Oklahoma earthquakes

M3.1 earthquake 13 km W of Union City, Oklahoma

A magnitude 3.1 earthquake struck 13 km W of Union City, Oklahoma on Sat, Mar 31, 2018, 8:34 PM CDT (01:34 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.5 7 km W of Arcadia, 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
3.1 (ml), minor
Local time
UTC
2018-04-01 01:34:49 UTC
Depth
7.2 km (4.4 mi), shallow
Epicenter
35.378° N, 98.092° W
Region
Oklahoma
Felt reports
4
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

4 people 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 4.9 km horizontally, 5.0 km in depth
Station coverage gap
40°
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 10 in the 30 days before it.

After

  1. 2.610 km SE of Marshall, Oklahoma · 3096 days ago · 6 km deep · 93 km away
  2. 2.67 km NNW of Tuttle, Oklahoma · 3095 days ago · 6 km deep · 22 km away · felt by 7
  3. 3.110 km SE of Marshall, Oklahoma · 3094 days ago · 6 km deep · 93 km away
  4. 2.23 km ESE of Bridge Creek, Oklahoma · 3090 days ago · 6 km deep · 40 km away · felt by 5
  5. 3.57 km W of Arcadia, Oklahoma · 3090 days ago · 7 km deep · 70 km away · felt by 99
  6. 2.38 km SE of Dibble, Oklahoma · 3083 days ago · 6 km deep · 65 km away · felt by 4
  7. 1.66 km N of Union City, Oklahoma · 3082 days ago · 5 km deep · 16 km away
  8. 3.116 km ENE of Thomas, Oklahoma · 3080 days ago · 3 km deep · 63 km away · felt by 7
  9. 1.812 km SE of Dibble, Oklahoma · 3079 days ago · 5 km deep · 69 km away
  10. 3.56 km N of Dover, Oklahoma · 3078 days ago · 6 km deep · 75 km away · felt by 6
  11. 3.16 km N of Dover, Oklahoma · 3078 days ago · 6 km deep · 75 km away · felt by 6
  12. 1.812 km S of Cedar Valley, Oklahoma · 3073 days ago · 9 km deep · 65 km away
  13. 2.2Oklahoma · 3071 days ago · 5 km deep · 21 km away
  14. 2.513 km W of Union City, Oklahoma · 3071 days ago · 6 km deep · 0 km away · felt by 3
  15. 3.05 km E of Hennessey, Oklahoma · 3069 days ago · 5 km deep · 84 km away · felt by 3
  16. 2.65 km E of Hennessey, Oklahoma · 3069 days ago · 7 km deep · 84 km away
  17. 2.96 km ENE of Edmond, Oklahoma · 3062 days ago · 5 km deep · 70 km away · felt by 40
  18. 2.514 km W of Union City, Oklahoma · 3057 days ago · 8 km deep · 2 km away
  19. 3.710 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 91 km away · felt by 122
  20. 2.810 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 91 km away · felt by 3
  21. 3.010 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 90 km away
  22. 2.510 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 91 km away
  23. 2.510 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 90 km away
  24. 4.010 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 91 km away · felt by 182
  25. 2.610 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 91 km away · felt by 1
  26. 3.010 km SSE of Marshall, Oklahoma · 3053 days ago · 8 km deep · 90 km away · felt by 11
  27. 2.310 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 90 km away
  28. 2.910 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 91 km away · felt by 6
  29. 2.410 km SSE of Marshall, Oklahoma · 3052 days ago · 7 km deep · 90 km away · felt by 1
  30. 4.010 km SSE of Marshall, Oklahoma · 3052 days ago · 6 km deep · 91 km away · felt by 117
  31. 2.810 km SSE of Marshall, Oklahoma · 3052 days ago · 7 km deep · 90 km away
  32. 2.610 km SE of Marshall, Oklahoma · 3051 days ago · 7 km deep · 91 km away · felt by 1
  33. 2.710 km SSE of Marshall, Oklahoma · 3051 days ago · 7 km deep · 91 km away
  34. 2.610 km SSE of Marshall, Oklahoma · 3051 days ago · 7 km deep · 90 km away · felt by 2
  35. 2.11 km SE of Choctaw, Oklahoma · 3051 days ago · 5 km deep · 77 km away · felt by 1
  36. 2.510 km SE of Marshall, Oklahoma · 3050 days ago · 7 km deep · 91 km away
  37. 2.610 km SSE of Marshall, Oklahoma · 3050 days ago · 8 km deep · 90 km away
  38. 3.710 km SSE of Marshall, Oklahoma · 3050 days ago · 6 km deep · 90 km away · felt by 7
  39. 2.54 km N of Harrah, Oklahoma · 3046 days ago · 5 km deep · 86 km away · felt by 1
  40. 2.510 km SSE of Marshall, Oklahoma · 3044 days ago · 7 km deep · 90 km away
  41. 3.46 km WNW of Arcadia, Oklahoma · 3044 days ago · 5 km deep · 72 km away · felt by 24
  42. 2.211 km NW of Marshall, OK · 3040 days ago · 5 km deep · 91 km away

Before

  1. 2.713 km W of Union City, Oklahoma · 3097 days ago · 6 km deep · 0 km away
  2. 2.514 km W of Union City, Oklahoma · 3098 days ago · 7 km deep · 0 km away · felt by 1
  3. 2.14 km NW of Yukon, Oklahoma · 3098 days ago · 6 km deep · 32 km away · felt by 1
  4. 2.97 km E of Hennessey, Oklahoma · 3105 days ago · 5 km deep · 86 km away
  5. 3.010 km E of Dover, Oklahoma · 3107 days ago · 6 km deep · 71 km away
  6. 2.54 km N of Dover, Oklahoma · 3109 days ago · 5 km deep · 73 km away · felt by 3
  7. 2.28 km ENE of Greenfield, Oklahoma · 3112 days ago · 6 km deep · 46 km away
  8. 2.35 km N of Union City, Oklahoma · 3117 days ago · 7 km deep · 16 km away · felt by 9
  9. 2.87 km NNE of Union City, Oklahoma · 3118 days ago · 5 km deep · 18 km away
  10. 2.65 km N of Dover, Oklahoma · 3123 days ago · 8 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000dc0b. Read Tue, Sep 22, 2026, 7:48 AM UTC.