Oklahoma earthquakes

M3.0 earthquake 3 km W of Bradley, Oklahoma

A magnitude 3.0 earthquake struck 3 km W of Bradley, Oklahoma on Thu, Aug 18, 2011, 11:50 AM CDT (16:50 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.

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Map

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

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The earthquake

Magnitude
3.0 (ml), minor
Local time
UTC
2011-08-18 16:50:52 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
34.881° N, 97.744° 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 IV, light 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
81°
Stations used
24

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 9 in the 30 days before it.

After

  1. 2.51 km ENE of Spencer, Oklahoma · 5517 days ago · 5 km deep · 80 km away · felt by 11
  2. 2.91 km E of Spencer, Oklahoma · 5516 days ago · 7 km deep · 79 km away · felt by 58
  3. 3.01 km E of Choctaw, Oklahoma · 5508 days ago · 3 km deep · 82 km away · felt by 66
  4. 2.65 km SW of Luther, Oklahoma · 5508 days ago · 3 km deep · 95 km away
  5. 2.52 km ESE of Arcadia, Oklahoma · 5508 days ago · 3 km deep · 95 km away
  6. 2.72 km W of Luther, Oklahoma · 5504 days ago · 3 km deep · 99 km away · felt by 11
  7. 2.70 km ENE of Spencer, Oklahoma · 5503 days ago · 3 km deep · 79 km away · felt by 11
  8. 3.05 km NE of McLoud, Oklahoma · 5503 days ago · 5 km deep · 91 km away · felt by 11
  9. 2.69 km E of Katie, Oklahoma · 5502 days ago · 0 km deep · 57 km away
  10. 2.42 km SW of Luther, Oklahoma · 5497 days ago · 3 km deep · 97 km away
  11. 3.35 km SW of Luther, Oklahoma · 5496 days ago · 3 km deep · 95 km away · felt by 29
  12. 2.62 km E of Choctaw, Oklahoma · 5490 days ago · 4 km deep · 82 km away
  13. 2.50 km SSE of Jones, Oklahoma · 5476 days ago · 4 km deep · 86 km away
  14. 3.03 km ENE of Choctaw, Oklahoma · 5473 days ago · 4 km deep · 83 km away

Before

  1. 2.73 km NE of Midwest City, Oklahoma · 5523 days ago · 15 km deep · 74 km away
  2. 2.13 km NW of Harrah, Oklahoma · 5523 days ago · 5 km deep · 86 km away
  3. 2.52 km ESE of Arcadia, Oklahoma · 5529 days ago · 5 km deep · 95 km away
  4. 2.54 km NNE of Midwest City, Oklahoma · 5532 days ago · 4 km deep · 75 km away · felt by 85
  5. 2.50 km SW of Del City, Oklahoma · 5532 days ago · 5 km deep · 67 km away · felt by 24
  6. 3.04 km NE of Choctaw, Oklahoma · 5539 days ago · 5 km deep · 85 km away · felt by 28
  7. 2.61 km E of Choctaw, Oklahoma · 5541 days ago · 8 km deep · 82 km away
  8. 2.71 km E of Choctaw, Oklahoma · 5541 days ago · 8 km deep · 82 km away
  9. 2.3Oklahoma · 5543 days ago · 8 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000j6n5 (also filed as usc0005g9s). Read Tue, Sep 29, 2026, 5:06 PM UTC.