Oklahoma earthquakes

M2.1 earthquake 3 km NW of Harrah, Oklahoma

A magnitude 2.1 earthquake struck 3 km NW of Harrah, Oklahoma on Tue, Aug 16, 2011, 1:29 PM CDT (18:29 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.

Harrah 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
2.1 (md), micro
Local time
UTC
2011-08-16 18:29:53 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
35.512° N, 97.194° W
Region
Oklahoma
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Station coverage gap
133°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.73 km NE of Midwest City, Oklahoma · 5522 days ago · 15 km deep · 16 km away
  2. 3.03 km W of Bradley, Oklahoma · 5520 days ago · 5 km deep · 86 km away · felt by 11
  3. 2.51 km ENE of Spencer, Oklahoma · 5516 days ago · 5 km deep · 16 km away · felt by 11
  4. 2.91 km E of Spencer, Oklahoma · 5515 days ago · 7 km deep · 15 km away · felt by 58
  5. 3.01 km E of Choctaw, Oklahoma · 5507 days ago · 3 km deep · 5 km away · felt by 66
  6. 2.65 km SW of Luther, Oklahoma · 5507 days ago · 3 km deep · 13 km away
  7. 2.52 km ESE of Arcadia, Oklahoma · 5507 days ago · 3 km deep · 19 km away
  8. 2.72 km W of Luther, Oklahoma · 5503 days ago · 3 km deep · 17 km away · felt by 11
  9. 2.70 km ENE of Spencer, Oklahoma · 5502 days ago · 3 km deep · 16 km away · felt by 11
  10. 3.05 km NE of McLoud, Oklahoma · 5502 days ago · 5 km deep · 14 km away · felt by 11
  11. 2.42 km SW of Luther, Oklahoma · 5497 days ago · 3 km deep · 15 km away
  12. 3.35 km SW of Luther, Oklahoma · 5495 days ago · 3 km deep · 14 km away · felt by 29
  13. 2.62 km E of Choctaw, Oklahoma · 5489 days ago · 4 km deep · 5 km away
  14. 2.50 km SSE of Jones, Oklahoma · 5476 days ago · 4 km deep · 10 km away
  15. 3.03 km ENE of Choctaw, Oklahoma · 5473 days ago · 4 km deep · 4 km away
  16. 2.510 km W of Shamrock, Oklahoma · 5464 days ago · 5 km deep · 62 km away

Before

  1. 2.52 km ESE of Arcadia, Oklahoma · 5528 days ago · 5 km deep · 19 km away
  2. 2.54 km NNE of Midwest City, Oklahoma · 5531 days ago · 4 km deep · 17 km away · felt by 85
  3. 2.50 km SW of Del City, Oklahoma · 5532 days ago · 5 km deep · 25 km away · felt by 24
  4. 3.04 km NE of Choctaw, Oklahoma · 5538 days ago · 5 km deep · 3 km away · felt by 28
  5. 2.61 km E of Choctaw, Oklahoma · 5540 days ago · 8 km deep · 6 km away
  6. 2.71 km E of Choctaw, Oklahoma · 5540 days ago · 8 km deep · 5 km away
  7. 2.3Oklahoma · 5542 days ago · 8 km deep · 4 km away
  8. 2.510 km S of Paden, Oklahoma · 5546 days ago · 1 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000j6jc. Read Tue, Sep 29, 2026, 12:11 AM UTC.