Oklahoma earthquakes

M2.5 earthquake 1 km ENE of Spencer, Oklahoma

A magnitude 2.5 earthquake struck 1 km ENE of Spencer, Oklahoma on Mon, Aug 22, 2011, 5:38 PM CDT (22:38 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 5 km SW of Luther, Oklahoma. This one was a foreshock.

Spencer forecastMore in Oklahoma

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.5 (ml), micro
Local time
UTC
2011-08-22 22:38:38 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
35.526° N, 97.366° W
Region
Oklahoma
Felt reports
11
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

11 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Station coverage gap
107°
Stations used
13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.91 km E of Spencer, Oklahoma · 5514 days ago · 7 km deep · 1 km away · felt by 58
  2. 3.01 km E of Choctaw, Oklahoma · 5506 days ago · 3 km deep · 11 km away · felt by 66
  3. 2.65 km SW of Luther, Oklahoma · 5506 days ago · 3 km deep · 16 km away
  4. 2.52 km ESE of Arcadia, Oklahoma · 5506 days ago · 3 km deep · 16 km away
  5. 2.72 km W of Luther, Oklahoma · 5502 days ago · 3 km deep · 20 km away · felt by 11
  6. 2.70 km ENE of Spencer, Oklahoma · 5502 days ago · 3 km deep · 1 km away · felt by 11
  7. 3.05 km NE of McLoud, Oklahoma · 5501 days ago · 5 km deep · 30 km away · felt by 11
  8. 2.42 km SW of Luther, Oklahoma · 5496 days ago · 3 km deep · 19 km away
  9. 3.35 km SW of Luther, Oklahoma · 5495 days ago · 3 km deep · 16 km away · felt by 29
  10. 2.62 km E of Choctaw, Oklahoma · 5489 days ago · 4 km deep · 11 km away
  11. 2.50 km SSE of Jones, Oklahoma · 5475 days ago · 4 km deep · 8 km away
  12. 3.03 km ENE of Choctaw, Oklahoma · 5472 days ago · 4 km deep · 12 km away
  13. 2.510 km W of Shamrock, Oklahoma · 5463 days ago · 5 km deep · 73 km away
  14. 2.93 km WSW of Nicoma Park, Oklahoma · 5459 days ago · 5 km deep · 5 km away · felt by 259

Before

  1. 3.03 km W of Bradley, Oklahoma · 5520 days ago · 5 km deep · 80 km away · felt by 11
  2. 2.73 km NE of Midwest City, Oklahoma · 5521 days ago · 15 km deep · 7 km away
  3. 2.13 km NW of Harrah, Oklahoma · 5522 days ago · 5 km deep · 16 km away
  4. 2.52 km ESE of Arcadia, Oklahoma · 5527 days ago · 5 km deep · 15 km away
  5. 2.54 km NNE of Midwest City, Oklahoma · 5531 days ago · 4 km deep · 5 km away · felt by 85
  6. 2.50 km SW of Del City, Oklahoma · 5531 days ago · 5 km deep · 13 km away · felt by 24
  7. 3.04 km NE of Choctaw, Oklahoma · 5537 days ago · 5 km deep · 13 km away · felt by 28
  8. 2.61 km E of Choctaw, Oklahoma · 5539 days ago · 8 km deep · 10 km away
  9. 2.71 km E of Choctaw, Oklahoma · 5539 days ago · 8 km deep · 11 km away
  10. 2.3Oklahoma · 5541 days ago · 8 km deep · 11 km away
  11. 2.510 km S of Paden, Oklahoma · 5545 days ago · 1 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000j6w2 (also filed as usc0005ic0). Read Mon, Sep 28, 2026, 6:28 AM UTC.