QuakeIndex

Earthquake · reviewed by a seismologist

M 2.4ml

7 km NE of Hermleigh, Texas

· 6.3 km deep · released about 120 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Scurry County 22 kmFisher County 29 kmMitchell County 46 kmNolan County 48 kmKent County 57 kmBorden County 70 kmStonewall County 70 kmJones County 77 kmGarza County 80 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 2.4 (ml)
Depth
6.3 km below the surface
Felt
no reports yet
Nearest
Scurry County, 22 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 838 days ago

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

How big was it?

This earthquake released about 120 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.4 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 130,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 89,000× the energy of this one
  3. Around the size people start to feel M 3.0 7.9× the energy of this one
  4. This earthquake M 2.4 about 120 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 32.6740, -100.6980. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Scurry County, TX 22 km (13 mi) ESE of here earthquakes near Scurry County
Fisher County, TX 29 km (18 mi) WSW of here earthquakes near Fisher County
Mitchell County, TX 46 km (29 mi) NNE of here earthquakes near Mitchell County
Nolan County, TX 48 km (30 mi) NNW of here earthquakes near Nolan County
Kent County, TX 57 km (36 mi) S of here earthquakes near Kent County
Borden County, TX 70 km (43 mi) E of here earthquakes near Borden County

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

Aftershocks so far

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

  1. 3.0 18 km NE of Hermleigh, Texas
  2. 2.0 18 km NNE of Hermleigh, Texas
  3. 1.8 16 km NNE of Hermleigh, Texas
  4. 1.6 19 km NNE of Hermleigh, Texas
  5. 1.7 19 km NNE of Hermleigh, Texas
  6. 1.8 17 km NE of Hermleigh, Texas
  7. 2.1 18 km NE of Hermleigh, Texas
  8. 1.6 18 km WSW of Rotan, Texas
  9. 1.9 19 km NNE of Hermleigh, Texas
  10. 1.5 15 km NE of Hermleigh, Texas
  11. 1.7 18 km NNE of Hermleigh, Texas
  12. 1.9 17 km NE of Hermleigh, Texas
  13. 2.0 18 km WSW of Rotan, Texas
  14. 2.3 16 km NNE of Hermleigh, Texas
  15. 2.0 16 km NE of Hermleigh, 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 4.7 on 2023-02-16 — it released about 2,800 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.