QuakeIndex

Earthquake · reviewed by a seismologist

M 3.0ml

4 km WSW of Pecos, Texas

· 7.9 km deep · released about 950 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Reeves County 21 kmWard County 42 kmLoving County 48 kmWinkler County 65 kmCulberson County 94 kmCrane County 99 kmPecos County 106 kmEctor County 106 kmJeff Davis County 108 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 3.0 (ml)
Depth
7.9 km below the surface
Felt
5 reports · strongest reported intensity IV
Nearest
Reeves County, 21 km SW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1411 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 5 people have reported feeling it to USGS.

How big was it?

This earthquake released about 950 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.0 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 350,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 16,000× the energy of this one
  3. Magna, Utah 2020 M 5.7 11,000× the energy of this one
  4. This earthquake M 3.0 about 950 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 31.4148, -103.5353. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Reeves County, TX 21 km (13 mi) NE of here earthquakes near Reeves County
Ward County, TX 42 km (26 mi) WSW of here earthquakes near Ward County
Loving County, TX 48 km (30 mi) S of here earthquakes near Loving County
Winkler County, TX 65 km (40 mi) SW of here earthquakes near Winkler County
Culberson County, TX 94 km (59 mi) E of here earthquakes near Culberson County
Crane County, TX 99 km (62 mi) W of here earthquakes near Crane County

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

Aftershocks so far

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

  1. 2.1 36 km NNW of Toyah, Texas
  2. 2.8 37 km NNW of Toyah, Texas
  3. 1.5 28 km E of Balmorhea, Texas
  4. 2.0 21 km SW of Coyanosa, Texas
  5. 2.1 25 km SW of Coyanosa, Texas
  6. 2.9 20 km WSW of Coyanosa, Texas
  7. 2.3 25 km WSW of Coyanosa, Texas
  8. 2.2 5 km E of Lindsay, Texas
  9. 2.0 12 km SW of Toyah, Texas
  10. 1.5 19 km SSW of Lindsay, Texas
  11. 1.7 33 km SW of Coyanosa, Texas
  12. 2.6 13 km NNW of Toyah, Texas
  13. 2.0 37 km NNW of Toyah, Texas
  14. 2.3 37 km NNW of Toyah, Texas
  15. 2.1 36 km NW of Toyah, 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 4.4 on 2021-12-16 — it released about 130 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.