Oklahoma earthquakes

M2.8 earthquake 7 km SW of Helena, Oklahoma

A magnitude 2.8 earthquake struck 7 km SW of Helena, Oklahoma on Sun, Jul 9, 2017, 1:27 AM CDT (06:27 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.7 10 km N of Caldwell, 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
2.8 (ml), micro
Local time
UTC
2017-07-09 06:27:41 UTC
Depth
5.6 km (3.5 mi), shallow
Epicenter
36.502° N, 98.332° W
Region
Oklahoma
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was IV, light 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 1.2 km horizontally, 5.3 km in depth
Station coverage gap
30°
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: 173 in the 60 days after this one and 58 in the 30 days before it.

After

  1. 3.013 km WNW of Canton, Oklahoma · 3367 days ago · 5 km deep · 56 km away · felt by 1
  2. 2.27 km SSW of Helena, Oklahoma · 3366 days ago · 5 km deep · 2 km away
  3. 2.513 km WNW of Canton, Oklahoma · 3366 days ago · 8 km deep · 55 km away
  4. 2.72 km ESE of Lambert, Oklahoma · 3366 days ago · 7 km deep · 20 km away · felt by 1
  5. 2.512 km NW of Canton, Oklahoma · 3366 days ago · 5 km deep · 53 km away
  6. 2.44 km W of Okarche, Oklahoma · 3365 days ago · 7 km deep · 91 km away · felt by 1
  7. 2.04 km NNW of Bluff City, Kansas · 3365 days ago · 5 km deep · 78 km away
  8. 2.617 km SSE of Waynoka, Oklahoma · 3365 days ago · 8 km deep · 41 km away
  9. 3.57 km SE of Harper, Kansas · 3364 days ago · 5 km deep · 87 km away · felt by 10
  10. 1.67 km SE of Harper, Kansas · 3364 days ago · 4 km deep · 87 km away
  11. 2.27 km SE of Harper, Kansas · 3364 days ago · 5 km deep · 87 km away
  12. 2.64 km ENE of Covington, Oklahoma · 3364 days ago · 7 km deep · 74 km away · felt by 2
  13. 2.06 km SSE of Argonia, Kansas · 3363 days ago · 7 km deep · 94 km away
  14. 3.34 km WNW of Lucien, Oklahoma · 3363 days ago · 3 km deep · 78 km away · felt by 7
  15. 2.25 km W of Lucien, Oklahoma · 3363 days ago · 2 km deep · 77 km away
  16. 1.97 km SSW of Anthony, Kansas · 3363 days ago · 5 km deep · 70 km away
  17. 2.614 km NW of Canton, Oklahoma · 3362 days ago · 5 km deep · 54 km away · felt by 4
  18. 2.86 km N of Dover, Oklahoma · 3362 days ago · 4 km deep · 64 km away
  19. 3.06 km N of Dover, Oklahoma · 3362 days ago · 5 km deep · 65 km away · felt by 12
  20. 2.75 km N of Dover, Oklahoma · 3362 days ago · 6 km deep · 65 km away · felt by 17
  21. 2.45 km N of Dover, Oklahoma · 3361 days ago · 4 km deep · 65 km away · felt by 9
  22. 2.29 km E of Medford, Oklahoma · 3361 days ago · 8 km deep · 71 km away · felt by 13
  23. 2.46 km N of Dover, Oklahoma · 3361 days ago · 8 km deep · 64 km away
  24. 2.74 km SE of Marshall, Oklahoma · 3360 days ago · 4 km deep · 79 km away · felt by 1
  25. 3.24 km ESE of Fairview, Oklahoma · 3359 days ago · 2 km deep · 30 km away · felt by 8
  26. 2.53 km SSE of Danville, Kansas · 3359 days ago · 4 km deep · 94 km away
  27. 3.65 km NE of Carmen, Oklahoma · 3358 days ago · 5 km deep · 15 km away · felt by 13
  28. 1.99 km W of Bluff City, Kansas · 3358 days ago · 8 km deep · 71 km away
  29. 2.65 km NE of Carmen, Oklahoma · 3358 days ago · 6 km deep · 15 km away
  30. 2.45 km NE of Carmen, Oklahoma · 3358 days ago · 5 km deep · 15 km away
  31. 2.46 km NE of Carmen, Oklahoma · 3358 days ago · 5 km deep · 15 km away
  32. 2.3Kansas · 3358 days ago · 7 km deep · 71 km away
  33. 1.69 km W of Bluff City, Kansas · 3358 days ago · 8 km deep · 70 km away
  34. 1.73 km SSE of Danville, Kansas · 3357 days ago · 4 km deep · 94 km away
  35. 2.59 km WSW of Lucien, Oklahoma · 3357 days ago · 7 km deep · 77 km away · felt by 1
  36. 1.89 km SSE of Anthony, Kansas · 3357 days ago · 8 km deep · 71 km away
  37. 1.67 km ESE of Bluff City, Kansas · 3357 days ago · 5 km deep · 77 km away
  38. 1.63 km SSE of Danville, Kansas · 3356 days ago · 4 km deep · 94 km away
  39. 2.46 km E of Manchester, Oklahoma · 3356 days ago · 7 km deep · 65 km away
  40. 2.69 km W of Bluff City, Kansas · 3355 days ago · 8 km deep · 71 km away
  41. 2.13 km SE of Fairview, Oklahoma · 3354 days ago · 5 km deep · 31 km away · felt by 1
  42. 1.65 km S of Harper, Kansas · 3353 days ago · 6 km deep · 86 km away
  43. 1.65 km SSW of Bluff City, Kansas · 3353 days ago · 5 km deep · 70 km away
  44. 3.39 km N of Nash, Oklahoma · 3352 days ago · 7 km deep · 38 km away · felt by 4
  45. 2.617 km SE of Waynoka, Oklahoma · 3352 days ago · 8 km deep · 36 km away · felt by 1
  46. 2.85 km E of Harper, Kansas · 3351 days ago · 5 km deep · 92 km away · felt by 1
  47. 2.57 km WNW of Ringwood, Oklahoma · 3351 days ago · 7 km deep · 12 km away
  48. 2.717 km SSE of Waynoka, Oklahoma · 3350 days ago · 5 km deep · 40 km away
  49. 2.16 km WNW of Danville, Kansas · 3349 days ago · 6 km deep · 96 km away
  50. 2.45 km W of Lucien, Oklahoma · 3349 days ago · 6 km deep · 77 km away
  51. 2.011 km W of Caldwell, Kansas · 3349 days ago · 5 km deep · 78 km away
  52. 1.910 km N of Caldwell, Kansas · 3348 days ago · 3 km deep · 95 km away
  53. 1.610 km N of Caldwell, Kansas · 3348 days ago · 3 km deep · 94 km away
  54. 1.76 km E of Bluff City, Kansas · 3348 days ago · 5 km deep · 79 km away
  55. 1.710 km N of Caldwell, Kansas · 3347 days ago · 3 km deep · 95 km away
  56. 2.54 km W of Lucien, Oklahoma · 3347 days ago · 5 km deep · 78 km away
  57. 2.64 km W of Lucien, Oklahoma · 3346 days ago · 5 km deep · 78 km away · felt by 2
  58. 2.59 km WSW of Waynoka, Oklahoma · 3346 days ago · 6 km deep · 57 km away
  59. 2.710 km WNW of Caldwell, Kansas · 3345 days ago · 5 km deep · 83 km away · felt by 1
  60. 1.510 km WNW of Caldwell, Kansas · 3345 days ago · 5 km deep · 83 km away

The first 60 of 173.

Before

  1. 2.49 km WSW of Harper, Kansas · 3368 days ago · 7 km deep · 87 km away · felt by 1
  2. 2.713 km NW of Canton, Oklahoma · 3369 days ago · 5 km deep · 54 km away
  3. 2.511 km NW of Canton, Oklahoma · 3369 days ago · 8 km deep · 53 km away
  4. 2.113 km NW of Canton, Oklahoma · 3369 days ago · 5 km deep · 54 km away
  5. 2.810 km NW of Canton, Oklahoma · 3369 days ago · 5 km deep · 53 km away · felt by 1
  6. 3.15 km SSW of Medford, Oklahoma · 3370 days ago · 6 km deep · 59 km away · felt by 11
  7. 2.85 km SSW of Medford, Oklahoma · 3370 days ago · 4 km deep · 59 km away · felt by 1
  8. 2.74 km NW of Jet, Oklahoma · 3372 days ago · 9 km deep · 23 km away · felt by 1
  9. 2.63 km ESE of Meno, Oklahoma · 3373 days ago · 5 km deep · 22 km away
  10. 2.39 km ESE of Jefferson, Oklahoma · 3373 days ago · 6 km deep · 62 km away
  11. 2.6Oklahoma · 3373 days ago · 3 km deep · 37 km away
  12. 2.52 km S of Medford, Oklahoma · 3374 days ago · 4 km deep · 62 km away · felt by 1
  13. 3.12 km ENE of Jet, Oklahoma · 3375 days ago · 5 km deep · 25 km away · felt by 2
  14. 1.88 km SE of Harper, Kansas · 3375 days ago · 3 km deep · 87 km away
  15. 2.16 km SE of Harper, Kansas · 3375 days ago · 6 km deep · 89 km away
  16. 2.8Oklahoma · 3376 days ago · 5 km deep · 50 km away
  17. 2.89 km SW of Waynoka, Oklahoma · 3377 days ago · 6 km deep · 57 km away
  18. 3.59 km SW of Waynoka, Oklahoma · 3377 days ago · 6 km deep · 57 km away · felt by 3
  19. 2.310 km NNE of Quinlan, Oklahoma · 3379 days ago · 5 km deep · 59 km away
  20. 3.39 km W of Red Rock, Oklahoma · 3379 days ago · 5 km deep · 94 km away · felt by 13

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100098c2. Read Sun, Sep 27, 2026, 4:30 AM UTC.