)19621965: 1 (M3–4)1965: 2 (M4–5)1967: 1 (M4–5)1968: 1 (M4–5)1968: 1 (M5+)1972: 2 (M4–5)19721973: 1 (M<3)1973: 2 (M3–4)1974: 30 (M<3)1974: 3 (M4–5)1975: 20 (M<3)1975: 1 (M3–4)1976: 25 (M<3)1976: 1 (M3–4)1976: 1 (M4–5)1977: 21 (M<3)1977: 1 (M3–4)1978: 25 (M<3)1978: 3 (M3–4)1979: 20 (M<3)1979: 1 (M3–4)1980: 18 (M<3)1980: 3 (M3–4)1981: 17 (M<3)1981: 2 (M3–4)1982: 28 (M<3)19821983: 47 (M<3)1983: 2 (M3–4)1983: 1 (M4–5)1984: 188 (M<3)1984: 9 (M3–4)1984: 1 (M4–5)1985: 32 (M<3)1985: 4 (M3–4)1986: 35 (M<3)1986: 2 (M3–4)1987: 38 (M<3)1987: 6 (M3–4)1987: 2 (M4–5)1988: 18 (M<3)1988: 3 (M3–4)1989: 10 (M<3)1990: 35 (M<3)1990: 4 (M3–4)1990: 1 (M4–5)1991: 7 (M<3)1991: 2 (M3–4)1992: 5 (M<3)1992: 1 (M3–4)19921993: 16 (M<3)1993: 2 (M3–4)1994: 6 (M<3)1994: 3 (M3–4)1994: 1 (M4–5)1995: 3 (M<3)1996: 4 (M<3)1996: 1 (M3–4)1997: 4 (M<3)1998: 9 (M<3)1998: 1 (M3–4)1999: 4 (M<3)1999: 1 (M3–4)2000: 9 (M<3)2000: 1 (M3–4)2001: 6 (M<3)2002: 2 (M<3)2002: 1 (M3–4)2002: 1 (M4–5)20022003: 2 (M<3)2003: 3 (M3–4)2003: 1 (M4–5)2004: 6 (M<3)2004: 1 (M3–4)2004: 1 (M4–5)2005: 6 (M<3)2005: 2 (M3–4)2006: 5 (M<3)2006: 2 (M3–4)2007: 7 (M<3)2008: 41 (M<3)2008: 4 (M3–4)2008: 2 (M4–5)2008: 1 (M5+)2009: 7 (M<3)2010: 4 (M<3)2010: 1 (M3–4)2011: 4 (M<3)2011: 2 (M3–4)2012: 23 (M<3)2012: 3 (M3–4)20122013: 17 (M<3)2013: 1 (M3–4)2014: 7 (M<3)2015: 25 (M<3)2015: 1 (M3–4)2016: 10 (M<3)2016: 1 (M3–4)2017: 16 (M<3)2017: 5 (M3–4)2018: 14 (M<3)2019: 9 (M<3)2020: 14 (M<3)2021: 10 (M<3)2021: 1 (M3–4)2021: 1 (M4–5)2022: 23 (M<3)2022: 1 (M3–4)20222023: 18 (M<3)2023: 3 (M3–4)2024: 21 (M<3)2024: 1 (M3–4)2025: 18 (M<3)2025: 2 (M3–4)2026: 9 (M<3)2026: 2 (M3–4)
M<3M3–4M4–5M5+

Read this chart carefully. Rising columns do not mean earthquakes are becoming more frequent. The monitoring network improved over time: the smallest detectable earthquake in Türkiye was about M5.0 in 1966 and is M1.5 today. Earlier years look quiet because small events were not heard, not because they did not happen.

Largest earthquakes

Inclusion rule: the radius widens with magnitude (15 km up to M4, 150 km at M7 and above). This is not a measure of felt shaking or intensity.

MagnitudeDateDepthDistance
5.418.04.2008 09:3615.1 km184 km
5.309.11.1968 17:0115.7 km216 km
5.109.04.1917 20:52—200 km
5.127.09.1909 09:45—177 km
5.026.05.1909 14:42—233 km
4.910.06.1987 23:4810 km159 km
4.818.04.2008 15:1411.6 km186 km
4.827.11.1922 03:31—226 km
4.827.04.1925 04:05—213 km
4.822.03.1922 22:29—261 km
4.826.09.1990 13:1810 km284 km
4.821.10.1965 02:0410 km283 km
4.720.08.1934 00:47—311 km
4.623.03.1922 02:22—261 km
4.618.06.2002 17:3714.4 km224 km

Latest earthquakes

MagnitudeDateDepthDistance
2.908.07.2026 19:385 km311 km
2.030.06.2026 04:252 km233 km
2.930.06.2026 03:411.6 km342 km
3.529.06.2026 07:0519 km173 km
2.406.06.2026 07:3713.8 km330 km
2.629.05.2026 03:584.8 km323 km
2.216.04.2026 17:571.9 km371 km
1.415.04.2026 04:1215.7 km298 km
2.002.02.2026 02:2311.2 km189 km
3.720.01.2026 07:279.8 km37 km
1.819.01.2026 00:354.9 km323 km
1.902.11.2025 15:0713.8 km270 km
2.601.11.2025 16:233.8 km325 km
2.228.10.2025 06:084.7 km234 km
1.610.09.2025 01:137.4 km253 km
3.106.09.2025 02:375.8 km325 km
2.405.09.2025 10:2716.9 km170 km
2.104.09.2025 09:1224 km194 km
1.729.08.2025 07:087.3 km321 km
2.126.08.2025 17:5515.5 km265 km
2.609.08.2025 03:0618.8 km221 km
2.425.07.2025 05:0821.4 km249 km
1.723.06.2025 21:3712.5 km207 km
3.313.05.2025 04:439.8 km91 km
2.515.04.2025 05:301.7 km341 km
2.431.03.2025 02:1814.2 km197 km
2.615.03.2025 13:205 km163 km
2.302.02.2025 00:005.6 km187 km
2.421.01.2025 05:1311.1 km227 km
2.308.01.2025 23:379.2 km187 km
2.031.12.2024 09:030 km259 km
2.319.12.2024 06:037.7 km292 km
2.029.11.2024 03:386.8 km160 km
2.031.10.2024 15:4012.8 km273 km
2.104.10.2024 05:1821.3 km177 km
2.426.09.2024 02:5011.4 km109 km
2.619.09.2024 08:302.1 km156 km
2.411.08.2024 03:1010.2 km200 km
2.427.07.2024 06:500.3 km141 km
3.115.07.2024 07:539.7 km217 km
2.424.06.2024 05:436.4 km312 km
2.217.06.2024 10:531.3 km319 km
1.614.05.2024 05:238.8 km266 km
1.910.05.2024 16:446.5 km297 km
2.122.04.2024 08:5212.7 km268 km
2.219.04.2024 01:0519.2 km153 km
2.213.04.2024 19:317.1 km328 km
2.828.03.2024 23:5523.6 km133 km
2.505.03.2024 16:3416.9 km184 km
1.903.03.2024 00:506.2 km320 km
2.029.02.2024 09:455.4 km23 km
2.720.02.2024 01:2215.2 km347 km
1.919.02.2024 04:385.1 km219 km
3.118.12.2023 04:1016.7 km169 km
2.210.12.2023 21:0817.2 km284 km
3.615.11.2023 10:415.7 km167 km
2.626.10.2023 03:3617.5 km70 km
1.917.10.2023 10:147 km319 km
2.710.09.2023 04:1121.4 km171 km
1.605.09.2023 00:5815.4 km302 km

Method and sources

What this page counts
An earthquake appears here when its epicentre is within a magnitude-dependent distance of this place's border: 15 km up to M4, 30 km to M5, 60 km to M6, 100 km to M7, and 150 km at M7 and above. The rule exists because a large earthquake concerns neighbouring provinces too — the 17 August 1999 epicentre was in the Gulf of İzmit, on no province's land at all.
Location precision
Epicentre uncertainty is typically 1–10 km, and larger for older records. That is why this site breaks data down to districts but not to neighbourhoods or villages — the data does not support that distinction.
Magnitude scales
The catalogues use more than twelve magnitude scales (Mw, ML, mb, Md…) and they are not equivalent. Values are shown on the scale the source reported; they are not converted.
Deduplication
The same earthquake is published by several catalogues. Records within 20 seconds and 100 km whose magnitudes differ by no more than 1.2 are treated as one event; the primary record is chosen by catalogue priority.
Updates
Recent earthquakes are fetched from four sources every five minutes. The historical archive is rebuilt infrequently.
Sources
USGS ComCat · ISC Bulletin · AFAD · Kandilli / KOERI · EMSC/CSEM
Reporting an error
If you spot a wrong record, write to us; we verify against the source and correct it.