Oklahoma earthquakes

M2.5 earthquake 7 km NW of Ames, Oklahoma

A magnitude 2.5 earthquake struck 7 km NW of Ames, Oklahoma on Tue, May 15, 2018, 3:20 AM CDT (08:20 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.0 10 km SSE of Marshall, Oklahoma. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.5 (ml), micro
Local time
UTC
2018-05-15 08:20:38 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
36.295° N, 98.238° 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 1.3 km horizontally, 1.5 km in depth
Station coverage gap
96°
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: 76 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 2.410 km SSE of Marshall, Oklahoma · 3053 days ago · 7 km deep · 65 km away · felt by 1
  2. 4.010 km SSE of Marshall, Oklahoma · 3053 days ago · 6 km deep · 65 km away · felt by 117
  3. 2.810 km SSE of Marshall, Oklahoma · 3052 days ago · 7 km deep · 65 km away
  4. 2.610 km SE of Marshall, Oklahoma · 3052 days ago · 7 km deep · 66 km away · felt by 1
  5. 2.710 km SSE of Marshall, Oklahoma · 3052 days ago · 7 km deep · 66 km away
  6. 2.610 km SSE of Marshall, Oklahoma · 3052 days ago · 7 km deep · 65 km away · felt by 2
  7. 2.510 km SE of Marshall, Oklahoma · 3051 days ago · 7 km deep · 66 km away
  8. 2.610 km SSE of Marshall, Oklahoma · 3050 days ago · 8 km deep · 65 km away
  9. 3.710 km SSE of Marshall, Oklahoma · 3050 days ago · 6 km deep · 65 km away · felt by 7
  10. 1.71 km S of Bluff City, Kansas · 3050 days ago · 9 km deep · 91 km away
  11. 2.716 km SSW of Freedom, Oklahoma · 3049 days ago · 3 km deep · 92 km away
  12. 2.60 km SW of Wakita, Oklahoma · 3045 days ago · 7 km deep · 71 km away · felt by 1
  13. 2.510 km SSE of Marshall, Oklahoma · 3045 days ago · 7 km deep · 65 km away
  14. 2.66 km NW of Ames, Oklahoma · 3044 days ago · 5 km deep · 1 km away
  15. 2.31 km N of Anthony, Kansas · 3043 days ago · 9 km deep · 99 km away
  16. 2.710 km W of Lamont, Oklahoma · 3042 days ago · 8 km deep · 68 km away
  17. 2.211 km NW of Marshall, OK · 3041 days ago · 5 km deep · 66 km away
  18. 2.511 km NE of Wakita, Oklahoma · 3040 days ago · 6 km deep · 81 km away
  19. 2.68 km NE of Marshall, Oklahoma · 3036 days ago · 6 km deep · 60 km away
  20. 2.43 km N of Renfrow, Oklahoma · 3035 days ago · 5 km deep · 90 km away
  21. 3.29 km ESE of Jefferson, Oklahoma · 3033 days ago · 7 km deep · 67 km away · felt by 28
  22. 3.18 km W of Deer Creek, Oklahoma · 3032 days ago · 6 km deep · 81 km away · felt by 5
  23. 2.75 km WNW of Lucien, Oklahoma · 3031 days ago · 8 km deep · 65 km away
  24. 3.06 km S of Perry, Oklahoma · 3031 days ago · 7 km deep · 85 km away · felt by 5
  25. 3.15 km WNW of Lucien, Oklahoma · 3030 days ago · 6 km deep · 65 km away · felt by 5
  26. 2.410 km SE of Marshall, Oklahoma · 3030 days ago · 5 km deep · 66 km away
  27. 2.74 km W of Lucien, Oklahoma · 3030 days ago · 6 km deep · 65 km away · felt by 1
  28. 2.45 km WNW of Lucien, Oklahoma · 3030 days ago · 8 km deep · 65 km away
  29. 2.4Kansas · 3029 days ago · 5 km deep · 96 km away · felt by 1
  30. 3.25 km WNW of Lucien, Oklahoma · 3028 days ago · 7 km deep · 65 km away
  31. 2.66 km E of Hennessey, Oklahoma · 3028 days ago · 3 km deep · 43 km away
  32. 1.75 km SSE of Bluff City, Kansas · 3028 days ago · 6 km deep · 89 km away
  33. 4.48 km E of Nescatunga, Oklahoma · 3028 days ago · 10 km deep · 54 km away · felt by 1,955
  34. 2.98 km ENE of Nescatunga, Oklahoma · 3028 days ago · 6 km deep · 55 km away · felt by 1
  35. 2.98 km E of Nescatunga, Oklahoma · 3028 days ago · 7 km deep · 55 km away · felt by 1
  36. 2.411 km WSW of Marshall, Oklahoma · 3026 days ago · 5 km deep · 49 km away
  37. 2.87 km ENE of Nescatunga, Oklahoma · 3026 days ago · 6 km deep · 55 km away · felt by 4
  38. 3.115 km W of Aline, Oklahoma · 3025 days ago · 6 km deep · 41 km away
  39. 4.0Oklahoma · 3021 days ago · 7 km deep · 66 km away · felt by 154
  40. 2.910 km SSE of Marshall, Oklahoma · 3021 days ago · 7 km deep · 65 km away
  41. 2.910 km SSE of Marshall, Oklahoma · 3021 days ago · 7 km deep · 65 km away · felt by 6
  42. 2.610 km SSE of Marshall, Oklahoma · 3021 days ago · 8 km deep · 65 km away
  43. 3.310 km SSE of Marshall, Oklahoma · 3020 days ago · 6 km deep · 65 km away · felt by 7
  44. 2.410 km SSE of Marshall, Oklahoma · 3020 days ago · 5 km deep · 65 km away
  45. 2.510 km SE of Marshall, Oklahoma · 3019 days ago · 6 km deep · 66 km away · felt by 1
  46. 2.610 km SE of Marshall, Oklahoma · 3019 days ago · 6 km deep · 66 km away
  47. 2.57 km E of Bluff City, Kansas · 3018 days ago · 7 km deep · 96 km away
  48. 3.84 km W of Lucien, Oklahoma · 3017 days ago · 8 km deep · 66 km away · felt by 5
  49. 2.61 km N of Medford, Oklahoma · 3017 days ago · 8 km deep · 74 km away
  50. 2.63 km N of Chester, Oklahoma · 3016 days ago · 4 km deep · 61 km away
  51. 2.74 km SE of Avard, Oklahoma · 3015 days ago · 5 km deep · 62 km away
  52. 3.25 km E of Hennessey, Oklahoma · 3015 days ago · 5 km deep · 42 km away · felt by 15
  53. 3.04 km SE of Avard, Oklahoma · 3014 days ago · 7 km deep · 63 km away
  54. 2.77 km E of Nescatunga, Oklahoma · 3013 days ago · 7 km deep · 54 km away
  55. 2.57 km E of Nescatunga, Oklahoma · 3010 days ago · 7 km deep · 54 km away
  56. 2.58 km WSW of Waynoka, Oklahoma · 3007 days ago · 6 km deep · 70 km away
  57. 2.96 km NNW of Meridian, Oklahoma · 3006 days ago · 5 km deep · 97 km away · felt by 3
  58. 2.85 km NNW of Meridian, Oklahoma · 3006 days ago · 7 km deep · 97 km away · felt by 1
  59. 3.26 km NNW of Meridian, Oklahoma · 3006 days ago · 6 km deep · 97 km away · felt by 16
  60. 3.17 km E of Nescatunga, Oklahoma · 3005 days ago · 7 km deep · 54 km away

The first 60 of 76.

Before

  1. 2.910 km SSE of Marshall, Oklahoma · 3054 days ago · 7 km deep · 65 km away · felt by 6
  2. 2.310 km SSE of Marshall, Oklahoma · 3054 days ago · 7 km deep · 65 km away
  3. 3.010 km SSE of Marshall, Oklahoma · 3054 days ago · 8 km deep · 65 km away · felt by 11
  4. 2.610 km SSE of Marshall, Oklahoma · 3054 days ago · 8 km deep · 65 km away · felt by 1
  5. 4.010 km SSE of Marshall, Oklahoma · 3054 days ago · 7 km deep · 65 km away · felt by 182
  6. 2.510 km SSE of Marshall, Oklahoma · 3054 days ago · 8 km deep · 65 km away
  7. 2.510 km SSE of Marshall, Oklahoma · 3054 days ago · 7 km deep · 66 km away
  8. 3.010 km SSE of Marshall, Oklahoma · 3054 days ago · 8 km deep · 65 km away
  9. 2.810 km SSE of Marshall, Oklahoma · 3054 days ago · 8 km deep · 65 km away · felt by 3
  10. 3.710 km SSE of Marshall, Oklahoma · 3054 days ago · 7 km deep · 65 km away · felt by 122
  11. 2.84 km NNW of Medford, Oklahoma · 3055 days ago · 7 km deep · 75 km away
  12. 2.84 km W of Lucien, Oklahoma · 3056 days ago · 7 km deep · 66 km away
  13. 2.513 km NW of Longdale, Oklahoma · 3057 days ago · 7 km deep · 37 km away
  14. 3.09 km SW of Waynoka, Oklahoma · 3058 days ago · 6 km deep · 70 km away
  15. 2.78 km SW of Waynoka, Oklahoma · 3058 days ago · 6 km deep · 70 km away
  16. 2.04 km SW of Bluff City, Kansas · 3059 days ago · 4 km deep · 89 km away
  17. 1.54 km SW of Bluff City, Kansas · 3059 days ago · 1 km deep · 89 km away
  18. 2.64 km NE of Coyle, Oklahoma · 3060 days ago · 5 km deep · 100 km away · felt by 3
  19. 1.85 km SSE of Anthony, Kansas · 3062 days ago · 6 km deep · 92 km away
  20. 2.414 km SSE of Freedom, Oklahoma · 3065 days ago · 5 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000e5a7. Read Wed, Sep 23, 2026, 1:51 AM UTC.