QuakeIndex

Earthquake · reviewed by a seismologist

M 3.2ml

4 km SW of Dibble, Oklahoma

· 2.6 km deep · released about 1,700 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Grady County 20 kmMcClain County 20 kmCleveland County 38 kmGarvin County 47 kmStephens County 61 kmOklahoma County 65 kmCanadian County 66 kmCaddo County 67 kmPottawatomie County 69 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 3.2 (ml)
Depth
2.6 km below the surface
Felt
28 reports · strongest reported intensity V
Measured shaking
intensity IV (ShakeMap)
Nearest
Grady County, 20 km W
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 703 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 28 people have reported feeling it to USGS.

How big was it?

This earthquake released about 1,700 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.2 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 200,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 8,800× the energy of this one
  3. Magna, Utah 2020 M 5.7 6,200× the energy of this one
  4. This earthquake M 3.2 about 1,700 lb of TNT
  5. Around the size people start to feel M 3.0 this one released 1.8× more

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 35.0087, -97.6703. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Grady County, OK 20 km (12 mi) E of here earthquakes near Grady County
McClain County, OK 20 km (12 mi) W of here earthquakes near McClain County
Cleveland County, OK 38 km (24 mi) SW of here earthquakes near Cleveland County
Garvin County, OK 47 km (29 mi) NW of here earthquakes near Garvin County
Stephens County, OK 61 km (38 mi) NNE of here earthquakes near Stephens County
Oklahoma County, OK 65 km (40 mi) SSW of here earthquakes near Oklahoma County

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

Aftershocks so far

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

  1. 1.5 2 km W of Bridge Creek, Oklahoma
  2. 1.8 2 km WNW of Bridge Creek, Oklahoma
  3. 1.5 3 km W of Bridge Creek, Oklahoma
  4. 1.8 2 km WNW of Bridge Creek, Oklahoma
  5. 1.5 3 km NNE of Cole, Oklahoma
  6. 2.0 0 km WNW of Cole, Oklahoma
  7. 1.7 5 km N of Cole, Oklahoma
  8. 1.7 5 km N of Cole, Oklahoma
  9. 1.9 0 km W of Cole, Oklahoma
  10. 1.9 0 km N of Cole, Oklahoma
  11. 1.8 0 km NNW of Cole, Oklahoma
  12. 1.9 5 km N of Verden, Oklahoma
  13. 1.8 6 km NNE of Verden, Oklahoma
  14. 2.0 0 km N of Cole, Oklahoma
  15. 1.5 0 km SSW of Cole, 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.