QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

1 km NNW of Garden City, Texas

· 8.0 km deep · released about 21 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Glasscock County 4 kmSterling County 41 kmHoward County 47 kmMidland County 49 kmReagan County 56 kmMartin County 65 kmMitchell County 71 kmUpton County 79 kmIrion 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 1.9 (ml)
Depth
8.0 km below the surface
Felt
no reports yet
Nearest
Glasscock County, 4 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 137 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 21 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 5.8 710,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 500,000× the energy of this one
  3. Around the size people start to feel M 3.0 45× the energy of this one
  4. This earthquake M 1.9 about 21 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 31.8810, -101.4870. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Glasscock County, TX 4 km (2 mi) ENE of here earthquakes near Glasscock County
Sterling County, TX 41 km (26 mi) W of here earthquakes near Sterling County
Howard County, TX 47 km (29 mi) S of here earthquakes near Howard County
Midland County, TX 49 km (31 mi) E of here earthquakes near Midland County
Reagan County, TX 56 km (35 mi) N of here earthquakes near Reagan County
Martin County, TX 65 km (41 mi) SE of here earthquakes near Martin County

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

Aftershocks so far

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

  1. 1.7 11 km WSW of Stanton, Texas
  2. 3.1 12 km WSW of Stanton, Texas
  3. 1.5 13 km WSW of Stanton, Texas
  4. 1.7 12 km WSW of Stanton, Texas
  5. 2.3 12 km WSW of Stanton, Texas
  6. 3.1 12 km WSW of Stanton, Texas
  7. 2.2 15 km SE of Coahoma, Texas
  8. 1.6 24 km SSW of Westbrook, Texas
  9. 1.6 8 km NNW of Forsan, Texas
  10. 2.3 20 km SE of Midland, Texas
  11. 1.5 20 km SE of Midland, Texas
  12. 1.6 24 km E of Forsan, Texas
  13. 1.5 21 km E of Forsan, Texas
  14. 1.7 10 km WSW of Stanton, Texas
  15. 1.6 28 km E of Forsan, 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.

On USGS

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