QuakeIndex

Earthquake · reviewed by a seismologist

M 1.8ml

Earthquake near Crescent, OK

No earthquake was likely felt in Crescent in the 24 hours to 7:36 am CST (13:36 UTC). The last one was M 3.4, 56 km (34 mi) SW, at 5:53 am CST on 7 November 2026, estimated intensity III (weak) in town; 23 felt reports to USGS. Every earthquake near Crescent

This page: a magnitude 1.8 earthquake was recorded 9 km (5 mi) west of Crescent, OK, at 11:45 pm CST on 17 January 2021 (05:45 UTC), 6.9 km deep.

USGS: 8 km W of Crescent, Oklahoma

55 km (34 mi) NNW of Oklahoma City, OK · 39 km (24 mi) NW of Edmond, OK

11:45 pm CST, Jan 17, 2021 · · 6.9 km deep · released about 17 lb of TNT

10 km30 km60 km120 km N Logan County 22 kmKingfisher County 22 kmGarfield County 50 kmOklahoma County 50 kmCanadian County 51 kmNoble County 64 kmPayne County 66 kmBlaine County 67 kmLincoln 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
11:45 pm CST on 17 January 2021 ()
Where
9 km (5 mi) west of Crescent, OK · earthquakes near Crescent
Oklahoma today
every earthquake in Oklahoma in the last 24 hours
Magnitude
M 1.8 (ml)
Depth
6.9 km below the surface
Felt
no reports yet
Nearest
Logan County, 22 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2122 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth, people at rest would likely notice it out to about 17 km (11 mi) from the epicentre. In Crescent, 9 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Likely felt in: Crescent 9 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 17 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.8 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 900,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 640,000× the energy of this one
  3. Around the size people start to feel M 3.0 57× the energy of this one
  4. This earthquake M 1.8 about 17 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.

For this area

The largest earthquake within 50 km since 2016 was M 4.6 on 2018-04-09 — about 14,000 times the energy of this one.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 35.9388, -97.6908. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Logan County, OK 22 km (14 mi) E earthquakes near Logan County
Kingfisher County, OK 22 km (14 mi) W earthquakes near Kingfisher County
Garfield County, OK 50 km (31 mi) N earthquakes near Garfield County
Oklahoma County, OK 50 km (31 mi) SSE earthquakes near Oklahoma County
Canadian County, OK 51 km (32 mi) SSW earthquakes near Canadian County
Noble County, OK 64 km (40 mi) NE earthquakes near Noble County

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

Aftershocks so far

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

  1. 1.7 9 km ESE of Mulhall, Oklahoma
  2. 1.9 5 km WNW of Lucien, Oklahoma
  3. 1.7 5 km WNW of Lucien, Oklahoma
  4. 2.4 12 km NW of Edmond, Oklahoma
  5. 1.7 11 km NW of Edmond, Oklahoma
  6. 1.7 13 km SSW of Loyal, Oklahoma
  7. 1.6 4 km W of Lucien, Oklahoma
  8. 1.5 13 km SSW of Loyal, Oklahoma
  9. 1.8 5 km ESE of Covington, Oklahoma
  10. 1.8 5 km ESE of Covington, Oklahoma
  11. 1.8 6 km WNW of Lucien, Oklahoma
  12. 1.9 5 km ESE of Covington, Oklahoma
  13. 3.4 6 km ESE of Covington, Oklahoma
  14. 2.0 5 km ESE of Covington, Oklahoma
  15. 1.8 3 km W 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.