Oklahoma earthquakes

M3.8 earthquake 10 km WSW of Shamrock, Oklahoma

A magnitude 3.8 earthquake struck 10 km WSW of Shamrock, Oklahoma on Sat, Sep 16, 2017, 6:26 PM CDT (23:26 UTC), 7 km (4 mi) below the surface.

Stroud 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
3.8 (mwr), minor
Local time
UTC
2017-09-16 23:26:58 UTC
Depth
6.7 km (4.1 mi), shallow
Epicenter
35.861° N, 96.686° W
Region
Oklahoma
Felt reports
199
Strongest shaking
IV, light shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
IV, light shaking
Peak ground acceleration
690.0% of gravity
Peak ground velocity
1.2 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

199 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?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Strike-slip
Moment magnitude
3.8 Mwr
Nodal plane 1
Strike 337°, dip 83°, rake 10°
Nodal plane 2
Strike 245°, dip 80°, rake 172°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.2 km horizontally, 6.7 km in depth
Magnitude uncertainty
±0.05
Station coverage gap
72°
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: 53 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 3.53 km SE of Carney, Oklahoma · 3293 days ago · 6 km deep · 28 km away · felt by 7
  2. 2.53 km ESE of Carney, Oklahoma · 3292 days ago · 7 km deep · 28 km away
  3. 3.32 km WNW of Cushing, Oklahoma · 3291 days ago · 6 km deep · 18 km away · felt by 20
  4. 2.55 km WNW of Lucien, Oklahoma · 3291 days ago · 8 km deep · 88 km away
  5. 3.0Oklahoma · 3290 days ago · 5 km deep · 33 km away · felt by 5
  6. 2.75 km WNW of Lucien, Oklahoma · 3288 days ago · 7 km deep · 88 km away
  7. 2.710 km WSW of Shamrock, Oklahoma · 3288 days ago · 6 km deep · 1 km away · felt by 3
  8. 3.810 km SSE of Red Rock, Oklahoma · 3286 days ago · 7 km deep · 69 km away · felt by 67
  9. 2.511 km WSW of Shamrock, Oklahoma · 3285 days ago · 5 km deep · 0 km away
  10. 2.59 km SW of Shamrock, Oklahoma · 3282 days ago · 7 km deep · 3 km away · felt by 1
  11. 3.03 km WNW of Cushing, Oklahoma · 3282 days ago · 5 km deep · 18 km away · felt by 16
  12. 2.65 km W of Arcadia, Oklahoma · 3282 days ago · 5 km deep · 67 km away · felt by 4
  13. 2.910 km WSW of Shamrock, Oklahoma · 3281 days ago · 6 km deep · 1 km away · felt by 5
  14. 2.67 km W of Shamrock, Oklahoma · 3281 days ago · 6 km deep · 6 km away
  15. 2.610 km WSW of Shamrock, Oklahoma · 3281 days ago · 7 km deep · 1 km away · felt by 1
  16. 2.513 km WSW of Ralston, Oklahoma · 3280 days ago · 8 km deep · 68 km away · felt by 1
  17. 2.89 km SSE of Covington, Oklahoma · 3280 days ago · 8 km deep · 88 km away · felt by 3
  18. 2.69 km SSE of Covington, Oklahoma · 3280 days ago · 6 km deep · 87 km away · felt by 2
  19. 3.37 km NW of Orlando, Oklahoma · 3279 days ago · 8 km deep · 76 km away · felt by 7
  20. 2.53 km WNW of Cushing, Oklahoma · 3279 days ago · 5 km deep · 18 km away · felt by 1
  21. 2.34 km WNW of Lucien, Oklahoma · 3278 days ago · 8 km deep · 88 km away · felt by 3
  22. 2.64 km WNW of Lucien, Oklahoma · 3278 days ago · 5 km deep · 87 km away · felt by 4
  23. 2.64 km WNW of Lucien, Oklahoma · 3277 days ago · 7 km deep · 88 km away
  24. 2.610 km W of Mulhall, Oklahoma · 3275 days ago · 6 km deep · 78 km away
  25. 2.73 km W of Lucien, Oklahoma · 3272 days ago · 7 km deep · 86 km away · felt by 2
  26. 2.75 km WNW of Lucien, Oklahoma · 3271 days ago · 8 km deep · 88 km away
  27. 2.412 km ESE of Dover, Oklahoma · 3270 days ago · 6 km deep · 99 km away
  28. 2.87 km NNE of Guthrie, Oklahoma · 3269 days ago · 6 km deep · 65 km away · felt by 3
  29. 2.46 km W of Arcadia, Oklahoma · 3269 days ago · 6 km deep · 68 km away · felt by 1
  30. 2.96 km W of Arcadia, Oklahoma · 3269 days ago · 6 km deep · 68 km away · felt by 28
  31. 2.86 km W of Arcadia, Oklahoma · 3268 days ago · 7 km deep · 68 km away
  32. 3.37 km NNE of Lake Aluma, Oklahoma · 3268 days ago · 5 km deep · 71 km away · felt by 86
  33. 2.57 km SE of Lucien, Oklahoma · 3263 days ago · 7 km deep · 75 km away
  34. 2.710 km NNE of Kendrick, Oklahoma · 3261 days ago · 6 km deep · 5 km away · felt by 5
  35. 2.97 km SE of Marshall, Oklahoma · 3259 days ago · 7 km deep · 84 km away · felt by 1
  36. 2.75 km WNW of Lucien, Oklahoma · 3258 days ago · 8 km deep · 89 km away · felt by 1
  37. 2.48 km SSE of Perry, Oklahoma · 3258 days ago · 8 km deep · 66 km away · felt by 1
  38. 2.58 km SSE of Perry, Oklahoma · 3257 days ago · 8 km deep · 66 km away · felt by 1
  39. 2.45 km SE of Guthrie, Oklahoma · 3256 days ago · 5 km deep · 64 km away · felt by 3
  40. 2.54 km NNE of Dale, Oklahoma · 3255 days ago · 4 km deep · 57 km away · felt by 2
  41. 3.14 km W of Lucien, Oklahoma · 3255 days ago · 7 km deep · 87 km away · felt by 5
  42. 2.95 km WNW of Lucien, Oklahoma · 3253 days ago · 8 km deep · 88 km away · felt by 2
  43. 2.38 km SSE of Perry, Oklahoma · 3252 days ago · 8 km deep · 66 km away · felt by 1
  44. 2.31 km N of Jones, Oklahoma · 3251 days ago · 6 km deep · 63 km away · felt by 5
  45. 2.69 km SSE of Covington, Oklahoma · 3248 days ago · 8 km deep · 88 km away · felt by 1
  46. 2.54 km NE of Meridian, Oklahoma · 3247 days ago · 7 km deep · 47 km away
  47. 3.09 km W of Orlando, Oklahoma · 3245 days ago · 8 km deep · 79 km away · felt by 1
  48. 3.04 km ENE of Morrison, Oklahoma · 3245 days ago · 6 km deep · 57 km away · felt by 3
  49. 2.910 km WSW of Shamrock, Oklahoma · 3245 days ago · 6 km deep · 1 km away
  50. 2.25 km NE of Edmond, Oklahoma · 3241 days ago · 5 km deep · 70 km away · felt by 3
  51. 3.54 km W of Lucien, Oklahoma · 3241 days ago · 7 km deep · 87 km away · felt by 17
  52. 2.95 km WNW of Lucien, Oklahoma · 3240 days ago · 8 km deep · 88 km away · felt by 2
  53. 2.77 km ENE of Guthrie, Oklahoma · 3237 days ago · 5 km deep · 59 km away · felt by 1

Before

  1. 2.43 km WNW of Cushing, Oklahoma · 3294 days ago · 6 km deep · 18 km away · felt by 2
  2. 3.45 km WNW of Lucien, Oklahoma · 3296 days ago · 8 km deep · 88 km away · felt by 8
  3. 3.34 km WNW of Lucien, Oklahoma · 3296 days ago · 7 km deep · 88 km away · felt by 5
  4. 2.59 km SE of Sparks, Oklahoma · 3299 days ago · 6 km deep · 34 km away
  5. 3.68 km ESE of Sparks, Oklahoma · 3299 days ago · 5 km deep · 33 km away · felt by 34
  6. 2.72 km SSE of Marshall, Oklahoma · 3300 days ago · 5 km deep · 89 km away
  7. 2.51 km E of Luther, Oklahoma · 3300 days ago · 5 km deep · 50 km away · felt by 2
  8. 2.52 km WNW of Cushing, Oklahoma · 3300 days ago · 4 km deep · 18 km away · felt by 9
  9. 3.33 km WNW of Cushing, Oklahoma · 3300 days ago · 6 km deep · 18 km away · felt by 12
  10. 2.83 km W of Cushing, Oklahoma · 3301 days ago · 6 km deep · 18 km away
  11. 3.13 km WNW of Cushing, Oklahoma · 3301 days ago · 6 km deep · 18 km away · felt by 19
  12. 2.84 km WNW of Lucien, Oklahoma · 3301 days ago · 8 km deep · 88 km away · felt by 1
  13. 2.75 km WNW of Lucien, Oklahoma · 3301 days ago · 8 km deep · 88 km away
  14. 2.54 km WNW of Lucien, Oklahoma · 3301 days ago · 8 km deep · 88 km away
  15. 3.04 km WNW of Lucien, Oklahoma · 3301 days ago · 7 km deep · 88 km away
  16. 2.49 km WSW of Shamrock, Oklahoma · 3303 days ago · 6 km deep · 1 km away
  17. 2.79 km NNW of Pawnee, Oklahoma · 3304 days ago · 5 km deep · 63 km away
  18. 2.91 km E of Luther, Oklahoma · 3304 days ago · 6 km deep · 49 km away · felt by 4
  19. 3.36 km S of Glencoe, Oklahoma · 3304 days ago · 7 km deep · 40 km away · felt by 47
  20. 3.71 km E of Luther, Oklahoma · 3305 days ago · 5 km deep · 50 km away · felt by 29

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000apbv. Read Wed, Sep 23, 2026, 8:36 AM UTC.