QuakeIndex

Earthquake · reviewed by a seismologist

M 1.8ml

45 km WSW of Fort Stockton, Texas

· 1.9 km deep · released about 15 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Pecos County 59 kmReeves County 70 kmJeff Davis County 84 kmWard County 85 kmBrewster County 108 kmCrane 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 1.8 (ml)
Depth
1.9 km below the surface
Felt
no reports yet
Nearest
Pecos County, 59 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 186 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 15 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.8 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,000,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 710,000× the energy of this one
  3. Around the size people start to feel M 3.0 63× the energy of this one
  4. This earthquake M 1.8 about 15 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 30.7740, -103.3310. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Pecos County, TX 59 km (36 mi) W of here earthquakes near Pecos County
Reeves County, TX 70 km (43 mi) SSE of here earthquakes near Reeves County
Jeff Davis County, TX 84 km (52 mi) ENE of here earthquakes near Jeff Davis County
Ward County, TX 85 km (53 mi) SSW of here earthquakes near Ward County
Brewster County, TX 108 km (67 mi) N of here earthquakes near Brewster County
Crane County, TX 108 km (67 mi) SW 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. 1.7 29 km ESE of Balmorhea, Texas
  2. 2.1 31 km WSW of Coyanosa, Texas
  3. 1.7 21 km SSE of Lindsay, Texas
  4. 1.7 25 km SE of Lindsay, Texas
  5. 1.6 23 km WSW of Coyanosa, Texas
  6. 1.5 28 km SSE of Lindsay, Texas
  7. 1.5 26 km SE of Lindsay, Texas
  8. 1.7 27 km SE of Lindsay, Texas
  9. 1.9 19 km SSE of Lindsay, Texas
  10. 1.6 27 km SE of Lindsay, Texas
  11. 2.8 22 km SE of Lindsay, Texas
  12. 1.6 9 km NNE of Balmorhea, Texas
  13. 2.0 28 km ENE of Balmorhea, Texas
  14. 2.5 22 km SSE of Lindsay, Texas
  15. 1.6 22 km S of Lindsay, 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.