QuakeIndex

Earthquake · reviewed by a seismologist

M 2.9ml

10 km SW of Rotan, Texas

· 4.6 km deep · released about 680 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Fisher County 15 kmScurry County 34 kmKent County 48 kmStonewall County 52 kmNolan County 55 kmJones County 64 kmMitchell County 64 kmGarza County 82 kmBorden County 83 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
Magnitude
M 2.9 (ml)
Depth
4.6 km below the surface
Felt
1 report · strongest reported intensity III
Nearest
Fisher County, 15 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 124 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 680 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 22,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 16,000× the energy of this one
  3. Around the size people start to feel M 3.0 1.4× the energy of this one
  4. This earthquake M 2.9 about 680 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.

Where

Epicentre 32.7910, -100.5570. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Fisher County, TX 15 km (10 mi) WNW of here earthquakes near Fisher County
Scurry County, TX 34 km (21 mi) E of here earthquakes near Scurry County
Kent County, TX 48 km (30 mi) SSE of here earthquakes near Kent County
Stonewall County, TX 52 km (32 mi) SSW of here earthquakes near Stonewall County
Nolan County, TX 55 km (34 mi) NNW of here earthquakes near Nolan County
Jones County, TX 64 km (40 mi) W of here earthquakes near Jones 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. 1.1 17 km N of Snyder, Texas
  2. 1.7 11 km NNW of Snyder, Texas
  3. 1.7 16 km N of Snyder, Texas
  4. 1.7 15 km NNW of Snyder, Texas
  5. 1.7 11 km W of Rotan, Texas
  6. 1.5 11 km W of Rotan, Texas
  7. 1.6 16 km NNE of Hermleigh, Texas
  8. 2.0 17 km N of Snyder, Texas
  9. 1.5 16 km NNE of Hermleigh, Texas
  10. 2.0 16 km NNE of Hermleigh, Texas
  11. 2.7 16 km NNE of Hermleigh, Texas
  12. 1.8 16 km NNE of Hermleigh, Texas
  13. 2.8 16 km NNE of Hermleigh, Texas
  14. 2.1 15 km NE of Hermleigh, Texas
  15. 1.7 14 km N of Snyder, Texas

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.

For this area

The largest earthquake within 50 km in our catalogue was M 5.1 on 2024-07-26 — it released about 2,000 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

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