Every recorded earthquake within 30 km
Earthquakes near Swansea, IL
No earthquake was likely felt in Swansea in the 24 hours to 7:01 am CST (13:01 UTC). The last one was M 3.5, 176 km (110 mi) E, at 2:05 am CDT on 29 June 2026, estimated intensity II (weak) in town; 392 felt reports to USGS.
M 2.4
Latest: 1:50 am CDT on 27 July 2024 · 8 km (5 mi) NE of Swansea, IL
The most recent earthquake near Swansea was M 2.4, 8 km (5 mi) NE of Swansea, IL, at 1:50 am CDT on 27 July 2024. 26 people reported feeling it to USGS. The estimated shaking in Swansea was intensity III (weak), felt by some people at rest indoors.
No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Swansea in the last 24 hours.
- Last 24 hours
- 0
- Last 7 days
- 0
- Last 30 days
- 0
- Last 12 months
- 0
- Since 2016
- 1 earthquake of M1.5 or more within 30 km
- Largest since 2016
- M 2.4 on 27 July 2024, 8 km (5 mi) NE of Swansea, IL
- Reported felt
- 1 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
- Was that an earthquake? — checks what was recorded near you in the last hour
- Report what you felt to USGS — reports go to USGS, not to us, and they are what produces the intensity maps
- Expect aftershocks, and be ready to Drop, Cover, and Hold On if you feel one; if you are in a damaged building, go outside and move away from it (Ready.gov, FEMA; what to do during and after an earthquake)
- Illinois earthquakes today — every one in the state in the last 24 hours
- Earthquakes in Illinois — with the state's activity score
QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.
Earthquake alerts for Swansea, IL
Get a notification in this browser when USGS records an earthquake near Swansea, IL. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
The last 30 days
The latest 1
- 2.4 8 km (5 mi) NE of Swansea, IL · felt by 26
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 Swansea time. Distances are from the town centre. Quakes USGS named after Swansea are listed even when they are further out.
Show these earthquakes on your own site: a free card with the latest quakes near Swansea, for a local news site, school or neighborhood page.
On the map
The white circle is Swansea; dots are the 1 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.
Estimated shaking in Swansea
The strongest shaking in Swansea from a quake since 2016 is estimated at intensity III (weak), from the M 2.4 on 27 July 2024, 8 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.
| Magnitude | When | Distance | Shaking in Swansea (est.) |
|---|---|---|---|
| M 2.4 | 8 km | III · Weak · felt by 26 |
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. It reaches 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 no earthquake of M5 or more within 50 km of Swansea.
USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.
Nearest mapped faults
- St. Louis-Cape Girardeau liquefaction features, under 1 km from its surface trace
- Wabash Valley liquefaction features, 23 km from its surface trace
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.
- Ready.gov: earthquakes (FEMA) — what to do before, during and after, including Drop, Cover, and Hold On
- Build a kit (FEMA) — water, food and supplies for several days; our summary
- USGS: preparedness — the hazard behind the advice, from the agency that records every quake on this page
- The Great ShakeOut — the yearly earthquake drill, with material for homes, schools and workplaces
QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.