QuakeIndex

Earthquake · reviewed by a seismologist

M 3.7mwr

10 km SSE of Marshall, Oklahoma

· 7.4 km deep · released about 5.4 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Logan County 20 kmKingfisher County 36 kmGarfield County 40 kmNoble County 46 kmPayne County 53 kmOklahoma County 59 kmCanadian County 70 kmLincoln County 74 kmBlaine 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 3.7 (mwr)
Depth
7.4 km below the surface
Felt
122 reports · strongest reported intensity IV
Measured shaking
intensity IV (ShakeMap)
USGS impact alert
green
Nearest
Logan County, 20 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2382 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 122 people have reported feeling it to USGS.

How big was it?

This earthquake released about 5.4 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.7 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 32,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 1,400× the energy of this one
  3. Magna, Utah 2020 M 5.7 1,000× the energy of this one
  4. This earthquake M 3.7 about 5.4 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 11× 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 36.0716, -97.5655. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Logan County, OK 20 km (13 mi) NNW of here earthquakes near Logan County
Kingfisher County, OK 36 km (22 mi) ENE of here earthquakes near Kingfisher County
Garfield County, OK 40 km (25 mi) SSE of here earthquakes near Garfield County
Noble County, OK 46 km (28 mi) SW of here earthquakes near Noble County
Payne County, OK 53 km (33 mi) W of here earthquakes near Payne County
Oklahoma County, OK 59 km (37 mi) NNW of here earthquakes near Oklahoma County

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

Aftershocks so far

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

  1. 2.5 5 km SSW of Langston, Oklahoma
  2. 3.1 5 km SSW of Langston, Oklahoma
  3. 2.6 5 km SSW of Langston, Oklahoma
  4. 3.0 5 km SSW of Langston, Oklahoma
  5. 2.5 5 km SSW of Langston, Oklahoma
  6. 3.1 5 km E of Edmond, Oklahoma
  7. 2.9 4 km W of Lucien, Oklahoma
  8. 2.8 13 km ESE of Dover, Oklahoma
  9. 2.6 5 km ESE of Covington, Oklahoma
  10. 3.4 5 km ESE of Covington, Oklahoma
  11. 2.5 4 km W of Lucien, Oklahoma
  12. 2.8 Oklahoma
  13. 3.5 6 km NNW of Meridian, Oklahoma
  14. 3.0 10 km E of Dover, Oklahoma
  15. 3.2 6 km NNW of Meridian, 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 22 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.