QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

3 km NNW of Covington, Oklahoma

· 7.3 km deep · released about 25 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Garfield County 17 kmNoble County 33 kmLogan County 49 kmKingfisher County 52 kmGrant County 53 kmPayne County 63 kmKay County 67 kmAlfalfa County 78 kmPawnee County 81 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
7.3 km below the surface
Felt
no reports yet
Nearest
Garfield County, 17 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1713 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 25 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 5.8 620,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 440,000× the energy of this one
  3. Around the size people start to feel M 3.0 39× the energy of this one
  4. This earthquake M 1.9 about 25 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 36.3363, -97.6043. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Garfield County, OK 17 km (11 mi) ESE of here earthquakes near Garfield County
Noble County, OK 33 km (21 mi) W of here earthquakes near Noble County
Logan County, OK 49 km (30 mi) NNW of here earthquakes near Logan County
Kingfisher County, OK 52 km (32 mi) NE of here earthquakes near Kingfisher County
Grant County, OK 53 km (33 mi) SSE of here earthquakes near Grant County
Payne County, OK 63 km (39 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

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

  1. 2.1 Oklahoma
  2. 2.2 5 km E of Hennessey, Oklahoma
  3. 1.5 5 km E of Hennessey, Oklahoma
  4. 1.6 9 km ESE of Jefferson, Oklahoma
  5. 1.7 11 km SSE of Red Rock, Oklahoma
  6. 1.6 1 km N of Fairmont, Oklahoma
  7. 1.9 10 km NW of Perry, Oklahoma
  8. 1.9 9 km W of Lamont, Oklahoma
  9. 1.6 5 km E of Hennessey, Oklahoma
  10. 1.5 5 km E of Hennessey, Oklahoma
  11. 2.2 5 km E of Hennessey, Oklahoma
  12. 1.7 3 km SE of Marshall, Oklahoma
  13. 1.7 6 km N of Dover, Oklahoma
  14. 1.5 2 km E of Hennessey, Oklahoma
  15. 1.5 2 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 9,800 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.