Oklahoma earthquakes

M3.5 earthquake 17 km SE of Waynoka, Oklahoma

A magnitude 3.5 earthquake struck 17 km SE of Waynoka, Oklahoma on Sat, Sep 8, 2018, 8:48 PM CDT (01:48 UTC), 8 km (5 mi) below the surface.

Waynoka 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
3.5 (ml), minor
Local time
UTC
2018-09-09 01:48:38 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
36.489° N, 98.725° W
Region
Oklahoma
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
1879.0% of gravity
Peak ground velocity
0.3 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

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 1.3 km horizontally, 5.3 km in depth
Station coverage gap
49°
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: 38 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.617 km SE of Waynoka, Oklahoma · 2935 days ago · 7 km deep · 0 km away
  2. 2.917 km SE of Waynoka, Oklahoma · 2935 days ago · 8 km deep · 0 km away · felt by 1
  3. 2.417 km SE of Waynoka, Oklahoma · 2932 days ago · 7 km deep · 2 km away
  4. 3.08 km SSW of Burlington, Oklahoma · 2931 days ago · 3 km deep · 45 km away
  5. 2.50 km NW of Chester, Oklahoma · 2930 days ago · 3 km deep · 35 km away
  6. 2.12 km SSE of Bluff City, Kansas · 2929 days ago · 9 km deep · 99 km away · felt by 1
  7. 2.717 km SE of Waynoka, Oklahoma · 2926 days ago · 8 km deep · 5 km away
  8. 2.44 km N of Breckinridge, Oklahoma · 2926 days ago · 5 km deep · 88 km away
  9. 2.51 km N of Fairmont, Oklahoma · 2924 days ago · 6 km deep · 92 km away
  10. 2.64 km N of Breckinridge, Oklahoma · 2923 days ago · 5 km deep · 88 km away
  11. 2.55 km NW of Ames, Oklahoma · 2922 days ago · 6 km deep · 50 km away
  12. 2.59 km SW of Waynoka, Oklahoma · 2922 days ago · 6 km deep · 22 km away
  13. 3.04 km NNE of Okeene, Oklahoma · 2918 days ago · 5 km deep · 54 km away
  14. 3.01 km S of Chester, Oklahoma · 2917 days ago · 6 km deep · 36 km away · felt by 2
  15. 2.91 km SSW of Chester, Oklahoma · 2915 days ago · 6 km deep · 36 km away
  16. 2.81 km S of Chester, Oklahoma · 2915 days ago · 7 km deep · 36 km away
  17. 2.72 km S of Chester, Oklahoma · 2915 days ago · 5 km deep · 37 km away
  18. 2.415 km SSE of Waynoka, Oklahoma · 2914 days ago · 6 km deep · 7 km away
  19. 2.71 km WNW of Chester, Oklahoma · 2912 days ago · 6 km deep · 35 km away
  20. 2.910 km WSW of Waynoka, Oklahoma · 2912 days ago · 7 km deep · 23 km away
  21. 3.00 km WNW of Chester, Oklahoma · 2912 days ago · 4 km deep · 35 km away
  22. 3.31 km WNW of Chester, Oklahoma · 2911 days ago · 6 km deep · 35 km away
  23. 2.717 km SSE of Waynoka, Oklahoma · 2908 days ago · 6 km deep · 8 km away
  24. 2.610 km W of Lamont, Oklahoma · 2908 days ago · 6 km deep · 97 km away
  25. 2.51 km WNW of Chester, Oklahoma · 2907 days ago · 5 km deep · 35 km away · felt by 1
  26. 2.90 km WNW of Bison, Oklahoma · 2906 days ago · 5 km deep · 81 km away · felt by 1
  27. 2.710 km ESE of Jefferson, Oklahoma · 2905 days ago · 4 km deep · 96 km away
  28. 2.79 km ENE of Nash, Oklahoma · 2902 days ago · 7 km deep · 73 km away
  29. 2.55 km E of Hennessey, Oklahoma · 2902 days ago · 4 km deep · 90 km away · felt by 1
  30. 3.10 km W of Chester, Oklahoma · 2892 days ago · 4 km deep · 35 km away · felt by 2
  31. 2.65 km W of Medford, Oklahoma · 2887 days ago · 7 km deep · 90 km away
  32. 2.50 km SE of Chester, Oklahoma · 2883 days ago · 7 km deep · 35 km away
  33. 2.52 km SE of Ames, Oklahoma · 2882 days ago · 5 km deep · 58 km away · felt by 2
  34. 2.011 km NE of Wakita, Oklahoma · 2878 days ago · 8 km deep · 95 km away
  35. 2.7Oklahoma · 2878 days ago · 5 km deep · 95 km away
  36. 1.911 km NE of Wakita, Oklahoma · 2878 days ago · 7 km deep · 95 km away
  37. 1.611 km NE of Wakita, Oklahoma · 2877 days ago · 7 km deep · 95 km away
  38. 2.311 km NE of Wakita, Oklahoma · 2876 days ago · 8 km deep · 95 km away · felt by 1

Before

  1. 2.79 km W of Lamont, Oklahoma · 2935 days ago · 6 km deep · 98 km away
  2. 3.517 km SE of Waynoka, Oklahoma · 2936 days ago · 8 km deep · 4 km away · felt by 3
  3. 2.55 km N of Breckinridge, Oklahoma · 2936 days ago · 6 km deep · 88 km away
  4. 3.215 km SSE of Waynoka, Oklahoma · 2946 days ago · 5 km deep · 8 km away · felt by 3
  5. 2.69 km E of Nescatunga, Oklahoma · 2946 days ago · 8 km deep · 67 km away
  6. 2.714 km SSE of Waynoka, Oklahoma · 2948 days ago · 6 km deep · 9 km away · felt by 2
  7. 2.32 km SSE of Chester, Oklahoma · 2949 days ago · 5 km deep · 36 km away
  8. 1.93 km NE of Manchester, Oklahoma · 2950 days ago · 6 km deep · 87 km away
  9. 2.42 km S of Chester, Oklahoma · 2950 days ago · 5 km deep · 37 km away · felt by 1
  10. 2.617 km ESE of Waynoka, Oklahoma · 2956 days ago · 6 km deep · 2 km away
  11. 2.617 km SE of Waynoka, Oklahoma · 2960 days ago · 7 km deep · 3 km away
  12. 2.75 km NNE of Okeene, Oklahoma · 2961 days ago · 5 km deep · 54 km away
  13. 2.47 km NNE of Quinlan, Oklahoma · 2961 days ago · 5 km deep · 25 km away
  14. 3.07 km NNE of Quinlan, Oklahoma · 2962 days ago · 6 km deep · 25 km away
  15. 2.25 km N of Breckinridge, Oklahoma · 2963 days ago · 5 km deep · 89 km away
  16. 2.66 km NNW of Ames, Oklahoma · 2963 days ago · 7 km deep · 50 km away · felt by 2
  17. 2.48 km NNE of Quinlan, Oklahoma · 2964 days ago · 5 km deep · 24 km away · felt by 1
  18. 1.82 km SSE of Bluff City, Kansas · 2964 days ago · 10 km deep · 99 km away
  19. 2.38 km NNE of Quinlan, Oklahoma · 2965 days ago · 5 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000hbb0. Read Tue, Sep 22, 2026, 6:27 AM UTC.