QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

7 km W of Wayne, Oklahoma

· 7.0 km deep · released about 25 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N McClain County 12 kmGarvin County 25 kmCleveland County 32 kmGrady County 46 kmPottawatomie County 52 kmMurray County 57 kmStephens County 64 kmPontotoc County 68 kmOklahoma County 70 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 1.9 (ml)
Depth
7.0 km below the surface
Felt
no reports yet
Nearest
McClain County, 12 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2496 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 25 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 600,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 420,000× the energy of this one
  3. Around the size people start to feel M 3.0 38× the energy of this one
  4. This earthquake M 1.9 about 25 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 34.9213, -97.3992. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
McClain County, OK 12 km (7 mi) SSE of here earthquakes near McClain County
Garvin County, OK 25 km (15 mi) NNW of here earthquakes near Garvin County
Cleveland County, OK 32 km (20 mi) SSW of here earthquakes near Cleveland County
Grady County, OK 46 km (28 mi) ESE of here earthquakes near Grady County
Pottawatomie County, OK 52 km (32 mi) SW of here earthquakes near Pottawatomie County
Murray County, OK 57 km (35 mi) NNW of here earthquakes near Murray County

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

Aftershocks so far

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

  1. 1.9 7 km NE of Alex, Oklahoma
  2. 2.2 10 km ESE of Amber, Oklahoma
  3. 1.8 10 km ESE of Amber, Oklahoma
  4. 1.9 8 km NNW of Alex, Oklahoma
  5. 1.6 10 km NNW of Alex, Oklahoma
  6. 1.8 10 km WSW of Blanchard, Oklahoma
  7. 1.9 9 km WSW of Blanchard, Oklahoma
  8. 1.5 9 km ENE of Ninnekah, Oklahoma
  9. 2.3 8 km NNW of Alex, Oklahoma
  10. 1.6 8 km NE of Alex, Oklahoma
  11. 1.6 8 km NE of Alex, Oklahoma
  12. 1.5 8 km NE of Alex, Oklahoma
  13. 1.5 3 km SSE of Erin Springs, Oklahoma
  14. 2.3 11 km ESE of Amber, Oklahoma
  15. 1.8 10 km WSW of Blanchard, 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.