QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5mb_lg

3 km ESE of Fairmont, Oklahoma

· 4.2 km deep · released about 170 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Garfield County 11 kmNoble County 39 kmKingfisher County 49 kmGrant County 51 kmLogan County 51 kmPayne County 69 kmKay County 71 kmAlfalfa County 73 kmMajor County 78 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 2.5 (mb_lg)
Depth
4.2 km below the surface
Felt
1 report · strongest reported intensity II
Nearest
Garfield County, 11 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1517 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 170 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 89,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 63,000× the energy of this one
  3. Around the size people start to feel M 3.0 5.6× the energy of this one
  4. This earthquake M 2.5 about 170 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 36.3395, -97.6723. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Garfield County, OK 11 km (7 mi) ESE of here earthquakes near Garfield County
Noble County, OK 39 km (24 mi) W of here earthquakes near Noble County
Kingfisher County, OK 49 km (31 mi) NNE of here earthquakes near Kingfisher County
Grant County, OK 51 km (32 mi) SSE of here earthquakes near Grant County
Logan County, OK 51 km (32 mi) NNW of here earthquakes near Logan County
Payne County, OK 69 km (43 mi) WNW of here earthquakes near Payne County

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

Aftershocks so far

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

  1. 2.9 0 km NE of Breckinridge, Oklahoma
  2. 2.9 13 km SSE of Billings, Oklahoma
  3. 2.5 11 km E of Perry, Oklahoma
  4. 3.2 7 km NNW of Hunter, Oklahoma
  5. 2.5 Oklahoma
  6. 2.5 3 km WNW of Lucien, Oklahoma
  7. 3.3 5 km N of Kremlin, Oklahoma
  8. 3.3 5 km N of Kremlin, Oklahoma
  9. 2.5 4 km NNW of Douglas, Oklahoma
  10. 2.6 5 km WNW of Lucien, Oklahoma
  11. 3.2 6 km ESE of Covington, Oklahoma
  12. 2.9 9 km W of Lamont, Oklahoma
  13. 2.7 3 km WNW of Lucien, Oklahoma
  14. 2.6 0 km W of Lucien, Oklahoma
  15. 2.5 3 km WNW of Lucien, 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.

On USGS

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