QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Waterloo, IL

No earthquake was likely felt in Waterloo in the 24 hours to 5:13 am CST (11:13 UTC). The last one was M 3.5, 192 km (120 mi) E, at 2:05 am CDT on 29 June 2026, estimated intensity II (weak) in town; 392 felt reports to USGS.

M 2.0

Latest: 8:23 pm CST on 1 February 2026 · 17 km (10 mi) SW of Waterloo, IL

The most recent earthquake near Waterloo was M 2.0, 17 km (10 mi) SW of Waterloo, IL, at 8:23 pm CST on 1 February 2026, 11 km deep. 10 people reported feeling it to USGS. The estimated shaking in Waterloo was intensity II (weak), felt by some people at rest indoors.

No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Waterloo in the last 24 hours.

Last 24 hours
0
Last 7 days
0
Last 30 days
0 · since 2016, about one every 19 months
Last 12 months
1 · largest M 2.0 on 1 February 2026
Since 2016
7 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 2.5 on 6 December 2022, 15 km (10 mi) WNW of Waterloo, IL
Reported felt
6 of them have felt reports to USGS
Nearest mapped fault
St. Louis-Cape Girardeau liquefaction features, under 1 km from its surface trace

USGS · feed checked · newest earthquake in our database · this page · counts are earthquakes of M1.5 or more within 30 km (19 mi) of the town centre; shaking is estimated for the town centre with the intensity equation USGS Did You Feel It? uses

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 13 Oct 28 Nov 11
Each mark is a day's largest quake within range; its size is the magnitude. Too few days here have any earthquake at all to draw a normal range.

The latest 7

  1. 2.0 17 km (10 mi) SW of Waterloo, IL · felt by 10
  2. 2.4 28 km (17 mi) NW of Waterloo, IL · felt by 136
  3. 2.3 14 km (9 mi) SW of Waterloo, IL · felt by 43
  4. 2.3 17 km (11 mi) WSW of Waterloo, IL · felt by 14
  5. 2.5 15 km (10 mi) WNW of Waterloo, IL · felt by 298
  6. 2.3 27 km (17 mi) SE of Waterloo, IL · felt by 3
  7. 2.3 21 km (13 mi) SSW of Waterloo, IL

From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are Waterloo time. Distances are from the town centre. Quakes USGS named after Waterloo are listed even when they are further out.

Show these earthquakes on your own site: a free card with the latest quakes near Waterloo, for a local news site, school or neighborhood page.

On the map

The white circle is Waterloo; dots are the 7 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Estimated shaking in Waterloo

The strongest shaking in Waterloo from a quake since 2016 is estimated at intensity III (weak), from the M 2.5 on 6 December 2022, 15 km away. Intensity II and III are felt by some people at rest indoors; IV by most people indoors; V and above wakes sleepers and moves objects.

MagnitudeWhenDistanceShaking in Waterloo (est.)
M 2.5 15 kmIII · Weak · felt by 298
M 2.3 14 kmII · Weak · felt by 43
M 2.3 17 kmII · Weak · felt by 14
M 2.3 21 kmII · Weak
M 2.4 28 kmII · Weak · felt by 136

An estimate for the town centre from magnitude, depth and distance, with the intensity equation USGS Did You Feel It? uses (Atkinson & Wald, 2007), on the Modified Mercalli scale. All 5 reach intensity II or more in town, where people at rest start to notice. Ground conditions change it street by street. It describes the past, not a hazard.

Before 2016

The USGS record since 1900 lists one earthquake of M5 or more within 50 km of Waterloo:

  1. 5.1 Southwestern Illinois · 27 km S of Waterloo

USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.

Nearest mapped faults

USGS Quaternary Fault and Fold Database. Near is not the same as on.

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.

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