QuakeIndex

Earthquake · reviewed by a seismologist

M 2.4ml

2 km SE of Cimarron City, Oklahoma

· 7.0 km deep · released about 140 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Logan County 13 kmKingfisher County 32 kmOklahoma County 39 kmCanadian County 51 kmGarfield County 59 kmPayne County 60 kmNoble County 65 kmLincoln County 67 kmBlaine County 76 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
7.0 km below the surface
Felt
3 reports · strongest reported intensity V
Nearest
Logan County, 13 km ENE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1336 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 3 people have reported feeling it to USGS.

How big was it?

This earthquake released about 140 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 5.8 110,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 78,000× the energy of this one
  3. Around the size people start to feel M 3.0 6.9× the energy of this one
  4. This earthquake M 2.4 about 140 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 35.8742, -97.5887. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Logan County, OK 13 km (8 mi) WSW of here earthquakes near Logan County
Kingfisher County, OK 32 km (20 mi) ESE of here earthquakes near Kingfisher County
Oklahoma County, OK 39 km (24 mi) NNW of here earthquakes near Oklahoma County
Canadian County, OK 51 km (32 mi) NE of here earthquakes near Canadian County
Garfield County, OK 59 km (37 mi) SSE of here earthquakes near Garfield County
Payne County, OK 60 km (37 mi) WSW of here earthquakes near Payne County

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

Aftershocks so far

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

  1. 2.0 Oklahoma
  2. 1.7 9 km S of Okarche, Oklahoma
  3. 1.6 10 km N of El Reno, Oklahoma
  4. 1.8 10 km S of Okarche, Oklahoma
  5. 1.6 Oklahoma
  6. 1.6 10 km NNW of El Reno, Oklahoma
  7. 1.6 9 km S of Okarche, Oklahoma
  8. 1.5 8 km E of Calumet, Oklahoma
  9. 1.7 4 km ENE of Meridian, Oklahoma
  10. 1.5 4 km W of Lucien, Oklahoma
  11. 2.1 Oklahoma
  12. 1.7 4 km NNW of Dover, Oklahoma
  13. 1.6 0 km NW of Hennessey, Oklahoma
  14. 2.0 6 km SSW of Hennessey, Oklahoma
  15. 1.6 5 km E of Hennessey, Oklahoma

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 4.6 on 2018-04-09 — it released about 1,700 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.