Oklahoma earthquakes

M2.5 earthquake 7 km NNE of Helena, Oklahoma

A magnitude 2.5 earthquake struck 7 km NNE of Helena, Oklahoma on Tue, Sep 23, 2014, 9:27 AM CDT (14:27 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.9 4 km ENE of Milan, Kansas. 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
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2014-09-23 14:27:23 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
36.611° N, 98.248° 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 1.2 km horizontally, 6.3 km in depth
Station coverage gap
99°
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 200 in the 60 days after this one and 162 in the 30 days before it.

After

  1. 2.72 km NE of Medford, Oklahoma · 4391 days ago · 4 km deep · 53 km away
  2. 1.66 km S of Anthony, Kansas · 4390 days ago · 6 km deep · 57 km away
  3. 2.09 km SE of Harper, Kansas · 4390 days ago · 3 km deep · 72 km away
  4. 2.12 km S of Anthony, Kansas · 4390 days ago · 6 km deep · 61 km away
  5. 2.72 km SE of Anthony, Kansas · 4390 days ago · 5 km deep · 62 km away · felt by 11
  6. 2.44 km SE of Harper, Kansas · 4390 days ago · 4 km deep · 76 km away
  7. 1.54 km SE of Harper, Kansas · 4390 days ago · 4 km deep · 76 km away
  8. 1.62 km S of Anthony, Kansas · 4390 days ago · 6 km deep · 61 km away
  9. 2.12 km S of Anthony, Kansas · 4390 days ago · 6 km deep · 61 km away
  10. 2.43 km SSE of Anthony, Kansas · 4390 days ago · 3 km deep · 60 km away · felt by 2
  11. 2.610 km W of Mulhall, Oklahoma · 4390 days ago · 4 km deep · 90 km away
  12. 2.79 km SW of Wakita, Oklahoma · 4390 days ago · 5 km deep · 32 km away
  13. 2.62 km ENE of Anthony, Kansas · 4390 days ago · 5 km deep · 64 km away · felt by 2
  14. 1.74 km SE of Harper, Kansas · 4390 days ago · 4 km deep · 76 km away
  15. 1.64 km SE of Harper, Kansas · 4390 days ago · 4 km deep · 75 km away
  16. 1.84 km SE of Harper, Kansas · 4389 days ago · 4 km deep · 76 km away
  17. 2.42 km SE of Anthony, Kansas · 4389 days ago · 5 km deep · 62 km away
  18. 2.03 km S of Anthony, Kansas · 4389 days ago · 5 km deep · 60 km away
  19. 1.64 km SE of Harper, Kansas · 4389 days ago · 5 km deep · 76 km away
  20. 2.14 km SE of Harper, Kansas · 4389 days ago · 4 km deep · 76 km away
  21. 2.04 km SE of Harper, Kansas · 4389 days ago · 4 km deep · 76 km away
  22. 1.88 km SE of Harper, Kansas · 4388 days ago · 4 km deep · 73 km away
  23. 1.78 km SE of Harper, Kansas · 4388 days ago · 4 km deep · 74 km away
  24. 1.86 km E of Manchester, Oklahoma · 4388 days ago · 1 km deep · 50 km away
  25. 2.32 km SE of Harper, Kansas · 4388 days ago · 5 km deep · 77 km away
  26. 1.63 km S of Anthony, Kansas · 4387 days ago · 6 km deep · 61 km away
  27. 2.64 km SSE of Covington, Oklahoma · 4387 days ago · 3 km deep · 72 km away
  28. 1.65 km SE of Harper, Kansas · 4387 days ago · 4 km deep · 75 km away
  29. 1.75 km SE of Harper, Kansas · 4386 days ago · 5 km deep · 75 km away
  30. 2.54 km ENE of Crescent, Oklahoma · 4386 days ago · 5 km deep · 94 km away
  31. 2.62 km NE of Medford, Oklahoma · 4386 days ago · 4 km deep · 53 km away
  32. 4.09 km SSE of Covington, Oklahoma · 4385 days ago · 2 km deep · 76 km away · felt by 150
  33. 2.69 km NE of Marshall, Oklahoma · 4385 days ago · 4 km deep · 75 km away
  34. 2.7Oklahoma · 4385 days ago · 5 km deep · 75 km away
  35. 3.010 km NE of Marshall, Oklahoma · 4385 days ago · 5 km deep · 78 km away · felt by 1
  36. 2.99 km NE of Marshall, Oklahoma · 4385 days ago · 3 km deep · 77 km away · felt by 2
  37. 3.29 km SW of Lucien, Oklahoma · 4385 days ago · 4 km deep · 78 km away · felt by 7
  38. 2.92 km NW of Anthony, Kansas · 4385 days ago · 8 km deep · 64 km away
  39. 2.69 km NNW of Hunter, Oklahoma · 4385 days ago · 6 km deep · 49 km away
  40. 3.35 km SW of Danville, Kansas · 4385 days ago · 5 km deep · 76 km away · felt by 8
  41. 1.97 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 74 km away
  42. 2.17 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 74 km away
  43. 2.87 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 74 km away
  44. 2.18 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 74 km away
  45. 1.77 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 74 km away
  46. 2.28 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 74 km away
  47. 2.69 km NNE of Perry, Oklahoma · 4385 days ago · 5 km deep · 95 km away
  48. 3.89 km SE of Harper, Kansas · 4385 days ago · 3 km deep · 72 km away · felt by 65
  49. 2.78 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 73 km away
  50. 2.38 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 74 km away
  51. 2.1Kansas · 4385 days ago · 3 km deep · 75 km away
  52. 3.16 km SE of Harper, Kansas · 4385 days ago · 5 km deep · 75 km away
  53. 1.6Kansas · 4385 days ago · 4 km deep · 74 km away
  54. 2.08 km SE of Harper, Kansas · 4385 days ago · 4 km deep · 74 km away
  55. 1.77 km SW of Danville, Kansas · 4385 days ago · 4 km deep · 74 km away
  56. 1.57 km SW of Danville, Kansas · 4385 days ago · 4 km deep · 74 km away
  57. 3.15 km SE of Harper, Kansas · 4385 days ago · 5 km deep · 74 km away · felt by 5
  58. 2.78 km SW of Danville, Kansas · 4385 days ago · 4 km deep · 74 km away
  59. 2.65 km SSW of Danville, Kansas · 4385 days ago · 6 km deep · 76 km away
  60. 2.08 km N of Manchester, Oklahoma · 4385 days ago · 6 km deep · 54 km away

The first 60 of at least 200.

Before

  1. 2.89 km SW of Wakita, Oklahoma · 4392 days ago · 5 km deep · 32 km away · felt by 3
  2. 2.37 km WSW of Perry, Oklahoma · 4392 days ago · 11 km deep · 88 km away
  3. 1.66 km NNE of Bluff City, Kansas · 4393 days ago · 4 km deep · 67 km away
  4. 1.72 km SSE of Anthony, Kansas · 4394 days ago · 6 km deep · 61 km away
  5. 1.83 km S of Anthony, Kansas · 4394 days ago · 5 km deep · 61 km away
  6. 1.62 km S of Anthony, Kansas · 4394 days ago · 6 km deep · 61 km away
  7. 2.64 km SSE of Covington, Oklahoma · 4394 days ago · 5 km deep · 72 km away
  8. 2.12 km SSE of Anthony, Kansas · 4395 days ago · 6 km deep · 61 km away
  9. 3.01 km NNE of Medford, Oklahoma · 4395 days ago · 4 km deep · 52 km away
  10. 1.86 km SSE of Anthony, Kansas · 4395 days ago · 6 km deep · 58 km away
  11. 1.92 km SSE of Anthony, Kansas · 4395 days ago · 6 km deep · 61 km away
  12. 1.63 km NNW of Freeport, Kansas · 4396 days ago · 3 km deep · 76 km away
  13. 2.72 km ENE of Medford, Oklahoma · 4396 days ago · 4 km deep · 53 km away
  14. 2.78 km WNW of Jefferson, Oklahoma · 4396 days ago · 4 km deep · 36 km away
  15. 2.71 km NNE of Medford, Oklahoma · 4396 days ago · 4 km deep · 52 km away
  16. 3.02 km NE of Medford, Oklahoma · 4396 days ago · 4 km deep · 53 km away
  17. 2.75 km E of Nescatunga, Oklahoma · 4396 days ago · 5 km deep · 21 km away
  18. 3.36 km NE of Hunter, Oklahoma · 4396 days ago · 5 km deep · 57 km away
  19. 3.86 km NE of Hunter, Oklahoma · 4396 days ago · 5 km deep · 57 km away · felt by 35
  20. 3.23 km ESE of Perry, Oklahoma · 4397 days ago · 3 km deep · 97 km away · felt by 10

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000sf95. Read Fri, Oct 2, 2026, 10:25 AM UTC.