QuakeIndex

Earthquake · reviewed by a seismologist

M 1.8ml

Earthquake near McAlester, OK

No earthquake was likely felt in McAlester in the 24 hours to 10:52 am CST (16:52 UTC). The last one was M 3.4, 220 km (136 mi) WNW, at 5:53 am CST on 7 November 2026, estimated intensity II (weak) in town; 23 felt reports to USGS. Every earthquake near McAlester

This page: a magnitude 1.8 earthquake was recorded 30 km (19 mi) northeast of McAlester, OK, at 10:46 pm CDT on 1 May 2022 (03:46 UTC), 7.3 km deep. 1 person has reported feeling it to USGS.

USGS: 11 km ESE of Canadian, Oklahoma

10:46 pm CDT, May 1, 2022 · · 7.3 km deep · released about 16 lb of TNT

10 km30 km60 km120 km N McIntosh County 29 kmPittsburg County 30 kmLatimer County 38 kmHaskell County 41 kmMuskogee County 56 kmHughes County 65 kmOkmulgee County 69 kmOkfuskee County 81 kmLe Flore 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
10:46 pm CDT on 1 May 2022 ()
Where
30 km (19 mi) northeast of McAlester, OK · earthquakes near McAlester
Oklahoma today
every earthquake in Oklahoma in the last 24 hours
Magnitude
M 1.8 (ml)
Depth
7.3 km below the surface
Felt
1 report · strongest reported intensity II
Nearest
McIntosh County, 29 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1654 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 16 km (10 mi) from the epicentre. In McAlester, 30 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: Quinton 16 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 16 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 5.8 970,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 680,000× the energy of this one
  3. Around the size people start to feel M 3.0 61× the energy of this one
  4. This earthquake M 1.8 about 16 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 35.1317, -95.5413. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
McIntosh County, OK 29 km (18 mi) NNW earthquakes near McIntosh County
Pittsburg County, OK 30 km (18 mi) SW earthquakes near Pittsburg County
Latimer County, OK 38 km (23 mi) SE earthquakes near Latimer County
Haskell County, OK 41 km (25 mi) ENE earthquakes near Haskell County
Muskogee County, OK 56 km (35 mi) NNE earthquakes near Muskogee County
Hughes County, OK 65 km (40 mi) W earthquakes near Hughes County

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

Aftershocks so far

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

  1. 1.9 14 km WSW of Quinton, Oklahoma
  2. 1.6 6 km NE of Lamar, Oklahoma
  3. 1.9 14 km WSW of Quinton, Oklahoma
  4. 2.3 12 km E of Crowder, Oklahoma
  5. 1.6 4 km ENE of Lamar, Oklahoma
  6. 1.8 14 km NNE of Arpelar, Oklahoma
  7. 1.7 14 km NNE of Arpelar, Oklahoma
  8. 1.8 12 km E of Crowder, Oklahoma
  9. 1.7 12 km NNE of Arpelar, Oklahoma
  10. 1.9 11 km E of Lamar, Oklahoma
  11. 1.5 13 km ESE of Crowder, Oklahoma
  12. 1.6 14 km WSW of Quinton, Oklahoma
  13. 2.2 14 km WSW of Quinton, Oklahoma
  14. 1.8 10 km W of Whitefield, Oklahoma
  15. 1.7 10 km E of Crowder, 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.