QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5ml

Earthquake near Wilson, OK

No earthquake was likely felt in Wilson in the 24 hours to 8:05 pm CDT (01:05 UTC). The last one was M 2.8, 34 km (21 mi) NNW, at 8:41 pm CDT on 17 October 2026, estimated intensity II (weak) in town; 4 felt reports to USGS. Every earthquake near Wilson

This page: a magnitude 2.5 earthquake was recorded 11 km (7 mi) south-southeast of Wilson, OK, at 4:40 pm CDT on 13 August 2018 (21:40 UTC), 5.8 km deep.

USGS: 10 km SSE of Wilson, Oklahoma

4:40 pm CDT, Aug 13, 2018 · · 5.8 km deep · released about 170 lb of TNT

10 km30 km60 km120 km N Love County 18 kmCarter County 22 kmJefferson County 42 kmCooke County 51 kmMontague County 54 kmMurray County 55 kmMarshall County 57 kmStephens County 63 kmGarvin County 71 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
4:40 pm CDT on 13 August 2018 ()
Where
11 km (7 mi) south-southeast of Wilson, OK · earthquakes near Wilson
Oklahoma today
every earthquake in Oklahoma in the last 24 hours
Magnitude
M 2.5 (ml)
Depth
5.8 km below the surface
Felt
no reports yet
Nearest
Love County, 18 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2915 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 46 km (29 mi) from the epicentre. In Wilson, 11 km away, the estimate is intensity III (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: Wilson 11 km, intensity III · Healdton 20 km, intensity II · Ardmore 25 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 170 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 89,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 63,000× the energy of this one
  3. Around the size people start to feel M 3.0 5.6× the energy of this one
  4. This earthquake M 2.5 about 170 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 34.0694, -97.3859. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Love County, OK 18 km (11 mi) SE earthquakes near Love County
Carter County, OK 22 km (14 mi) NNE earthquakes near Carter County
Jefferson County, OK 42 km (26 mi) W earthquakes near Jefferson County
Cooke County, TX 51 km (31 mi) SSE earthquakes near Cooke County
Montague County, TX 54 km (33 mi) SW earthquakes near Montague County
Murray County, OK 55 km (34 mi) NNE earthquakes near Murray County

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

Aftershocks so far

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

  1. 2.1 15 km W of Marietta, Oklahoma
  2. 1.8 11 km SE of Katie, Oklahoma
  3. 1.7 13 km W of Marietta, Oklahoma
  4. 1.9 10 km SE of Katie, Oklahoma
  5. 1.5 12 km W of Davis, Oklahoma
  6. 1.7 16 km ESE of Tatums, Oklahoma
  7. 1.9 5 km NW of Marietta, Oklahoma
  8. 1.6 10 km SE of Katie, Oklahoma
  9. 2.5 14 km NE of Leon, Oklahoma
  10. 1.7 8 km WSW of Davis, Oklahoma
  11. 1.5 14 km ENE of Leon, Oklahoma
  12. 1.5 13 km NE of Leon, Oklahoma
  13. 2.5 13 km NE of Leon, Oklahoma
  14. 2.0 13 km NE of Leon, Oklahoma
  15. 1.9 12 km SE of Ratliff City, 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.