Oklahoma earthquakes

M3.8 earthquake 9 km SSE of Byron, Oklahoma

A magnitude 3.8 earthquake struck 9 km SSE of Byron, Oklahoma on Mon, Sep 26, 2016, 6:30 PM CDT (23:30 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.0 17 km SSE of Waynoka, Oklahoma. This one was a foreshock.

Cherokee 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 (ml), minor
Local time
UTC
2016-09-26 23:30:51 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
36.817° N, 98.273° W
Region
Oklahoma
Felt reports
29
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
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

29 people reported to the USGS what they felt; the strongest reported shaking was V, moderate 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 0.9 km horizontally, 5.8 km in depth
Station coverage gap
77°
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: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.317 km SSE of Waynoka, Oklahoma · 3639 days ago · 7 km deep · 61 km away · felt by 1
  2. 3.217 km SSE of Waynoka, Oklahoma · 3639 days ago · 8 km deep · 62 km away · felt by 2
  3. 2.64 km NE of Mooreland, Oklahoma · 3639 days ago · 4 km deep · 89 km away · felt by 1
  4. 2.617 km SSE of Waynoka, Oklahoma · 3639 days ago · 7 km deep · 61 km away
  5. 2.717 km SSE of Waynoka, Oklahoma · 3639 days ago · 8 km deep · 61 km away
  6. 2.817 km SSE of Waynoka, Oklahoma · 3639 days ago · 9 km deep · 61 km away · felt by 2
  7. 1.59 km WSW of Hunnewell, Kansas · 3638 days ago · 5 km deep · 71 km away
  8. 3.62 km NW of Deer Creek, Oklahoma · 3638 days ago · 9 km deep · 65 km away
  9. 2.7Oklahoma · 3638 days ago · 7 km deep · 88 km away
  10. 2.72 km NW of Deer Creek, Oklahoma · 3638 days ago · 8 km deep · 65 km away · felt by 1
  11. 2.37 km WNW of Renfrow, Oklahoma · 3637 days ago · 5 km deep · 50 km away
  12. 1.911 km WNW of Caldwell, Kansas · 3637 days ago · 4 km deep · 56 km away
  13. 2.78 km WNW of Deer Creek, Oklahoma · 3637 days ago · 8 km deep · 59 km away
  14. 3.317 km SE of Waynoka, Oklahoma · 3636 days ago · 8 km deep · 60 km away · felt by 1
  15. 2.95 km WNW of Lucien, Oklahoma · 3636 days ago · 7 km deep · 90 km away · felt by 2
  16. 2.65 km NNW of Quinlan, Oklahoma · 3635 days ago · 5 km deep · 79 km away
  17. 2.66 km NNW of Quinlan, Oklahoma · 3635 days ago · 3 km deep · 80 km away
  18. 3.05 km NNW of Quinlan, Oklahoma · 3635 days ago · 6 km deep · 79 km away · felt by 1
  19. 2.63 km ESE of Byron, Oklahoma · 3635 days ago · 13 km deep · 8 km away
  20. 2.81 km S of Chester, Oklahoma · 3635 days ago · 7 km deep · 90 km away
  21. 2.76 km NNW of Quinlan, Oklahoma · 3635 days ago · 6 km deep · 79 km away
  22. 3.017 km SSE of Waynoka, Oklahoma · 3634 days ago · 8 km deep · 61 km away · felt by 1
  23. 3.04 km NE of Meno, Oklahoma · 3634 days ago · 8 km deep · 46 km away · felt by 2
  24. 2.84 km WNW of Lucien, Oklahoma · 3633 days ago · 7 km deep · 90 km away
  25. 2.79 km SE of Wakita, Oklahoma · 3633 days ago · 7 km deep · 38 km away · felt by 1
  26. 2.912 km SSE of Waynoka, Oklahoma · 3633 days ago · 5 km deep · 61 km away · felt by 2
  27. 1.54 km ENE of Harper, Kansas · 3632 days ago · 5 km deep · 61 km away
  28. 1.74 km ENE of Harper, Kansas · 3632 days ago · 4 km deep · 60 km away
  29. 3.34 km NNE of Cherokee, Oklahoma · 3632 days ago · 6 km deep · 6 km away · felt by 34
  30. 2.59 km NE of Quinlan, Oklahoma · 3631 days ago · 7 km deep · 71 km away
  31. 2.58 km ESE of Wakita, Oklahoma · 3631 days ago · 6 km deep · 39 km away
  32. 1.82 km E of Anthony, Kansas · 3630 days ago · 6 km deep · 44 km away
  33. 3.26 km NNW of Quinlan, Oklahoma · 3630 days ago · 6 km deep · 79 km away · felt by 3
  34. 2.56 km NNW of Quinlan, Oklahoma · 3630 days ago · 5 km deep · 78 km away
  35. 2.85 km NNE of Wakita, Oklahoma · 3630 days ago · 6 km deep · 35 km away · felt by 2
  36. 2.5Oklahoma · 3630 days ago · 8 km deep · 60 km away
  37. 2.5Oklahoma · 3630 days ago · 5 km deep · 77 km away
  38. 1.84 km WSW of Bluff City, Kansas · 3630 days ago · 6 km deep · 41 km away
  39. 3.12 km NNW of Fairmont, Oklahoma · 3629 days ago · 5 km deep · 70 km away · felt by 1
  40. 1.57 km SSE of Bluff City, Kansas · 3629 days ago · 6 km deep · 43 km away
  41. 2.517 km SSE of Waynoka, Oklahoma · 3629 days ago · 7 km deep · 61 km away
  42. 2.76 km N of Quinlan, Oklahoma · 3629 days ago · 5 km deep · 78 km away · felt by 1
  43. 2.56 km NNE of Wakita, Oklahoma · 3629 days ago · 4 km deep · 36 km away
  44. 1.74 km WSW of Bluff City, Kansas · 3629 days ago · 5 km deep · 41 km away
  45. 1.65 km WNW of Caldwell, Kansas · 3627 days ago · 2 km deep · 61 km away
  46. 2.25 km WNW of Caldwell, Kansas · 3627 days ago · 6 km deep · 61 km away
  47. 2.79 km SW of Waynoka, Oklahoma · 3627 days ago · 5 km deep · 69 km away
  48. 1.83 km ENE of Freeport, Kansas · 3627 days ago · 6 km deep · 60 km away
  49. 1.68 km E of Caldwell, Kansas · 3627 days ago · 5 km deep · 71 km away
  50. 2.72 km NW of Deer Creek, Oklahoma · 3626 days ago · 8 km deep · 65 km away
  51. 3.18 km WSW of Helena, Oklahoma · 3626 days ago · 7 km deep · 34 km away
  52. 2.73 km ENE of Medford, Oklahoma · 3625 days ago · 7 km deep · 52 km away
  53. 2.65 km NE of Avard, Oklahoma · 3625 days ago · 5 km deep · 43 km away
  54. 2.813 km SE of Waynoka, Oklahoma · 3625 days ago · 5 km deep · 60 km away
  55. 3.15 km NNE of Jefferson, Oklahoma · 3625 days ago · 8 km deep · 45 km away · felt by 2
  56. 3.113 km SE of Waynoka, Oklahoma · 3625 days ago · 5 km deep · 60 km away · felt by 3
  57. 1.76 km NW of Red Rock, Oklahoma · 3625 days ago · 1 km deep · 100 km away
  58. 3.41 km ENE of Renfrow, Oklahoma · 3624 days ago · 5 km deep · 57 km away · felt by 5
  59. 2.93 km ENE of Medford, Oklahoma · 3624 days ago · 7 km deep · 51 km away
  60. 3.89 km SSW of Helena, Oklahoma · 3623 days ago · 5 km deep · 39 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10006szm. Read Tue, Sep 22, 2026, 8:25 PM UTC.