QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2ml

5 km SW of Spaulding, Oklahoma

· 20 km deep · released about 56 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Hughes County 22 kmSeminole County 23 kmPontotoc County 35 kmCoal County 47 kmPottawatomie County 51 kmOkfuskee County 56 kmPittsburg County 66 kmJohnston County 76 kmAtoka County 76 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 2.2 (ml)
Depth
20 km below the surface
Felt
no reports yet
Nearest
Hughes County, 22 km ENE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 629 days ago

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

How big was it?

This earthquake released about 56 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 270,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 190,000× the energy of this one
  3. Around the size people start to feel M 3.0 17× the energy of this one
  4. This earthquake M 2.2 about 56 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.

Where

Epicentre 34.9767, -96.4745. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Hughes County, OK 22 km (14 mi) WSW of here earthquakes near Hughes County
Seminole County, OK 23 km (15 mi) SSE of here earthquakes near Seminole County
Pontotoc County, OK 35 km (22 mi) NE of here earthquakes near Pontotoc County
Coal County, OK 47 km (29 mi) NNW of here earthquakes near Coal County
Pottawatomie County, OK 51 km (32 mi) ESE of here earthquakes near Pottawatomie County
Okfuskee County, OK 56 km (35 mi) SSW of here earthquakes near Okfuskee County

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

Aftershocks so far

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

  1. 1.6 7 km WNW of Arpelar, Oklahoma
  2. 1.6 2 km SE of Stonewall, Oklahoma
  3. 1.6 11 km SE of Bowlegs, Oklahoma
  4. 1.5 13 km SSW of Stonewall, Oklahoma
  5. 1.7 6 km SW of Stonewall, Oklahoma
  6. 1.6 6 km E of Francis, Oklahoma
  7. 1.9 5 km S of Ashland, Oklahoma
  8. 1.6 3 km SW of Fitzhugh, Oklahoma
  9. 1.6 7 km SSE of Tupelo, Oklahoma
  10. 1.5 5 km NW of Horntown, 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.