Oklahoma earthquakes

M2.6 earthquake 18 km W of Ralston, Oklahoma

A magnitude 2.6 earthquake struck 18 km W of Ralston, Oklahoma on Sun, Dec 6, 2015, 11:11 AM CST (17:11 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.7 2 km W of Cushing, Oklahoma. This one was a foreshock.

McCord 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-12-06 17:11:28 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
36.500° N, 96.943° 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.

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 1.7 km horizontally, 7.7 km in depth
Station coverage gap
80°
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 199 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.88 km SW of Shamrock, Oklahoma · 3953 days ago · 5 km deep · 77 km away · felt by 1
  2. 3.19 km SW of Shamrock, Oklahoma · 3953 days ago · 5 km deep · 77 km away · felt by 1
  3. 2.510 km N of Caldwell, Kansas · 3953 days ago · 4 km deep · 92 km away
  4. 2.710 km N of Caldwell, Kansas · 3953 days ago · 5 km deep · 92 km away · felt by 1
  5. 1.73 km S of Caldwell, Kansas · 3953 days ago · 6 km deep · 82 km away
  6. 2.73 km S of Caldwell, Kansas · 3952 days ago · 6 km deep · 81 km away · felt by 3
  7. 3.511 km NE of Wakita, Oklahoma · 3952 days ago · 4 km deep · 92 km away · felt by 26
  8. 3.410 km NE of Wakita, Oklahoma · 3952 days ago · 8 km deep · 92 km away · felt by 2
  9. 3.012 km ENE of Wakita, Oklahoma · 3952 days ago · 4 km deep · 92 km away
  10. 3.411 km NE of Wakita, Oklahoma · 3952 days ago · 5 km deep · 93 km away
  11. 3.513 km NE of Wakita, Oklahoma · 3952 days ago · 4 km deep · 92 km away · felt by 6
  12. 2.00 km N of Stillwater, Oklahoma · 3952 days ago · 6 km deep · 43 km away · felt by 6
  13. 2.84 km ESE of Tryon, Oklahoma · 3951 days ago · 5 km deep · 72 km away · felt by 1
  14. 2.512 km NE of Wakita, Oklahoma · 3951 days ago · 3 km deep · 92 km away
  15. 2.68 km SW of Shamrock, Oklahoma · 3951 days ago · 5 km deep · 77 km away
  16. 2.98 km SW of Shamrock, Oklahoma · 3951 days ago · 5 km deep · 77 km away
  17. 3.09 km NNW of Lamont, Oklahoma · 3951 days ago · 6 km deep · 66 km away · felt by 1
  18. 2.83 km NE of Orlando, Oklahoma · 3949 days ago · 5 km deep · 52 km away
  19. 2.813 km WSW of Ralston, Oklahoma · 3949 days ago · 5 km deep · 8 km away
  20. 2.81 km E of Coyle, Oklahoma · 3949 days ago · 6 km deep · 65 km away
  21. 3.36 km WSW of Perry, Oklahoma · 3949 days ago · 8 km deep · 46 km away · felt by 3
  22. 2.55 km N of Glencoe, Oklahoma · 3949 days ago · 8 km deep · 25 km away
  23. 2.73 km W of Cushing, Oklahoma · 3948 days ago · 5 km deep · 58 km away
  24. 2.62 km WNW of Cushing, Oklahoma · 3948 days ago · 5 km deep · 58 km away
  25. 2.89 km NNW of Lamont, Oklahoma · 3948 days ago · 6 km deep · 66 km away
  26. 2.64 km SSE of Covington, Oklahoma · 3948 days ago · 5 km deep · 62 km away · felt by 2
  27. 2.83 km WNW of Douglas, Oklahoma · 3948 days ago · 5 km deep · 72 km away · felt by 1
  28. 3.10 km NNW of Lucien, Oklahoma · 3947 days ago · 8 km deep · 52 km away
  29. 3.45 km ESE of Red Rock, Oklahoma · 3947 days ago · 7 km deep · 17 km away · felt by 6
  30. 2.63 km WNW of Skedee, Oklahoma · 3947 days ago · 4 km deep · 22 km away
  31. 3.05 km W of Lucien, Oklahoma · 3946 days ago · 8 km deep · 57 km away
  32. 2.77 km E of Marland, Oklahoma · 3945 days ago · 4 km deep · 12 km away
  33. 1.68 km ENE of Caldwell, Kansas · 3945 days ago · 5 km deep · 81 km away
  34. 3.25 km W of Lucien, Oklahoma · 3945 days ago · 7 km deep · 56 km away · felt by 7
  35. 2.07 km ESE of Bluff City, Kansas · 3945 days ago · 4 km deep · 97 km away
  36. 2.510 km SSE of Cushing, Oklahoma · 3945 days ago · 5 km deep · 70 km away
  37. 2.53 km S of Renfrow, Oklahoma · 3945 days ago · 5 km deep · 77 km away
  38. 2.7Oklahoma · 3945 days ago · 5 km deep · 56 km away · felt by 2
  39. 2.67 km NE of Hillsdale, Oklahoma · 3945 days ago · 6 km deep · 89 km away
  40. 2.76 km NE of Billings, Oklahoma · 3945 days ago · 6 km deep · 41 km away
  41. 3.29 km NE of Marshall, Oklahoma · 3944 days ago · 6 km deep · 63 km away · felt by 2
  42. 3.29 km NE of Marshall, Oklahoma · 3944 days ago · 6 km deep · 63 km away · felt by 2
  43. 2.88 km SSW of Wellston, Oklahoma · 3943 days ago · 6 km deep · 99 km away
  44. 3.48 km SSW of Wellston, Oklahoma · 3943 days ago · 6 km deep · 99 km away · felt by 4
  45. 2.89 km WSW of Renfrow, Oklahoma · 3943 days ago · 3 km deep · 84 km away
  46. 2.57 km SSE of Guthrie, Oklahoma · 3943 days ago · 5 km deep · 86 km away · felt by 1
  47. 2.77 km NW of Langston, Oklahoma · 3943 days ago · 6 km deep · 64 km away
  48. 2.53 km NNW of Deer Creek, Oklahoma · 3943 days ago · 5 km deep · 65 km away
  49. 3.13 km N of Coyle, Oklahoma · 3942 days ago · 6 km deep · 62 km away · felt by 3
  50. 3.49 km NE of Marshall, Oklahoma · 3942 days ago · 6 km deep · 63 km away · felt by 1
  51. 2.89 km NNE of Nash, Oklahoma · 3942 days ago · 7 km deep · 99 km away
  52. 1.57 km NNW of Caldwell, Kansas · 3942 days ago · 5 km deep · 90 km away
  53. 3.72 km W of Cushing, Oklahoma · 3942 days ago · 6 km deep · 59 km away · felt by 26
  54. 2.83 km W of Cushing, Oklahoma · 3942 days ago · 4 km deep · 59 km away
  55. 3.46 km WNW of Lucien, Oklahoma · 3942 days ago · 7 km deep · 56 km away · felt by 6
  56. 2.73 km N of Deer Creek, Oklahoma · 3941 days ago · 5 km deep · 64 km away
  57. 3.33 km SSW of Marshall, Oklahoma · 3941 days ago · 5 km deep · 75 km away · felt by 3
  58. 3.210 km SSE of Cushing, Oklahoma · 3941 days ago · 5 km deep · 70 km away · felt by 3
  59. 3.36 km NE of Nash, Oklahoma · 3941 days ago · 7 km deep · 96 km away
  60. 1.57 km S of Guthrie, Oklahoma · 3940 days ago · 2 km deep · 88 km away

The first 60 of at least 199.

Before

  1. 2.78 km SW of Shamrock, Oklahoma · 3953 days ago · 5 km deep · 77 km away
  2. 2.85 km SE of Guthrie, Oklahoma · 3953 days ago · 4 km deep · 84 km away · felt by 1
  3. 2.79 km SW of Shamrock, Oklahoma · 3953 days ago · 5 km deep · 77 km away
  4. 2.98 km SW of Shamrock, Oklahoma · 3953 days ago · 5 km deep · 77 km away · felt by 5
  5. 3.47 km NW of Orlando, Oklahoma · 3954 days ago · 6 km deep · 55 km away · felt by 5
  6. 1.710 km N of Caldwell, Kansas · 3954 days ago · 4 km deep · 92 km away
  7. 2.85 km NE of Stillwater, Oklahoma · 3955 days ago · 6 km deep · 40 km away · felt by 22
  8. 2.56 km WNW of Medford, Oklahoma · 3955 days ago · 4 km deep · 85 km away
  9. 2.95 km S of Nash, Oklahoma · 3955 days ago · 6 km deep · 100 km away
  10. 3.25 km S of Nash, Oklahoma · 3955 days ago · 6 km deep · 100 km away · felt by 1
  11. 2.6Oklahoma · 3955 days ago · 6 km deep · 36 km away · felt by 4
  12. 2.01 km NE of Stillwater, Oklahoma · 3956 days ago · 7 km deep · 43 km away · felt by 6
  13. 2.68 km NNE of Morrison, Oklahoma · 3956 days ago · 4 km deep · 15 km away
  14. 1.77 km SE of Bluff City, Kansas · 3957 days ago · 4 km deep · 98 km away
  15. 2.79 km NE of Marshall, Oklahoma · 3957 days ago · 6 km deep · 63 km away · felt by 1
  16. 2.75 km NNW of Medford, Oklahoma · 3958 days ago · 7 km deep · 82 km away
  17. 2.58 km NW of Jefferson, Oklahoma · 3958 days ago · 5 km deep · 87 km away
  18. 2.610 km NE of Wakita, Oklahoma · 3958 days ago · 8 km deep · 94 km away
  19. 2.510 km NE of Wakita, Oklahoma · 3958 days ago · 4 km deep · 93 km away
  20. 1.912 km ESE of Bluff City, Kansas · 3958 days ago · 4 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100044gc. Read Fri, Oct 2, 2026, 4:08 PM UTC.