QuakeIndex

Earthquake · reviewed by a seismologist

M 2.9ml

Earthquake near Enid, OK

No earthquake was likely felt in Enid in the 24 hours to 10:48 am CST (16:48 UTC). The last one was M 3.4, 89 km (55 mi) S, at 5:53 am CST on 7 November 2026, estimated intensity II (weak) in town; 23 felt reports to USGS. Every earthquake near Enid

This page: a magnitude 2.9 earthquake was recorded 46 km (29 mi) north-northeast of Enid, OK, at 1:19 am CST on 17 February 2016 (07:19 UTC), 5.6 km deep.

USGS: 7 km ESE of Medford, Oklahoma

44 km (28 mi) NNE of Enid, OK · 145 km (90 mi) N of Oklahoma City, OK

1:19 am CST, Feb 17, 2016 · · 5.6 km deep · released about 680 lb of TNT

10 km30 km60 km120 km N Grant County 11 kmGarfield County 45 kmKay County 46 kmSumner County 54 kmNoble County 57 kmHarper County 59 kmAlfalfa County 59 kmCowley County 90 kmMajor County 94 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
1:19 am CST on 17 February 2016 ()
Where
46 km (29 mi) north-northeast of Enid, OK · earthquakes near Enid
Oklahoma today
every earthquake in Oklahoma in the last 24 hours
Magnitude
M 2.9 (ml)
Depth
5.6 km below the surface
Felt
no reports yet
Nearest
Grant County, 11 km W
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3851 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth, people at rest would likely notice it out to about 67 km (42 mi) from the epicentre. In Enid, 46 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: Caldwell 30 km, intensity III · Blackwell 34 km, intensity III · Enid 46 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 680 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 22,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 16,000× the energy of this one
  3. Around the size people start to feel M 3.0 1.4× the energy of this one
  4. This earthquake M 2.9 about 680 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

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

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 36.7701, -97.6615. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Grant County, OK 11 km (7 mi) W earthquakes near Grant County
Garfield County, OK 45 km (28 mi) SSW earthquakes near Garfield County
Kay County, OK 46 km (29 mi) E earthquakes near Kay County
Sumner County, KS 54 km (34 mi) NNE earthquakes near Sumner County
Noble County, OK 57 km (36 mi) SE earthquakes near Noble County
Harper County, KS 59 km (37 mi) NW earthquakes near Harper County

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

Aftershocks so far

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

  1. 3.4 7 km SSE of Pond Creek, Oklahoma
  2. 3.4 2 km NW of Fairmont, Oklahoma
  3. 1.7 11 km WNW of Caldwell, Kansas
  4. 3.0 1 km NE of Jet, Oklahoma
  5. 3.0 8 km SW of Hunter, Oklahoma
  6. 1.6 9 km ENE of Bluff City, Kansas
  7. 1.7 5 km ESE of Caldwell, Kansas
  8. 2.9 5 km E of Pond Creek, Oklahoma
  9. 1.7 6 km ESE of Freeport, Kansas
  10. 2.9 7 km SSE of Pond Creek, Oklahoma
  11. 1.6 10 km ESE of Bluff City, Kansas
  12. 1.6 8 km S of Anthony, Kansas
  13. 1.7 4 km SW of Bluff City, Kansas
  14. 3.1 4 km SE of Jet, Oklahoma
  15. 2.5 3 km N of Nash, 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.