Oklahoma earthquakes

M2.1 earthquake 4 km S of Perry, Oklahoma

A magnitude 2.1 earthquake struck 4 km S of Perry, Oklahoma on Tue, Aug 11, 2015, 3:18 PM CDT (20:18 UTC), 2 km (2 mi) below the surface.

A larger quake followed: M4.4 12 km ENE of Nash, Oklahoma. This one was a foreshock.

Perry 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 (mb_lg), micro
Local time
UTC
2015-08-11 20:18:58 UTC
Depth
2.5 km (1.5 mi), shallow
Epicenter
36.252° N, 97.297° W
Region
Oklahoma
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 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.

Location uncertainty
About 1.0 km horizontally, 7.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
57°
Stations used
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 191 in the 30 days before it.

After

  1. 2.510 km NW of Perkins, Oklahoma · 4064 days ago · 6 km deep · 29 km away · felt by 1
  2. 2.79 km S of Perry, Oklahoma · 4064 days ago · 8 km deep · 6 km away · felt by 1
  3. 2.13 km SSE of Caldwell, Kansas · 4064 days ago · 5 km deep · 87 km away
  4. 1.67 km ENE of Caldwell, Kansas · 4063 days ago · 5 km deep · 92 km away
  5. 1.9Oklahoma · 4063 days ago · 8 km deep · 56 km away
  6. 2.97 km WNW of Lamont, Oklahoma · 4063 days ago · 4 km deep · 60 km away · felt by 4
  7. 2.85 km W of Lucien, Oklahoma · 4063 days ago · 7 km deep · 20 km away
  8. 2.03 km SSE of Caldwell, Kansas · 4063 days ago · 6 km deep · 88 km away
  9. 1.93 km SSE of Caldwell, Kansas · 4063 days ago · 5 km deep · 88 km away
  10. 2.72 km NE of Douglas, Oklahoma · 4063 days ago · 4 km deep · 32 km away
  11. 3.08 km W of Deer Creek, Oklahoma · 4063 days ago · 5 km deep · 69 km away · felt by 1
  12. 3.15 km W of Lucien, Oklahoma · 4063 days ago · 5 km deep · 20 km away · felt by 9
  13. 2.65 km W of Lucien, Oklahoma · 4062 days ago · 5 km deep · 20 km away
  14. 3.410 km NNW of Arcadia, Oklahoma · 4062 days ago · 5 km deep · 57 km away · felt by 23
  15. 2.510 km NNW of Arcadia, Oklahoma · 4062 days ago · 6 km deep · 57 km away
  16. 3.110 km NNW of Arcadia, Oklahoma · 4062 days ago · 6 km deep · 57 km away · felt by 3
  17. 3.35 km SE of Wakita, Oklahoma · 4062 days ago · 5 km deep · 84 km away · felt by 3
  18. 2.63 km NNE of Edmond, Oklahoma · 4062 days ago · 6 km deep · 65 km away
  19. 3.313 km N of Coyle, Oklahoma · 4062 days ago · 5 km deep · 20 km away · felt by 30
  20. 1.66 km ESE of Manchester, Oklahoma · 4062 days ago · 7 km deep · 99 km away
  21. 2.63 km NE of Meno, Oklahoma · 4062 days ago · 7 km deep · 78 km away
  22. 2.35 km NNW of Edmond, Oklahoma · 4061 days ago · 7 km deep · 63 km away · felt by 2
  23. 2.810 km E of Marshall, Oklahoma · 4061 days ago · 5 km deep · 22 km away
  24. 2.92 km ENE of Medford, Oklahoma · 4061 days ago · 5 km deep · 73 km away
  25. 4.16 km WNW of Medford, Oklahoma · 4061 days ago · 0 km deep · 79 km away · felt by 152
  26. 2.96 km WNW of Medford, Oklahoma · 4061 days ago · 1 km deep · 79 km away
  27. 2.34 km ESE of Caldwell, Kansas · 4061 days ago · 6 km deep · 87 km away
  28. 3.05 km NE of Crescent, Oklahoma · 4060 days ago · 5 km deep · 38 km away · felt by 1
  29. 2.86 km W of Arcadia, Oklahoma · 4060 days ago · 6 km deep · 65 km away · felt by 8
  30. 2.97 km WNW of Medford, Oklahoma · 4060 days ago · 3 km deep · 80 km away · felt by 2
  31. 3.08 km WNW of Medford, Oklahoma · 4060 days ago · 3 km deep · 81 km away
  32. 1.611 km WNW of Caldwell, Kansas · 4060 days ago · 5 km deep · 98 km away
  33. 1.613 km WNW of Renfrow, Oklahoma · 4060 days ago · 6 km deep · 90 km away
  34. 2.82 km WNW of Renfrow, Oklahoma · 4060 days ago · 5 km deep · 83 km away
  35. 3.48 km WNW of Medford, Oklahoma · 4059 days ago · 4 km deep · 80 km away
  36. 3.12 km WNW of Renfrow, Oklahoma · 4059 days ago · 2 km deep · 83 km away · felt by 4
  37. 3.34 km SW of Renfrow, Oklahoma · 4058 days ago · 2 km deep · 80 km away
  38. 2.713 km ESE of Red Rock, Oklahoma · 4058 days ago · 1 km deep · 30 km away
  39. 3.35 km ESE of Covington, Oklahoma · 4058 days ago · 7 km deep · 22 km away · felt by 2
  40. 2.76 km WNW of Lucien, Oklahoma · 4058 days ago · 8 km deep · 20 km away
  41. 2.66 km ESE of Covington, Oklahoma · 4058 days ago · 8 km deep · 21 km away
  42. 2.64 km NNE of Edmond, Oklahoma · 4057 days ago · 5 km deep · 64 km away · felt by 5
  43. 1.67 km ENE of Caldwell, Kansas · 4057 days ago · 5 km deep · 92 km away
  44. 2.512 km NNE of Coyle, Oklahoma · 4057 days ago · 5 km deep · 22 km away
  45. 2.64 km NE of Nash, Oklahoma · 4057 days ago · 6 km deep · 81 km away
  46. 2.512 km NNE of Coyle, Oklahoma · 4056 days ago · 4 km deep · 23 km away
  47. 2.67 km WNW of Medford, Oklahoma · 4056 days ago · 5 km deep · 79 km away
  48. 2.72 km WNW of Renfrow, Oklahoma · 4056 days ago · 5 km deep · 84 km away
  49. 2.88 km WNW of Medford, Oklahoma · 4056 days ago · 5 km deep · 80 km away
  50. 3.3Oklahoma · 4055 days ago · 1 km deep · 21 km away · felt by 7
  51. 2.57 km E of Nescatunga, Oklahoma · 4055 days ago · 7 km deep · 90 km away
  52. 2.55 km E of Pond Creek, Oklahoma · 4055 days ago · 7 km deep · 61 km away · felt by 1
  53. 1.62 km S of Caldwell, Kansas · 4055 days ago · 5 km deep · 89 km away
  54. 2.54 km ESE of Covington, Oklahoma · 4055 days ago · 7 km deep · 23 km away
  55. 1.811 km SE of Bluff City, Kansas · 4055 days ago · 7 km deep · 94 km away
  56. 1.69 km WSW of Hunnewell, Kansas · 4055 days ago · 3 km deep · 82 km away
  57. 2.18 km WSW of Hunnewell, Kansas · 4055 days ago · 5 km deep · 83 km away
  58. 2.92 km S of Nescatunga, Oklahoma · 4055 days ago · 6 km deep · 93 km away
  59. 1.88 km WSW of Hunnewell, Kansas · 4055 days ago · 5 km deep · 83 km away
  60. 2.88 km W of Hunnewell, Kansas · 4055 days ago · 6 km deep · 85 km away · felt by 1

The first 60 of at least 201.

Before

  1. 1.77 km NNW of Caldwell, Kansas · 4064 days ago · 2 km deep · 99 km away
  2. 2.75 km SSW of Renfrow, Oklahoma · 4064 days ago · 4 km deep · 78 km away
  3. 2.49 km NNW of Arcadia, Oklahoma · 4064 days ago · 6 km deep · 57 km away · felt by 1
  4. 3.05 km S of Pond Creek, Oklahoma · 4065 days ago · 5 km deep · 62 km away · felt by 2
  5. 2.68 km SW of Perkins, Oklahoma · 4065 days ago · 0 km deep · 40 km away
  6. 3.17 km ESE of Manchester, Oklahoma · 4065 days ago · 5 km deep · 100 km away · felt by 2
  7. 1.68 km NNW of Caldwell, Kansas · 4065 days ago · 6 km deep · 100 km away
  8. 3.52 km ENE of Jet, Oklahoma · 4065 days ago · 6 km deep · 90 km away · felt by 1
  9. 1.79 km WSW of Hunnewell, Kansas · 4065 days ago · 5 km deep · 83 km away
  10. 3.02 km WNW of Renfrow, Oklahoma · 4066 days ago · 0 km deep · 83 km away
  11. 1.68 km WSW of Hunnewell, Kansas · 4066 days ago · 5 km deep · 83 km away
  12. 2.72 km NNW of Morrison, Oklahoma · 4066 days ago · 5 km deep · 26 km away
  13. 2.57 km E of Wakita, Oklahoma · 4066 days ago · 3 km deep · 86 km away
  14. 3.56 km WNW of Medford, Oklahoma · 4067 days ago · 1 km deep · 79 km away · felt by 4
  15. 2.52 km SSW of Wellston, Oklahoma · 4067 days ago · 6 km deep · 67 km away
  16. 2.86 km W of Sparks, Oklahoma · 4067 days ago · 6 km deep · 81 km away · felt by 1
  17. 3.61 km WNW of McLoud, Oklahoma · 4067 days ago · 7 km deep · 92 km away · felt by 28
  18. 2.54 km NE of Crescent, Oklahoma · 4067 days ago · 6 km deep · 38 km away
  19. 1.86 km N of Caldwell, Kansas · 4067 days ago · 5 km deep · 97 km away
  20. 2.64 km S of Pond Creek, Oklahoma · 4067 days ago · 5 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100031a1. Read Sat, Sep 26, 2026, 7:13 PM UTC.