QuakeIndex

Earthquake · reviewed by a seismologist

M 2.7ml

13 km ESE of Olney, Texas

· 4.1 km deep · released about 340 lb of TNT

10 km30 km60 km120 km N Young County 16 kmArcher County 35 kmJack County 43 kmThrockmorton County 56 kmBaylor County 64 kmStephens County 66 kmClay County 66 kmPalo Pinto County 68 kmWichita County 77 km
Distance rings around the epicentre, with the nearest towns at their true direction. Not a shaking map — see the USGS ShakeMap for that.
When
Magnitude
M 2.7 (ml)
Depth
4.1 km below the surface
Felt
no reports yet
Nearest
Young County, 16 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 865 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

How big was it?

This earthquake released about 340 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 45,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 32,000× the energy of this one
  3. Around the size people start to feel M 3.0 2.8× the energy of this one
  4. This earthquake M 2.7 about 340 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 33.3010, -98.6280. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Young County, TX 16 km (10 mi) NNE of here earthquakes near Young County
Archer County, TX 35 km (22 mi) S of here earthquakes near Archer County
Jack County, TX 43 km (27 mi) W of here earthquakes near Jack County
Throckmorton County, TX 56 km (35 mi) ENE of here earthquakes near Throckmorton County
Baylor County, TX 64 km (40 mi) ESE of here earthquakes near Baylor County
Stephens County, TX 66 km (41 mi) NNE of here earthquakes near Stephens County

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

Aftershocks so far

No further earthquakes have been recorded within 50 km since this one.

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.