Oklahoma earthquakes

M1.6 earthquake 6 km N of Union City, Oklahoma

A magnitude 1.6 earthquake struck 6 km N of Union City, Oklahoma on Sun, Apr 15, 2018, 1:55 AM CDT (06:55 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.4 9 km NE of Marshall, 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
1.6 (ml), micro
Local time
UTC
2018-04-15 06:55:57 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
35.448° N, 97.938° 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 0.8 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
106°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 49 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 2.49 km NE of Marshall, Oklahoma · 3081 days ago · 4 km deep · 92 km away
  2. 3.116 km ENE of Thomas, Oklahoma · 3080 days ago · 3 km deep · 69 km away · felt by 7
  3. 1.812 km SE of Dibble, Oklahoma · 3079 days ago · 5 km deep · 66 km away
  4. 1.95 km W of Lucien, Oklahoma · 3079 days ago · 6 km deep · 100 km away
  5. 3.56 km N of Dover, Oklahoma · 3078 days ago · 6 km deep · 65 km away · felt by 6
  6. 3.16 km N of Dover, Oklahoma · 3078 days ago · 6 km deep · 66 km away · felt by 6
  7. 1.75 km W of Lucien, Oklahoma · 3078 days ago · 5 km deep · 100 km away
  8. 1.84 km W of Lucien, Oklahoma · 3078 days ago · 4 km deep · 100 km away
  9. 3.013 km ESE of Orlando, Oklahoma · 3076 days ago · 5 km deep · 98 km away · felt by 6
  10. 1.812 km S of Cedar Valley, Oklahoma · 3073 days ago · 9 km deep · 50 km away
  11. 2.39 km W of Orlando, Oklahoma · 3073 days ago · 7 km deep · 89 km away
  12. 2.2Oklahoma · 3071 days ago · 5 km deep · 9 km away
  13. 2.513 km W of Union City, Oklahoma · 3071 days ago · 6 km deep · 16 km away · felt by 3
  14. 3.05 km E of Hennessey, Oklahoma · 3069 days ago · 5 km deep · 73 km away · felt by 3
  15. 2.65 km E of Hennessey, Oklahoma · 3069 days ago · 7 km deep · 73 km away
  16. 2.96 km ENE of Edmond, Oklahoma · 3062 days ago · 5 km deep · 54 km away · felt by 40
  17. 2.64 km NE of Coyle, Oklahoma · 3060 days ago · 5 km deep · 89 km away · felt by 3
  18. 2.514 km W of Union City, Oklahoma · 3057 days ago · 8 km deep · 16 km away
  19. 3.710 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 77 km away · felt by 122
  20. 2.810 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 77 km away · felt by 3
  21. 3.010 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 77 km away
  22. 2.510 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 78 km away
  23. 2.510 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 77 km away
  24. 4.010 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 77 km away · felt by 182
  25. 2.610 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 77 km away · felt by 1
  26. 3.010 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 77 km away · felt by 11
  27. 2.310 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 77 km away
  28. 2.910 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 78 km away · felt by 6
  29. 2.57 km NW of Ames, Oklahoma · 3052 days ago · 7 km deep · 98 km away
  30. 2.410 km SSE of Marshall, Oklahoma · 3052 days ago · 7 km deep · 77 km away · felt by 1
  31. 4.010 km SSE of Marshall, Oklahoma · 3052 days ago · 6 km deep · 77 km away · felt by 117
  32. 2.810 km SSE of Marshall, Oklahoma · 3052 days ago · 7 km deep · 77 km away
  33. 2.610 km SE of Marshall, Oklahoma · 3051 days ago · 7 km deep · 78 km away · felt by 1
  34. 2.710 km SSE of Marshall, Oklahoma · 3051 days ago · 7 km deep · 78 km away
  35. 2.610 km SSE of Marshall, Oklahoma · 3051 days ago · 7 km deep · 76 km away · felt by 2
  36. 2.11 km SE of Choctaw, Oklahoma · 3051 days ago · 5 km deep · 62 km away · felt by 1
  37. 2.510 km SE of Marshall, Oklahoma · 3050 days ago · 7 km deep · 78 km away
  38. 2.610 km SSE of Marshall, Oklahoma · 3050 days ago · 8 km deep · 77 km away
  39. 3.710 km SSE of Marshall, Oklahoma · 3049 days ago · 6 km deep · 76 km away · felt by 7
  40. 2.54 km N of Harrah, Oklahoma · 3046 days ago · 5 km deep · 71 km away · felt by 1
  41. 2.510 km SSE of Marshall, Oklahoma · 3044 days ago · 7 km deep · 77 km away
  42. 3.46 km WNW of Arcadia, Oklahoma · 3044 days ago · 5 km deep · 56 km away · felt by 24
  43. 2.66 km NW of Ames, Oklahoma · 3043 days ago · 5 km deep · 97 km away
  44. 2.211 km NW of Marshall, OK · 3040 days ago · 5 km deep · 78 km away
  45. 2.68 km NE of Marshall, Oklahoma · 3035 days ago · 6 km deep · 92 km away
  46. 2.615 km W of Union City, Oklahoma · 3034 days ago · 8 km deep · 18 km away · felt by 2
  47. 2.410 km SE of Marshall, Oklahoma · 3029 days ago · 5 km deep · 78 km away
  48. 2.66 km E of Hennessey, Oklahoma · 3027 days ago · 3 km deep · 73 km away
  49. 2.411 km WSW of Marshall, Oklahoma · 3026 days ago · 5 km deep · 76 km away

Before

  1. 2.38 km SE of Dibble, Oklahoma · 3083 days ago · 6 km deep · 62 km away · felt by 4
  2. 1.84 km W of Lucien, Oklahoma · 3083 days ago · 4 km deep · 99 km away
  3. 2.98 km NE of Marshall, Oklahoma · 3088 days ago · 5 km deep · 92 km away · felt by 15
  4. 4.68 km NNE of Marshall, Oklahoma · 3088 days ago · 5 km deep · 92 km away · felt by 2,651
  5. 3.18 km NE of Marshall, Oklahoma · 3088 days ago · 6 km deep · 92 km away · felt by 24
  6. 3.57 km W of Arcadia, Oklahoma · 3090 days ago · 7 km deep · 54 km away · felt by 99
  7. 2.23 km ESE of Bridge Creek, Oklahoma · 3090 days ago · 6 km deep · 33 km away · felt by 5
  8. 2.78 km NE of Marshall, Oklahoma · 3090 days ago · 6 km deep · 92 km away
  9. 2.68 km NE of Marshall, Oklahoma · 3090 days ago · 6 km deep · 92 km away · felt by 1
  10. 2.58 km NNE of Marshall, Oklahoma · 3090 days ago · 5 km deep · 92 km away
  11. 3.38 km NNE of Marshall, Oklahoma · 3090 days ago · 6 km deep · 92 km away · felt by 2
  12. 3.110 km SE of Marshall, Oklahoma · 3094 days ago · 6 km deep · 79 km away
  13. 2.67 km NNW of Tuttle, Oklahoma · 3095 days ago · 6 km deep · 13 km away · felt by 7
  14. 2.610 km SE of Marshall, Oklahoma · 3096 days ago · 6 km deep · 79 km away
  15. 3.113 km W of Union City, Oklahoma · 3096 days ago · 7 km deep · 16 km away · felt by 4
  16. 2.713 km W of Union City, Oklahoma · 3097 days ago · 6 km deep · 16 km away
  17. 2.53 km NE of Coyle, Oklahoma · 3097 days ago · 7 km deep · 89 km away · felt by 1
  18. 2.514 km W of Union City, Oklahoma · 3098 days ago · 7 km deep · 16 km away · felt by 1
  19. 2.14 km NW of Yukon, Oklahoma · 3098 days ago · 6 km deep · 16 km away · felt by 1
  20. 2.97 km E of Hennessey, Oklahoma · 3105 days ago · 5 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000e0iy. Read Tue, Sep 22, 2026, 6:32 AM UTC.