QuakeIndex

Earthquake · reviewed by a seismologist

M 1.5ml

7 km E of El Reno, Oklahoma

· 4.6 km deep · released about 6.2 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Canadian County 10 kmOklahoma County 42 kmKingfisher County 45 kmLogan County 56 kmGrady County 58 kmCaddo County 62 kmCleveland County 62 kmBlaine County 62 kmMcClain County 70 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 1.5 (ml)
Depth
4.6 km below the surface
Felt
no reports yet
Nearest
Canadian County, 10 km W
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1609 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 6.2 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,500,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,700,000× the energy of this one
  3. Around the size people start to feel M 3.0 150× the energy of this one
  4. This earthquake M 1.5 about 6.2 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 35.5440, -97.8725. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Canadian County, OK 10 km (6 mi) E of here earthquakes near Canadian County
Oklahoma County, OK 42 km (26 mi) W of here earthquakes near Oklahoma County
Kingfisher County, OK 45 km (28 mi) S of here earthquakes near Kingfisher County
Logan County, OK 56 km (35 mi) SW of here earthquakes near Logan County
Grady County, OK 58 km (36 mi) N of here earthquakes near Grady County
Caddo County, OK 62 km (39 mi) NE of here earthquakes near Caddo County

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

Aftershocks so far

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

  1. 1.8 Oklahoma
  2. 2.1 5 km ENE of Minco, Oklahoma
  3. 2.1 5 km E of Minco, Oklahoma
  4. 1.6 6 km ENE of Minco, Oklahoma
  5. 1.5 4 km SSE of Dover, Oklahoma
  6. 2.1 4 km SSE of Dover, Oklahoma
  7. 1.7 4 km SSE of Dover, Oklahoma
  8. 1.5 5 km S of Dover, Oklahoma
  9. 1.6 4 km S of Dover, Oklahoma
  10. 2.8 4 km SSE of Dover, Oklahoma
  11. 1.5 4 km SSE of Dover, Oklahoma
  12. 1.9 4 km SSE of Dover, Oklahoma
  13. 1.5 5 km SSE of Dover, Oklahoma
  14. 1.6 Oklahoma
  15. 2.0 4 km SSE of Dover, 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 4.2 on 2016-01-01 — 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.