Oklahoma earthquakes

M2.1 earthquake 8 km NNE of Union City, Oklahoma

A magnitude 2.1 earthquake struck 8 km NNE of Union City, Oklahoma on Wed, Aug 22, 2018, 5:08 AM CDT (10:08 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.6 15 km W of Union City, Oklahoma. This one was a foreshock.

Union City 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 (ml), micro
Local time
UTC
2018-08-22 10:08:08 UTC
Depth
5.2 km (3.3 mi), shallow
Epicenter
35.461° N, 97.906° W
Region
Oklahoma
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, 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 1.5 km horizontally, 4.5 km in depth
Station coverage gap
70°
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: 42 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 2.615 km W of Union City, Oklahoma · 2954 days ago · 6 km deep · 20 km away
  2. 2.17 km SSE of El Reno, Oklahoma · 2950 days ago · 7 km deep · 2 km away · felt by 1
  3. 2.45 km S of Yukon, Oklahoma · 2947 days ago · 6 km deep · 12 km away · felt by 6
  4. 2.84 km WNW of Lucien, Oklahoma · 2946 days ago · 8 km deep · 98 km away
  5. 2.515 km W of Union City, Oklahoma · 2946 days ago · 5 km deep · 21 km away
  6. 2.96 km SE of Meridian, Oklahoma · 2944 days ago · 5 km deep · 74 km away · felt by 4
  7. 2.616 km W of Union City, Oklahoma · 2944 days ago · 7 km deep · 21 km away
  8. 2.70 km ENE of Coyle, Oklahoma · 2939 days ago · 5 km deep · 83 km away
  9. 2.816 km W of Union City, Oklahoma · 2937 days ago · 8 km deep · 22 km away
  10. 2.68 km NE of Marshall, Oklahoma · 2933 days ago · 6 km deep · 89 km away
  11. 3.3Oklahoma · 2933 days ago · 7 km deep · 89 km away · felt by 3
  12. 2.60 km NNW of Coyle, Oklahoma · 2932 days ago · 6 km deep · 82 km away · felt by 1
  13. 2.82 km SSE of Marshall, Oklahoma · 2929 days ago · 5 km deep · 79 km away
  14. 2.60 km NNE of Coyle, Oklahoma · 2928 days ago · 5 km deep · 82 km away
  15. 3.08 km W of Meridian, Oklahoma · 2926 days ago · 4 km deep · 67 km away · felt by 12
  16. 2.55 km NW of Ames, Oklahoma · 2922 days ago · 6 km deep · 95 km away
  17. 3.10 km NNW of Coyle, Oklahoma · 2920 days ago · 6 km deep · 82 km away · felt by 2
  18. 2.00 km NNE of Coyle, Oklahoma · 2919 days ago · 6 km deep · 82 km away · felt by 1
  19. 2.53 km NE of Arcadia, Oklahoma · 2919 days ago · 6 km deep · 60 km away
  20. 3.04 km NNE of Okeene, Oklahoma · 2919 days ago · 5 km deep · 85 km away
  21. 3.30 km N of Coyle, Oklahoma · 2918 days ago · 7 km deep · 82 km away · felt by 8
  22. 2.60 km NNW of Coyle, Oklahoma · 2918 days ago · 5 km deep · 82 km away
  23. 3.04 km ENE of Dibble, Oklahoma · 2917 days ago · 7 km deep · 55 km away · felt by 5
  24. 2.65 km W of Arcadia, Oklahoma · 2916 days ago · 6 km deep · 52 km away · felt by 4
  25. 2.35 km W of Arcadia, Oklahoma · 2916 days ago · 6 km deep · 52 km away · felt by 1
  26. 3.49 km WNW of Orlando, Oklahoma · 2915 days ago · 5 km deep · 89 km away · felt by 3
  27. 2.90 km NW of Coyle, Oklahoma · 2914 days ago · 5 km deep · 82 km away · felt by 1
  28. 2.60 km N of Coyle, Oklahoma · 2914 days ago · 6 km deep · 82 km away
  29. 2.50 km NW of Coyle, Oklahoma · 2913 days ago · 7 km deep · 82 km away
  30. 2.06 km NNE of Bridge Creek, Oklahoma · 2909 days ago · 7 km deep · 25 km away · felt by 3
  31. 2.90 km WNW of Bison, Oklahoma · 2907 days ago · 5 km deep · 82 km away · felt by 1
  32. 3.62 km SW of Wellston, Oklahoma · 2905 days ago · 6 km deep · 78 km away · felt by 10
  33. 2.16 km SSE of Newcastle, Oklahoma · 2904 days ago · 7 km deep · 42 km away · felt by 1
  34. 2.55 km E of Hennessey, Oklahoma · 2902 days ago · 4 km deep · 72 km away · felt by 1
  35. 2.68 km W of Meridian, Oklahoma · 2900 days ago · 6 km deep · 67 km away · felt by 7
  36. 2.03 km E of Erin Springs, Oklahoma · 2898 days ago · 6 km deep · 78 km away · felt by 2
  37. 2.63 km W of Lucien, Oklahoma · 2896 days ago · 5 km deep · 98 km away
  38. 2.74 km WNW of Lucien, Oklahoma · 2896 days ago · 6 km deep · 99 km away
  39. 2.52 km E of Bridge Creek, Oklahoma · 2895 days ago · 7 km deep · 31 km away · felt by 1
  40. 2.02 km ENE of Bridge Creek, Oklahoma · 2895 days ago · 6 km deep · 30 km away · felt by 4
  41. 2.52 km ESE of Bridge Creek, Oklahoma · 2894 days ago · 8 km deep · 32 km away
  42. 2.00 km E of Bridge Creek, Oklahoma · 2894 days ago · 6 km deep · 30 km away · felt by 2

Before

  1. 2.27 km ENE of Guthrie, Oklahoma · 2955 days ago · 5 km deep · 70 km away
  2. 2.15 km S of Yukon, Oklahoma · 2957 days ago · 6 km deep · 13 km away · felt by 5
  3. 2.65 km SSW of Langston, Oklahoma · 2961 days ago · 7 km deep · 75 km away
  4. 2.75 km NNE of Okeene, Oklahoma · 2961 days ago · 5 km deep · 85 km away
  5. 3.09 km SSW of Washington, Oklahoma · 2962 days ago · 4 km deep · 62 km away · felt by 7
  6. 2.66 km NNW of Ames, Oklahoma · 2964 days ago · 7 km deep · 97 km away · felt by 2
  7. 2.48 km SE of Dibble, Oklahoma · 2966 days ago · 6 km deep · 62 km away · felt by 2
  8. 2.99 km NE of Marshall, Oklahoma · 2967 days ago · 4 km deep · 90 km away
  9. 3.09 km NE of Marshall, Oklahoma · 2967 days ago · 7 km deep · 90 km away
  10. 2.03 km E of Dibble, Oklahoma · 2968 days ago · 7 km deep · 55 km away · felt by 2
  11. 2.514 km W of Union City, Oklahoma · 2969 days ago · 5 km deep · 20 km away
  12. 2.69 km NE of Marshall, Oklahoma · 2969 days ago · 4 km deep · 90 km away
  13. 2.59 km NE of Marshall, Oklahoma · 2970 days ago · 4 km deep · 89 km away
  14. 2.94 km ENE of Dibble, Oklahoma · 2970 days ago · 4 km deep · 54 km away · felt by 28
  15. 2.59 km SSE of Ames, Oklahoma · 2971 days ago · 6 km deep · 82 km away
  16. 2.62 km ENE of Dibble, Oklahoma · 2973 days ago · 5 km deep · 54 km away · felt by 15
  17. 2.13 km ENE of Dibble, Oklahoma · 2973 days ago · 5 km deep · 54 km away · felt by 1
  18. 2.69 km ESE of Dibble, Oklahoma · 2974 days ago · 6 km deep · 62 km away · felt by 2
  19. 3.43 km ENE of Dibble, Oklahoma · 2975 days ago · 6 km deep · 55 km away · felt by 63
  20. 2.04 km ENE of Dibble, Oklahoma · 2975 days ago · 5 km deep · 54 km away · felt by 7

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000gf9c. Read Tue, Sep 22, 2026, 10:32 PM UTC.