QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9md

Earthquake near Hopkins, SC

No earthquake was likely felt in Hopkins in the 24 hours to 9:17 am EST (14:17 UTC). The last one was M 3.0, 38 km (24 mi) WNW, at 12:17 pm EST on 26 February 2026, estimated intensity III (weak) in town; 2,494 felt reports to USGS. Every earthquake near Hopkins

This page: a magnitude 1.9 earthquake was recorded 9 km (6 mi) east-northeast of Hopkins, SC, at 11:03 pm EST on 10 January 2023 (04:03 UTC), 6.1 km deep. 13 people have reported feeling it to USGS.

USGS: 9 km ENE of Hopkins, South Carolina

15 km (9 mi) SE of Columbia, SC

11:03 pm EST, Jan 10, 2023 · · 6.1 km deep · released about 22 lb of TNT

10 km30 km60 km120 km N Richland County 14 kmCalhoun County 30 kmSumter County 38 kmLexington County 45 kmKershaw County 48 kmLee County 55 kmOrangeburg County 56 kmFairfield County 59 kmClarendon County 61 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
11:03 pm EST on 10 January 2023 ()
Where
9 km (6 mi) east-northeast of Hopkins, SC · earthquakes near Hopkins
South Carolina today
every earthquake in South Carolina in the last 24 hours
Magnitude
M 1.9 (md)
Depth
6.1 km below the surface
Felt
13 reports · strongest reported intensity IV
Nearest
Richland County, 14 km NW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1332 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth, people at rest would likely notice it out to about 20 km (12 mi) from the epicentre. In Hopkins, 9 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: Gadsden, Woodfield, Forest Acres, Dentsville, Columbia, Stateburg.

How big was it?

This earthquake released about 22 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 680,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 480,000× the energy of this one
  3. Around the size people start to feel M 3.0 43× the energy of this one
  4. This earthquake M 1.9 about 22 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 33.9437, -80.7898. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Richland County, SC 14 km (9 mi) NW earthquakes near Richland County
Calhoun County, SC 30 km (19 mi) S earthquakes near Calhoun County
Sumter County, SC 38 km (23 mi) E earthquakes near Sumter County
Lexington County, SC 45 km (28 mi) W earthquakes near Lexington County
Kershaw County, SC 48 km (30 mi) NNE earthquakes near Kershaw County
Lee County, SC 55 km (34 mi) ENE earthquakes near Lee County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

33 earthquakes have been recorded within 50 km since this one.

  1. 2.2 6 km E of Elgin, South Carolina
  2. 1.9 11 km N of Irmo, South Carolina
  3. 2.1 3 km W of Irmo, South Carolina
  4. 2.2 5 km SSE of Lake Murray of Richland, South Carolina
  5. 3.0 5 km WSW of Irmo, South Carolina
  6. 1.8 5 km WSW of Irmo, South Carolina
  7. 2.0 5 km WSW of Irmo, South Carolina
  8. 2.8 4 km WSW of Irmo, South Carolina
  9. 2.1 5 km SSW of Lugoff, South Carolina
  10. 2.7 5 km ESE of Elgin, South Carolina
  11. 2.0 7 km E of Elgin, South Carolina
  12. 2.6 6 km E of Elgin, South Carolina
  13. 2.3 6 km E of Elgin, South Carolina
  14. 1.6 6 km ESE of Elgin, South Carolina
  15. 1.9 8 km SE of Elgin, South Carolina

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.