Oklahoma earthquakes

M3.2 earthquake 8 km SE of Byron, Oklahoma

A magnitude 3.2 earthquake struck 8 km SE of Byron, Oklahoma on Tue, Jul 21, 2015, 8:19 PM CDT (01:19 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.1 6 km WNW of Medford, Oklahoma. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.2 (ml), minor
Local time
UTC
2015-07-22 01:19:30 UTC
Depth
0.1 km (0.1 mi), shallow
Epicenter
36.846° N, 98.228° 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 2.9 km horizontally, 7.5 km in depth
Station coverage gap
157°
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 at least 200 in the 30 days before it.

After

  1. 2.97 km SW of Bluff City, Kansas · 4084 days ago · 6 km deep · 33 km away · felt by 1
  2. 2.68 km SSE of Byron, Oklahoma · 4084 days ago · 5 km deep · 2 km away
  3. 2.77 km SSE of Byron, Oklahoma · 4084 days ago · 4 km deep · 3 km away
  4. 2.73 km E of Nescatunga, Oklahoma · 4084 days ago · 6 km deep · 15 km away
  5. 2.58 km SE of Byron, Oklahoma · 4084 days ago · 4 km deep · 1 km away
  6. 3.24 km NNW of Hunter, Oklahoma · 4084 days ago · 6 km deep · 56 km away · felt by 1
  7. 2.77 km SE of Byron, Oklahoma · 4084 days ago · 5 km deep · 1 km away
  8. 2.95 km WNW of Lucien, Oklahoma · 4083 days ago · 8 km deep · 89 km away · felt by 1
  9. 1.88 km ENE of Manchester, Oklahoma · 4083 days ago · 7 km deep · 32 km away
  10. 2.87 km SW of Bluff City, Kansas · 4083 days ago · 6 km deep · 33 km away
  11. 2.56 km NE of Fairmont, Oklahoma · 4083 days ago · 5 km deep · 72 km away
  12. 2.86 km SE of Byron, Oklahoma · 4083 days ago · 4 km deep · 2 km away
  13. 2.95 km S of Pond Creek, Oklahoma · 4083 days ago · 5 km deep · 45 km away
  14. 1.65 km W of Mayfield, Kansas · 4083 days ago · 4 km deep · 71 km away
  15. 2.38 km ESE of Freeport, Kansas · 4082 days ago · 8 km deep · 53 km away
  16. 1.85 km WSW of Bluff City, Kansas · 4082 days ago · 4 km deep · 35 km away
  17. 2.57 km SW of Bluff City, Kansas · 4082 days ago · 6 km deep · 33 km away
  18. 2.99 km SSE of Byron, Oklahoma · 4082 days ago · 6 km deep · 3 km away
  19. 1.58 km ESE of Freeport, Kansas · 4082 days ago · 9 km deep · 53 km away
  20. 1.72 km SSE of Bluff City, Kansas · 4082 days ago · 3 km deep · 40 km away
  21. 1.98 km SW of Bluff City, Kansas · 4082 days ago · 7 km deep · 32 km away
  22. 3.56 km NE of Carmen, Oklahoma · 4081 days ago · 3 km deep · 30 km away · felt by 4
  23. 3.15 km ESE of Covington, Oklahoma · 4081 days ago · 8 km deep · 88 km away · felt by 1
  24. 3.18 km SE of Byron, Oklahoma · 4081 days ago · 5 km deep · 1 km away
  25. 1.52 km SSE of Bluff City, Kansas · 4081 days ago · 1 km deep · 40 km away
  26. 1.56 km WSW of Bluff City, Kansas · 4081 days ago · 3 km deep · 34 km away
  27. 3.26 km NE of Hunter, Oklahoma · 4081 days ago · 5 km deep · 61 km away · felt by 6
  28. 2.57 km SE of Medford, Oklahoma · 4081 days ago · 5 km deep · 51 km away
  29. 2.68 km NNE of Quinlan, Oklahoma · 4081 days ago · 5 km deep · 78 km away
  30. 2.76 km NNE of Quinlan, Oklahoma · 4081 days ago · 1 km deep · 80 km away
  31. 2.61 km S of Cherokee, Oklahoma · 4081 days ago · 8 km deep · 17 km away
  32. 1.710 km WNW of Caldwell, Kansas · 4080 days ago · 6 km deep · 52 km away
  33. 1.96 km S of Anthony, Kansas · 4080 days ago · 7 km deep · 32 km away
  34. 1.63 km WSW of Bluff City, Kansas · 4080 days ago · 7 km deep · 37 km away
  35. 1.58 km W of Freeport, Kansas · 4080 days ago · 7 km deep · 47 km away
  36. 1.62 km NNE of Bluff City, Kansas · 4080 days ago · 5 km deep · 43 km away
  37. 2.15 km NE of Anthony, Kansas · 4080 days ago · 2 km deep · 44 km away
  38. 3.27 km NNE of Quinlan, Oklahoma · 4079 days ago · 5 km deep · 79 km away
  39. 1.78 km ENE of Manchester, Oklahoma · 4079 days ago · 5 km deep · 31 km away
  40. 2.27 km SE of Harper, Kansas · 4079 days ago · 5 km deep · 49 km away
  41. 1.75 km SE of Freeport, Kansas · 4079 days ago · 3 km deep · 50 km away
  42. 1.95 km SSE of Freeport, Kansas · 4079 days ago · 4 km deep · 50 km away
  43. 1.55 km SSE of Freeport, Kansas · 4079 days ago · 4 km deep · 50 km away
  44. 1.64 km SW of Bluff City, Kansas · 4079 days ago · 1 km deep · 36 km away
  45. 1.72 km NNE of Bluff City, Kansas · 4079 days ago · 5 km deep · 43 km away
  46. 1.64 km S of Harper, Kansas · 4079 days ago · 2 km deep · 48 km away
  47. 1.76 km SE of Bluff City, Kansas · 4079 days ago · 2 km deep · 41 km away
  48. 2.97 km SSE of Anthony, Kansas · 4079 days ago · 7 km deep · 33 km away · felt by 4
  49. 1.85 km SSE of Freeport, Kansas · 4079 days ago · 3 km deep · 50 km away
  50. 3.27 km WNW of Medford, Oklahoma · 4079 days ago · 5 km deep · 38 km away
  51. 2.9Oklahoma · 4079 days ago · 5 km deep · 3 km away
  52. 1.75 km W of Mayfield, Kansas · 4078 days ago · 5 km deep · 72 km away
  53. 2.51 km S of Cherokee, Oklahoma · 4078 days ago · 8 km deep · 16 km away
  54. 2.76 km N of Kremlin, Oklahoma · 4078 days ago · 6 km deep · 45 km away · felt by 1
  55. 1.66 km E of Bluff City, Kansas · 4078 days ago · 5 km deep · 46 km away
  56. 2.53 km NNE of Cleo Springs, Oklahoma · 4078 days ago · 5 km deep · 49 km away · felt by 4
  57. 2.05 km SSE of Freeport, Kansas · 4078 days ago · 4 km deep · 50 km away
  58. 2.65 km SSE of Freeport, Kansas · 4078 days ago · 3 km deep · 50 km away · felt by 2
  59. 2.67 km WNW of Medford, Oklahoma · 4078 days ago · 5 km deep · 37 km away
  60. 2.810 km SW of Waynoka, Oklahoma · 4078 days ago · 0 km deep · 75 km away

The first 60 of at least 200.

Before

  1. 2.5Kansas · 4084 days ago · 5 km deep · 35 km away
  2. 2.83 km NE of Douglas, Oklahoma · 4084 days ago · 4 km deep · 81 km away · felt by 2
  3. 3.58 km SSE of Byron, Oklahoma · 4084 days ago · 5 km deep · 2 km away · felt by 1
  4. 3.03 km NE of Douglas, Oklahoma · 4084 days ago · 4 km deep · 82 km away
  5. 3.1Oklahoma · 4085 days ago · 5 km deep · 2 km away · felt by 2
  6. 1.6Kansas · 4085 days ago · 4 km deep · 36 km away
  7. 3.58 km SSE of Byron, Oklahoma · 4085 days ago · 5 km deep · 2 km away
  8. 3.23 km NE of Douglas, Oklahoma · 4085 days ago · 3 km deep · 82 km away · felt by 2
  9. 3.00 km NNW of Lucien, Oklahoma · 4085 days ago · 1 km deep · 93 km away
  10. 2.96 km NW of Nescatunga, Oklahoma · 4085 days ago · 8 km deep · 5 km away
  11. 3.34 km NNW of Hunter, Oklahoma · 4085 days ago · 6 km deep · 55 km away · felt by 1
  12. 3.46 km SSE of Byron, Oklahoma · 4085 days ago · 4 km deep · 3 km away
  13. 2.69 km SE of Byron, Oklahoma · 4085 days ago · 3 km deep · 2 km away
  14. 2.76 km ESE of Covington, Oklahoma · 4085 days ago · 8 km deep · 88 km away · felt by 1
  15. 3.77 km SSE of Byron, Oklahoma · 4085 days ago · 5 km deep · 2 km away · felt by 44
  16. 4.47 km SSE of Byron, Oklahoma · 4085 days ago · 4 km deep · 3 km away · felt by 1,495
  17. 1.82 km SSE of Bluff City, Kansas · 4085 days ago · 1 km deep · 40 km away
  18. 2.95 km NNE of Cherokee, Oklahoma · 4085 days ago · 3 km deep · 11 km away
  19. 2.57 km SW of Marland, Oklahoma · 4085 days ago · 5 km deep · 97 km away
  20. 1.94 km WSW of Bluff City, Kansas · 4086 days ago · 4 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20002z4e. Read Fri, Sep 25, 2026, 10:53 PM UTC.