QuakeIndex

Earthquakes in Illinois

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The most recent earthquake of M2.5 or more in Illinois was M 2.9, 21 km ENE of Kenilworth, Illinois, at 2:38 pm CDT on 8 July 2026, 5 km deep. 612 people reported feeling it to USGS. 1 smaller earthquake has been recorded in Illinois since.

No earthquake of M1.5 or more was recorded in Illinois in the last 24 hours.

Last 24 hours
0
Last 7 days
0
Last 30 days
0 · since 2016, about one every 2 months
Last 12 months
5 · largest M 3.8 on 20 January 2026
Since 2016
66 earthquakes of M1.5 or more
Largest since 2016
M 4.0 on 17 November 2021, 7 km S of Williamsville, Missouri

Latest quake, 24 hours and 7 days: the QuakeIndex database, which reads USGS every 30 seconds, read at ; 30 days and 12 months: the QuakeIndex catalogue, counted to · earthquakes of M1.5 or more in Illinois, where USGS names the state in the location

Every earthquake in Illinois in the last 24 hours →

0

Quiet QuakeIndex 0 / 100

0 quakes of M1.5 or larger in the last 7 days in Illinois. Normal for here is 0 to 1 in a week.

Compared against Illinois's own 10 years · USGS catalogue · updated

If you felt one

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.

The last 30 days

Oct 14 Oct 29 Nov 12
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M1.9–M2.4), from this place's own 10-year record. A mark above the band is a bigger day than usual.

Show these earthquakes on your own site: a free card with this strip and the latest quakes in Illinois, for a local news site, school or neighborhood page.

Live · last 7 days

Latest earthquakes in Illinois

None in Illinois in the latest snapshot we hold; the full 7 days load from USGS as this page opens.

Source USGS · snapshot of

The last 7 days on the map

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Every earthquake in Illinois in the last 7 days, from the USGS feed. Colour and size are magnitude; tap one for its page.

Open the full map — zoom anywhere, or find your own location →

Largest on record in and around Illinois

MagnitudeWhenWhere
M 4.0 7 km S of Williamsville, Missouri
M 3.8 Illinois-Indiana border region
M 3.8 4 km N of Bellmont, Illinois
M 3.8 4 km NW of Ohlman, Illinois
M 3.6 1 km SSW of Standard, Illinois
M 3.6 9 km ESE of Wyatt, Missouri
M 3.5 6 km NE of West Salem, Illinois
M 3.5 5 km SE of New Grand Chain, Illinois

From the QuakeIndex catalogue, built from the USGS FDSN event service · inside a rectangle drawn around Illinois, which takes in some ground over its borders.

Before 2016: the largest in Illinois since 1900

The USGS record from 1900 to 2015 lists 5 earthquakes of M5 or more in and just off Illinois:

  1. 5.3 5 km SSW of Norris City, Illinois
  2. 5.2 2 km ESE of Claremont, Illinois
  3. 5.2 7 km NNE of Bellmont, Illinois
  4. 5.1 Southwestern Illinois
  5. 5.0 Near Aurora, Illinois

USGS ComCat, M5+ from 1900 to 2015, each epicentre counted for the state whose nearest county it is. Epicentres of early earthquakes are estimates. This is the record, not a forecast.

The most active counties in Illinois

CountyM1.5+ in 10 yearsThis week
Alexander County 1,180 Quiet (0)
Pulaski County 990 Quiet (0)
Union County 162 Quiet (0)
Massac County 150 Quiet (0)

Counted within each county page's own radius from the QuakeIndex catalogue (USGS, M1.5+, ten years).

Counties in Illinois

Be ready

Earthquakes cannot be predicted, here or anywhere, so the useful step is the one taken beforehand. The advice below is from the agencies responsible for it.