Oklahoma earthquakes

M2.5 earthquake 14 km WSW of Ralston, Oklahoma

A magnitude 2.5 earthquake struck 14 km WSW of Ralston, Oklahoma on Sun, Aug 20, 2017, 4:44 AM CDT (09:44 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M2.8 10 km WSW of Shamrock, 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
2.5 (ml), micro
Local time
UTC
2017-08-20 09:44:03 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
36.454° N, 96.883° 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.

Location uncertainty
About 2.2 km horizontally, 5.2 km in depth
Station coverage gap
47°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 92 in the 60 days after this one and 75 in the 30 days before it.

After

  1. 2.810 km WSW of Shamrock, Oklahoma · 3320 days ago · 6 km deep · 68 km away
  2. 3.110 km WSW of Shamrock, Oklahoma · 3320 days ago · 7 km deep · 68 km away · felt by 3
  3. 2.515 km NW of Pawnee, Oklahoma · 3320 days ago · 5 km deep · 5 km away
  4. 2.65 km NE of Morrison, Oklahoma · 3319 days ago · 5 km deep · 16 km away · felt by 1
  5. 2.68 km SSE of Covington, Oklahoma · 3319 days ago · 8 km deep · 64 km away
  6. 1.911 km N of Caldwell, Kansas · 3318 days ago · 3 km deep · 100 km away
  7. 3.66 km ENE of Edmond, Oklahoma · 3317 days ago · 6 km deep · 99 km away · felt by 66
  8. 2.710 km WSW of Shamrock, Oklahoma · 3317 days ago · 7 km deep · 68 km away
  9. 1.68 km SSE of Mayfield, Kansas · 3317 days ago · 4 km deep · 99 km away
  10. 2.18 km SSE of Mayfield, Kansas · 3317 days ago · 4 km deep · 99 km away
  11. 1.68 km SSE of Mayfield, Kansas · 3317 days ago · 3 km deep · 99 km away
  12. 3.24 km NE of Coyle, Oklahoma · 3317 days ago · 7 km deep · 60 km away · felt by 4
  13. 1.68 km SSE of Mayfield, Kansas · 3317 days ago · 4 km deep · 99 km away
  14. 1.58 km SSE of Mayfield, Kansas · 3317 days ago · 3 km deep · 99 km away
  15. 2.46 km WSW of Perry, Oklahoma · 3316 days ago · 8 km deep · 47 km away
  16. 1.98 km N of Caldwell, Kansas · 3316 days ago · 5 km deep · 96 km away
  17. 2.68 km NE of Marshall, Oklahoma · 3316 days ago · 7 km deep · 67 km away
  18. 2.79 km NE of Marshall, Oklahoma · 3316 days ago · 4 km deep · 66 km away
  19. 2.18 km SSE of Mayfield, Kansas · 3315 days ago · 4 km deep · 99 km away
  20. 2.96 km W of Lucien, Oklahoma · 3314 days ago · 4 km deep · 60 km away · felt by 4
  21. 2.36 km E of Hennessey, Oklahoma · 3313 days ago · 5 km deep · 94 km away
  22. 2.27 km S of Guthrie, Oklahoma · 3313 days ago · 7 km deep · 87 km away · felt by 1
  23. 2.95 km SE of Guthrie, Oklahoma · 3312 days ago · 6 km deep · 81 km away · felt by 8
  24. 3.44 km WNW of Lucien, Oklahoma · 3312 days ago · 7 km deep · 59 km away · felt by 4
  25. 2.76 km E of Hennessey, Oklahoma · 3310 days ago · 4 km deep · 93 km away · felt by 4
  26. 2.710 km ESE of Jefferson, Oklahoma · 3306 days ago · 8 km deep · 76 km away
  27. 3.71 km E of Luther, Oklahoma · 3305 days ago · 5 km deep · 92 km away · felt by 29
  28. 3.36 km S of Glencoe, Oklahoma · 3304 days ago · 7 km deep · 32 km away · felt by 47
  29. 2.91 km E of Luther, Oklahoma · 3303 days ago · 6 km deep · 92 km away · felt by 4
  30. 2.66 km ENE of Hennessey, Oklahoma · 3303 days ago · 7 km deep · 93 km away · felt by 2
  31. 2.79 km NNW of Pawnee, Oklahoma · 3303 days ago · 5 km deep · 5 km away
  32. 2.49 km WSW of Shamrock, Oklahoma · 3303 days ago · 6 km deep · 68 km away
  33. 4.39 km ESE of Jefferson, Oklahoma · 3302 days ago · 6 km deep · 77 km away · felt by 827
  34. 3.04 km WNW of Lucien, Oklahoma · 3301 days ago · 7 km deep · 59 km away
  35. 2.54 km WNW of Lucien, Oklahoma · 3301 days ago · 8 km deep · 59 km away
  36. 2.75 km WNW of Lucien, Oklahoma · 3301 days ago · 8 km deep · 59 km away
  37. 3.09 km NNW of Hunter, Oklahoma · 3300 days ago · 8 km deep · 76 km away · felt by 1
  38. 2.84 km WNW of Lucien, Oklahoma · 3300 days ago · 8 km deep · 59 km away · felt by 1
  39. 3.13 km WNW of Cushing, Oklahoma · 3300 days ago · 6 km deep · 52 km away · felt by 19
  40. 2.83 km W of Cushing, Oklahoma · 3300 days ago · 6 km deep · 52 km away
  41. 2.89 km ESE of Jefferson, Oklahoma · 3300 days ago · 8 km deep · 77 km away · felt by 1
  42. 3.33 km WNW of Cushing, Oklahoma · 3300 days ago · 6 km deep · 52 km away · felt by 12
  43. 2.52 km WNW of Cushing, Oklahoma · 3299 days ago · 4 km deep · 52 km away · felt by 9
  44. 2.51 km E of Luther, Oklahoma · 3299 days ago · 5 km deep · 92 km away · felt by 2
  45. 2.72 km SSE of Marshall, Oklahoma · 3299 days ago · 5 km deep · 75 km away
  46. 3.68 km ESE of Sparks, Oklahoma · 3299 days ago · 5 km deep · 100 km away · felt by 34
  47. 3.34 km WNW of Lucien, Oklahoma · 3296 days ago · 7 km deep · 59 km away · felt by 5
  48. 3.45 km WNW of Lucien, Oklahoma · 3295 days ago · 8 km deep · 59 km away · felt by 8
  49. 2.43 km WNW of Cushing, Oklahoma · 3293 days ago · 6 km deep · 52 km away · felt by 2
  50. 3.810 km WSW of Shamrock, Oklahoma · 3293 days ago · 7 km deep · 68 km away · felt by 199
  51. 3.53 km SE of Carney, Oklahoma · 3292 days ago · 6 km deep · 74 km away · felt by 7
  52. 2.53 km ESE of Carney, Oklahoma · 3292 days ago · 7 km deep · 74 km away
  53. 3.32 km WNW of Cushing, Oklahoma · 3291 days ago · 6 km deep · 52 km away · felt by 20
  54. 2.55 km WNW of Lucien, Oklahoma · 3290 days ago · 8 km deep · 59 km away
  55. 3.0Oklahoma · 3290 days ago · 5 km deep · 100 km away · felt by 5
  56. 2.75 km WNW of Lucien, Oklahoma · 3288 days ago · 7 km deep · 59 km away
  57. 2.710 km WSW of Shamrock, Oklahoma · 3288 days ago · 6 km deep · 68 km away · felt by 3
  58. 2.62 km NNW of Fairmont, Oklahoma · 3287 days ago · 5 km deep · 76 km away · felt by 2
  59. 3.810 km SSE of Red Rock, Oklahoma · 3286 days ago · 7 km deep · 24 km away · felt by 67
  60. 2.511 km WSW of Shamrock, Oklahoma · 3285 days ago · 5 km deep · 68 km away

The first 60 of 92.

Before

  1. 2.47 km S of Guthrie, Oklahoma · 3321 days ago · 6 km deep · 87 km away · felt by 1
  2. 1.69 km WNW of South Haven, Kansas · 3321 days ago · 5 km deep · 90 km away
  3. 1.511 km N of Caldwell, Kansas · 3322 days ago · 4 km deep · 100 km away
  4. 2.75 km NE of Morrison, Oklahoma · 3322 days ago · 5 km deep · 15 km away · felt by 4
  5. 2.53 km NNE of Coyle, Oklahoma · 3322 days ago · 7 km deep · 60 km away
  6. 2.69 km WSW of Shamrock, Oklahoma · 3323 days ago · 6 km deep · 68 km away
  7. 3.37 km ENE of Hennessey, Oklahoma · 3324 days ago · 7 km deep · 91 km away · felt by 12
  8. 2.64 km NE of Marshall, Oklahoma · 3327 days ago · 7 km deep · 70 km away
  9. 2.39 km SSE of Covington, Oklahoma · 3327 days ago · 5 km deep · 64 km away
  10. 2.612 km ESE of Dover, Oklahoma · 3328 days ago · 3 km deep · 98 km away · felt by 1
  11. 1.711 km N of Caldwell, Kansas · 3328 days ago · 3 km deep · 100 km away
  12. 1.65 km ESE of Caldwell, Kansas · 3328 days ago · 7 km deep · 86 km away
  13. 2.710 km SW of Shamrock, Oklahoma · 3328 days ago · 5 km deep · 69 km away · felt by 1
  14. 2.03 km W of Cushing, Oklahoma · 3329 days ago · 6 km deep · 53 km away · felt by 2
  15. 1.610 km N of Caldwell, Kansas · 3331 days ago · 4 km deep · 100 km away
  16. 1.911 km N of Caldwell, Kansas · 3331 days ago · 4 km deep · 100 km away
  17. 1.611 km N of Caldwell, Kansas · 3331 days ago · 4 km deep · 100 km away
  18. 1.911 km N of Caldwell, Kansas · 3331 days ago · 4 km deep · 100 km away
  19. 2.211 km N of Caldwell, Kansas · 3331 days ago · 4 km deep · 99 km away
  20. 3.710 km N of Caldwell, Kansas · 3331 days ago · 6 km deep · 99 km away · felt by 46

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000a9x0. Read Tue, Sep 22, 2026, 9:16 PM UTC.