Oklahoma earthquakes

M2.7 earthquake 4 km NNW of Helena, Oklahoma

A magnitude 2.7 earthquake struck 4 km NNW of Helena, Oklahoma on Wed, Sep 9, 2015, 10:40 PM CDT (03:40 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.4 12 km ENE of Nash, 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
2.7 (ml), micro
Local time
UTC
2015-09-10 03:40:18 UTC
Depth
5.2 km (3.3 mi), shallow
Epicenter
36.585° N, 98.296° 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 1.8 km horizontally, 6.9 km in depth
Station coverage gap
100°
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: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.68 km SSE of Bluff City, Kansas · 4036 days ago · 3 km deep · 63 km away
  2. 1.512 km NNW of Caldwell, Kansas · 4036 days ago · 5 km deep · 84 km away
  3. 1.97 km SSW of Anthony, Kansas · 4036 days ago · 2 km deep · 60 km away
  4. 3.43 km SW of Renfrow, Oklahoma · 4036 days ago · 7 km deep · 65 km away · felt by 10
  5. 1.84 km WSW of Mayfield, Kansas · 4036 days ago · 5 km deep · 97 km away
  6. 1.65 km WSW of Bluff City, Kansas · 4035 days ago · 5 km deep · 61 km away
  7. 1.511 km WNW of Caldwell, Kansas · 4035 days ago · 5 km deep · 74 km away
  8. 1.95 km WSW of Bluff City, Kansas · 4035 days ago · 2 km deep · 62 km away
  9. 2.56 km E of Nescatunga, Oklahoma · 4035 days ago · 6 km deep · 27 km away
  10. 2.56 km SSE of Bluff City, Kansas · 4035 days ago · 6 km deep · 64 km away
  11. 2.85 km WNW of Lucien, Oklahoma · 4035 days ago · 13 km deep · 77 km away
  12. 2.64 km NNW of Helena, Oklahoma · 4035 days ago · 7 km deep · 0 km away
  13. 3.35 km WSW of Bluff City, Kansas · 4035 days ago · 6 km deep · 62 km away · felt by 4
  14. 2.78 km NE of Billings, Oklahoma · 4035 days ago · 7 km deep · 82 km away · felt by 2
  15. 1.75 km SSE of Bluff City, Kansas · 4034 days ago · 6 km deep · 63 km away
  16. 1.65 km SSE of Bluff City, Kansas · 4034 days ago · 6 km deep · 63 km away
  17. 2.710 km WNW of Orlando, Oklahoma · 4034 days ago · 5 km deep · 85 km away
  18. 1.85 km WSW of Bluff City, Kansas · 4034 days ago · 6 km deep · 62 km away
  19. 1.64 km SW of Bluff City, Kansas · 4034 days ago · 4 km deep · 62 km away
  20. 2.912 km NW of Fairview, Oklahoma · 4034 days ago · 7 km deep · 36 km away · felt by 1
  21. 3.24 km NE of Crescent, Oklahoma · 4034 days ago · 6 km deep · 94 km away · felt by 7
  22. 1.53 km SW of Freeport, Kansas · 4034 days ago · 4 km deep · 75 km away
  23. 2.75 km NE of Crescent, Oklahoma · 4034 days ago · 6 km deep · 94 km away · felt by 5
  24. 2.55 km W of Mayfield, Kansas · 4034 days ago · 2 km deep · 96 km away
  25. 2.15 km WSW of Bluff City, Kansas · 4034 days ago · 6 km deep · 62 km away
  26. 1.62 km W of Freeport, Kansas · 4034 days ago · 7 km deep · 77 km away
  27. 1.67 km ENE of Caldwell, Kansas · 4034 days ago · 5 km deep · 86 km away
  28. 2.47 km ENE of Caldwell, Kansas · 4034 days ago · 6 km deep · 87 km away
  29. 2.57 km ENE of Caldwell, Kansas · 4034 days ago · 6 km deep · 86 km away
  30. 1.611 km WNW of Caldwell, KS · 4034 days ago · 5 km deep · 74 km away
  31. 1.65 km WSW of Bluff City, Kansas · 4034 days ago · 6 km deep · 62 km away
  32. 2.810 km SW of Wakita, Oklahoma · 4034 days ago · 6 km deep · 36 km away
  33. 1.95 km WSW of Bluff City, Kansas · 4034 days ago · 6 km deep · 62 km away
  34. 1.52 km NNE of Bluff City, Kansas · 4034 days ago · 5 km deep · 68 km away
  35. 2.57 km ENE of Caldwell, Kansas · 4033 days ago · 6 km deep · 86 km away
  36. 2.610 km WNW of Orlando, Oklahoma · 4033 days ago · 5 km deep · 86 km away
  37. 1.97 km ENE of Caldwell, Kansas · 4033 days ago · 6 km deep · 86 km away
  38. 1.87 km ENE of Caldwell, Kansas · 4033 days ago · 5 km deep · 86 km away
  39. 2.75 km NNW of Helena, Oklahoma · 4033 days ago · 4 km deep · 0 km away
  40. 1.76 km ENE of Milan, Kansas · 4033 days ago · 5 km deep · 99 km away
  41. 1.76 km WSW of Bluff City, Kansas · 4033 days ago · 2 km deep · 61 km away
  42. 1.85 km WSW of Bluff City, Kansas · 4033 days ago · 5 km deep · 62 km away
  43. 1.85 km WSW of Bluff City, Kansas · 4033 days ago · 5 km deep · 62 km away
  44. 2.05 km WSW of Bluff City, Kansas · 4033 days ago · 6 km deep · 62 km away
  45. 1.66 km WSW of Bluff City, Kansas · 4033 days ago · 3 km deep · 61 km away
  46. 2.05 km WSW of Bluff City, Kansas · 4033 days ago · 6 km deep · 62 km away
  47. 2.25 km WSW of Bluff City, Kansas · 4033 days ago · 6 km deep · 62 km away
  48. 1.85 km WSW of Bluff City, Kansas · 4033 days ago · 6 km deep · 62 km away
  49. 1.85 km WSW of Bluff City, Kansas · 4033 days ago · 5 km deep · 62 km away
  50. 2.72 km WNW of Mulhall, Oklahoma · 4033 days ago · 5 km deep · 96 km away
  51. 3.22 km W of Mulhall, Oklahoma · 4033 days ago · 5 km deep · 96 km away · felt by 4
  52. 2.05 km WSW of Bluff City, Kansas · 4033 days ago · 6 km deep · 62 km away
  53. 2.75 km W of Lucien, Oklahoma · 4033 days ago · 6 km deep · 78 km away
  54. 3.12 km WNW of Mulhall, Oklahoma · 4033 days ago · 5 km deep · 96 km away · felt by 3
  55. 2.36 km S of Harper, Kansas · 4032 days ago · 7 km deep · 76 km away
  56. 3.15 km W of Lucien, Oklahoma · 4032 days ago · 7 km deep · 78 km away · felt by 1
  57. 2.27 km ENE of Caldwell, Kansas · 4032 days ago · 6 km deep · 86 km away
  58. 2.610 km NNW of Perry, Oklahoma · 4032 days ago · 6 km deep · 87 km away
  59. 2.76 km ESE of Covington, Oklahoma · 4032 days ago · 7 km deep · 77 km away · felt by 1
  60. 2.98 km ENE of Caldwell, Kansas · 4032 days ago · 6 km deep · 87 km away · felt by 1

The first 60 of at least 202.

Before

  1. 3.310 km WNW of Orlando, Oklahoma · 4037 days ago · 6 km deep · 85 km away · felt by 5
  2. 2.87 km NNW of Hunter, Oklahoma · 4037 days ago · 5 km deep · 53 km away
  3. 1.88 km ENE of Caldwell, Kansas · 4037 days ago · 5 km deep · 87 km away
  4. 2.07 km NE of Milan, Kansas · 4037 days ago · 6 km deep · 100 km away
  5. 1.84 km SW of Bluff City, Kansas · 4037 days ago · 5 km deep · 62 km away
  6. 3.510 km SSW of Lucien, Oklahoma · 4037 days ago · 3 km deep · 84 km away · felt by 17
  7. 1.66 km E of Manchester, Oklahoma · 4038 days ago · 5 km deep · 55 km away
  8. 3.310 km WNW of Orlando, Oklahoma · 4038 days ago · 6 km deep · 85 km away · felt by 1
  9. 2.610 km WNW of Orlando, Oklahoma · 4038 days ago · 5 km deep · 85 km away
  10. 1.66 km SSW of Bluff City, Kansas · 4038 days ago · 4 km deep · 59 km away
  11. 1.54 km WSW of Mayfield, Kansas · 4038 days ago · 5 km deep · 96 km away
  12. 3.04 km WNW of Aline, Oklahoma · 4038 days ago · 5 km deep · 19 km away · felt by 1
  13. 2.36 km SSE of Harper, Kansas · 4039 days ago · 6 km deep · 76 km away
  14. 1.61 km SW of Mayfield, Kansas · 4039 days ago · 5 km deep · 98 km away
  15. 2.14 km SW of Harper, Kansas · 4039 days ago · 6 km deep · 78 km away
  16. 1.65 km WSW of Bluff City, Kansas · 4039 days ago · 6 km deep · 61 km away
  17. 2.41 km SW of Mayfield, Kansas · 4040 days ago · 5 km deep · 98 km away · felt by 1
  18. 1.96 km NE of Milan, Kansas · 4040 days ago · 6 km deep · 100 km away
  19. 2.66 km NNE of Quinlan, Oklahoma · 4040 days ago · 7 km deep · 65 km away · felt by 2
  20. 2.07 km SE of Harper, Kansas · 4040 days ago · 4 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003ksf. Read Mon, Sep 28, 2026, 2:37 PM UTC.