Oklahoma earthquakes

M2.4 earthquake 3 km NW of Helena, Oklahoma

A magnitude 2.4 earthquake struck 3 km NW of Helena, Oklahoma on Wed, Apr 26, 2017, 10:41 AM CDT (15:41 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.0 10 km W of Lamont, Oklahoma. This one was a foreshock.

Helena 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
2.4 (ml), micro
Local time
UTC
2017-04-26 15:41:40 UTC
Depth
4.1 km (2.5 mi), shallow
Epicenter
36.563° N, 98.296° 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 0.9 km horizontally, 5.0 km in depth
Station coverage gap
63°
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: 178 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 3.010 km W of Lamont, Oklahoma · 3436 days ago · 6 km deep · 58 km away · felt by 2
  2. 2.28 km SE of Harper, Kansas · 3435 days ago · 4 km deep · 79 km away
  3. 1.76 km SSE of Bluff City, Kansas · 3435 days ago · 5 km deep · 65 km away
  4. 3.216 km SE of Waynoka, Oklahoma · 3434 days ago · 5 km deep · 44 km away · felt by 1
  5. 2.518 km SE of Waynoka, Oklahoma · 3434 days ago · 5 km deep · 43 km away
  6. 2.51 km ENE of Fairmont, Oklahoma · 3434 days ago · 6 km deep · 59 km away
  7. 2.29 km W of Bluff City, Kansas · 3434 days ago · 8 km deep · 63 km away
  8. 2.06 km SSE of Bluff City, Kansas · 3433 days ago · 5 km deep · 65 km away
  9. 1.93 km NNW of Freeport, Kansas · 3433 days ago · 4 km deep · 83 km away
  10. 3.310 km W of Lamont, Oklahoma · 3433 days ago · 9 km deep · 58 km away · felt by 15
  11. 2.79 km W of Lamont, Oklahoma · 3433 days ago · 8 km deep · 58 km away
  12. 2.34 km SE of Freeport, Kansas · 3432 days ago · 3 km deep · 80 km away
  13. 2.71 km NNW of Lambert, Oklahoma · 3432 days ago · 7 km deep · 19 km away · felt by 2
  14. 2.610 km W of Lamont, Oklahoma · 3432 days ago · 8 km deep · 58 km away · felt by 3
  15. 2.22 km SE of Bluff City, Kansas · 3431 days ago · 6 km deep · 67 km away
  16. 2.98 km SSE of Hitchcock, Oklahoma · 3431 days ago · 7 km deep · 73 km away · felt by 1
  17. 2.610 km WNW of Red Rock, Oklahoma · 3430 days ago · 6 km deep · 90 km away
  18. 2.810 km W of Lamont, Oklahoma · 3430 days ago · 8 km deep · 58 km away · felt by 2
  19. 2.64 km SSE of Covington, Oklahoma · 3429 days ago · 5 km deep · 73 km away
  20. 1.69 km W of Bluff City, Kansas · 3429 days ago · 8 km deep · 63 km away
  21. 1.59 km W of Bluff City, Kansas · 3428 days ago · 8 km deep · 63 km away
  22. 2.69 km ENE of Hennessey, Oklahoma · 3428 days ago · 6 km deep · 66 km away
  23. 2.53 km NE of Avard, Oklahoma · 3428 days ago · 7 km deep · 45 km away
  24. 2.75 km WNW of Lucien, Oklahoma · 3428 days ago · 8 km deep · 77 km away · felt by 2
  25. 2.64 km E of Covington, Oklahoma · 3428 days ago · 8 km deep · 74 km away
  26. 2.64 km E of Covington, Oklahoma · 3427 days ago · 6 km deep · 74 km away
  27. 3.73 km NNW of Freeport, Kansas · 3427 days ago · 4 km deep · 83 km away · felt by 14
  28. 2.211 km SSE of Milan, Kansas · 3427 days ago · 8 km deep · 89 km away
  29. 1.69 km W of Bluff City, Kansas · 3427 days ago · 8 km deep · 63 km away
  30. 3.08 km NE of Marshall, Oklahoma · 3427 days ago · 7 km deep · 76 km away
  31. 2.54 km NNE of Avard, Oklahoma · 3426 days ago · 5 km deep · 46 km away
  32. 2.513 km SSE of Waynoka, Oklahoma · 3426 days ago · 5 km deep · 46 km away · felt by 1
  33. 2.48 km S of Goltry, Oklahoma · 3425 days ago · 7 km deep · 17 km away · felt by 1
  34. 3.25 km NE of Hunter, Oklahoma · 3425 days ago · 6 km deep · 61 km away · felt by 2
  35. 3.010 km SSE of Waldron, Kansas · 3425 days ago · 10 km deep · 42 km away
  36. 1.89 km W of Bluff City, Kansas · 3425 days ago · 8 km deep · 63 km away
  37. 3.310 km SSE of Waldron, Kansas · 3425 days ago · 8 km deep · 42 km away · felt by 3
  38. 3.010 km SSE of Waldron, Kansas · 3425 days ago · 8 km deep · 42 km away · felt by 2
  39. 3.46 km NE of Hunter, Oklahoma · 3423 days ago · 8 km deep · 61 km away · felt by 15
  40. 2.48 km NNE of Nardin, Oklahoma · 3422 days ago · 8 km deep · 85 km away
  41. 1.79 km W of Bluff City, Kansas · 3422 days ago · 8 km deep · 63 km away
  42. 1.54 km ESE of Caldwell, Kansas · 3421 days ago · 6 km deep · 82 km away
  43. 2.79 km WSW of Waynoka, Oklahoma · 3420 days ago · 6 km deep · 60 km away
  44. 2.52 km NW of Chester, Oklahoma · 3420 days ago · 6 km deep · 69 km away
  45. 3.215 km SSE of Waynoka, Oklahoma · 3420 days ago · 6 km deep · 46 km away · felt by 1
  46. 3.616 km SSE of Waynoka, Oklahoma · 3420 days ago · 6 km deep · 46 km away · felt by 2
  47. 3.416 km SSE of Waynoka, Oklahoma · 3420 days ago · 5 km deep · 46 km away · felt by 2
  48. 2.27 km SE of Harper, Kansas · 3419 days ago · 4 km deep · 79 km away
  49. 3.017 km SE of Waynoka, Oklahoma · 3419 days ago · 5 km deep · 42 km away
  50. 4.217 km SE of Waynoka, Oklahoma · 3419 days ago · 5 km deep · 40 km away · felt by 142
  51. 2.817 km SE of Waynoka, Oklahoma · 3419 days ago · 7 km deep · 40 km away
  52. 3.016 km SE of Waynoka, Oklahoma · 3419 days ago · 6 km deep · 41 km away
  53. 1.97 km SE of Harper, Kansas · 3419 days ago · 4 km deep · 80 km away
  54. 3.217 km SE of Waynoka, Oklahoma · 3419 days ago · 6 km deep · 41 km away
  55. 2.72 km W of Chester, Oklahoma · 3419 days ago · 6 km deep · 70 km away
  56. 2.52 km W of Chester, Oklahoma · 3419 days ago · 6 km deep · 71 km away
  57. 3.21 km NNW of Lambert, Oklahoma · 3419 days ago · 6 km deep · 19 km away · felt by 3
  58. 2.07 km SE of Harper, Kansas · 3418 days ago · 3 km deep · 79 km away
  59. 2.83 km W of Chester, Oklahoma · 3418 days ago · 7 km deep · 71 km away · felt by 1
  60. 2.62 km WSW of Chester, Oklahoma · 3418 days ago · 5 km deep · 70 km away · felt by 2

The first 60 of 178.

Before

  1. 3.016 km SE of Waynoka, Oklahoma · 3436 days ago · 8 km deep · 41 km away · felt by 1
  2. 3.04 km WNW of Medford, Oklahoma · 3437 days ago · 1 km deep · 55 km away · felt by 1
  3. 2.74 km WNW of Lucien, Oklahoma · 3437 days ago · 7 km deep · 77 km away
  4. 2.010 km WNW of Caldwell, Kansas · 3437 days ago · 6 km deep · 76 km away
  5. 1.82 km E of Anthony, Kansas · 3437 days ago · 6 km deep · 71 km away
  6. 3.38 km ENE of Cherokee, Oklahoma · 3437 days ago · 3 km deep · 25 km away · felt by 5
  7. 1.910 km N of Caldwell, Kansas · 3438 days ago · 4 km deep · 88 km away
  8. 2.65 km WNW of Medford, Oklahoma · 3438 days ago · 6 km deep · 55 km away
  9. 1.72 km E of Anthony, Kansas · 3438 days ago · 6 km deep · 71 km away
  10. 3.69 km W of Lamont, Oklahoma · 3440 days ago · 8 km deep · 58 km away · felt by 7
  11. 3.0Oklahoma · 3440 days ago · 6 km deep · 58 km away · felt by 1
  12. 2.59 km W of Lamont, Oklahoma · 3440 days ago · 3 km deep · 58 km away
  13. 2.33 km NNW of Freeport, Kansas · 3440 days ago · 3 km deep · 83 km away
  14. 1.64 km ESE of Harper, Kansas · 3440 days ago · 1 km deep · 83 km away
  15. 2.55 km WNW of Medford, Oklahoma · 3441 days ago · 8 km deep · 55 km away · felt by 2
  16. 3.23 km SE of Meno, Oklahoma · 3442 days ago · 5 km deep · 26 km away · felt by 2
  17. 3.19 km W of Lamont, Oklahoma · 3442 days ago · 8 km deep · 58 km away · felt by 3
  18. 2.51 km SSE of Hennessey, Oklahoma · 3443 days ago · 6 km deep · 63 km away
  19. 1.611 km NNW of Caldwell, Kansas · 3443 days ago · 5 km deep · 85 km away
  20. 3.07 km SSE of Lucien, Oklahoma · 3444 days ago · 8 km deep · 87 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008l2j. Read Tue, Sep 22, 2026, 9:38 AM UTC.