Every recorded earthquake within 30 km
Earthquakes near Joanna, SC
No earthquake was likely felt in Joanna in the 24 hours to 10:12 pm EST (03:12 UTC). The last one was M 2.1, 27 km (17 mi) N, at 10:15 pm EDT on 28 June 2026, estimated intensity II (weak) in town; 8 felt reports to USGS.
M 3.0
Latest: 12:23 am EDT on 23 August 2025 · 30 km (18 mi) WSW of Joanna, SC
The most recent earthquake of M2.5 or more near Joanna was M 3.0, 30 km (18 mi) WSW of Joanna, SC, at 12:23 am EDT on 23 August 2025, 2 km deep. 166 people reported feeling it to USGS. The estimated shaking in Joanna was intensity III (weak), felt by some people at rest indoors. 8 smaller earthquakes have been recorded near Joanna since; the newest is first in the list below.
No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Joanna in the last 24 hours.
- Last 24 hours
- 0
- Last 7 days
- 0
- Last 30 days
- 0 · since 2016, about one every 11 months
- Last 12 months
- 3 · largest M 2.1 on 28 June 2026
- Since 2016
- 12 earthquakes of M1.5 or more within 30 km
- Largest since 2016
- M 3.0 on 23 August 2025, 30 km (18 mi) WSW of Joanna, SC
- Reported felt
- 9 of them have felt reports to USGS
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)
- South Carolina earthquakes today — every one in the state in the last 24 hours
- Earthquakes in South Carolina — 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 Joanna, SC
Get a notification in this browser when USGS records an earthquake near Joanna, SC. 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 12
- 2.1 27 km (17 mi) N of Joanna, SC · felt by 8
- 1.9 27 km (17 mi) NNE of Joanna, SC
- 1.8 27 km (17 mi) N of Joanna, SC
- 2.0 29 km (18 mi) WSW of Joanna, SC · felt by 4
- 2.4 30 km (18 mi) WSW of Joanna, SC · felt by 18
- 2.0 30 km (18 mi) WSW of Joanna, SC · felt by 4
- 1.9 30 km (18 mi) WSW of Joanna, SC · felt by 2
- 2.0 30 km (19 mi) WSW of Joanna, SC
- 3.0 30 km (18 mi) WSW of Joanna, SC · felt by 166
- 1.7 30 km (19 mi) WSW of Joanna, SC · felt by 7
- 2.2 30 km (18 mi) WSW of Joanna, SC · felt by 7
- 1.6 27 km (17 mi) N of Joanna, SC · felt by 2
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 Joanna time. Distances are from the town centre. Quakes USGS named after Joanna are listed even when they are further out.
Show these earthquakes on your own site: a free card with the latest quakes near Joanna, for a local news site, school or neighborhood page.
On the map
The white circle is Joanna; dots are the 12 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.
Estimated shaking in Joanna
The strongest shaking in Joanna from a quake since 2016 is estimated at intensity III (weak), from the M 3.0 on 23 August 2025, 30 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 Joanna (est.) |
|---|---|---|---|
| M 3.0 | 30 km | III · Weak · felt by 166 | |
| M 2.4 | 30 km | II · Weak · felt by 18 | |
| M 2.2 | 30 km | II · Weak · felt by 7 | |
| M 2.1 | 27 km | II · Weak · felt by 8 | |
| M 2.0 | 29 km | II · Weak · felt by 4 |
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. 4 of these 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 no earthquake of M5 or more within 50 km of Joanna.
USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.
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.