Oklahoma earthquakes

M2.1 earthquake 8 km S of Byron, Oklahoma

A magnitude 2.1 earthquake struck 8 km S of Byron, Oklahoma on Mon, Aug 16, 2021, 10:27 PM CDT (03:27 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.1 9 km NNW of Perry, 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
2.1 (ml), micro
Local time
UTC
2021-08-17 03:27:44 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
36.829° N, 98.277° 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.

Magnitude uncertainty
±0.24
Depth from
Operator assigned
Station coverage gap
94°
Stations used
77

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 81 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 2.19 km NNW of Perry, Oklahoma · 1858 days ago · 6 km deep · 98 km away
  2. 2.33 km SE of Meno, Oklahoma · 1858 days ago · 7 km deep · 53 km away
  3. 1.79 km NW of Perry, Oklahoma · 1857 days ago · 6 km deep · 98 km away
  4. 3.59 km ESE of Jefferson, Oklahoma · 1857 days ago · 5 km deep · 55 km away · felt by 16
  5. 1.69 km ESE of Jefferson, Oklahoma · 1857 days ago · 7 km deep · 54 km away
  6. 2.29 km NNW of Perry, Oklahoma · 1856 days ago · 6 km deep · 98 km away
  7. 2.09 km ESE of Jefferson, Oklahoma · 1854 days ago · 7 km deep · 54 km away · felt by 1
  8. 1.89 km NNE of Quinlan, Oklahoma · 1853 days ago · 7 km deep · 72 km away
  9. 1.95 km N of Ames, Oklahoma · 1851 days ago · 8 km deep · 60 km away
  10. 2.02 km SSW of Cherokee, Oklahoma · 1850 days ago · 7 km deep · 13 km away
  11. 2.02 km ENE of Hennessey, Oklahoma · 1850 days ago · 6 km deep · 87 km away
  12. 2.77 km ENE of Renfrow, Oklahoma · 1850 days ago · 7 km deep · 64 km away · felt by 5
  13. 1.76 km SSW of Lahoma, Oklahoma · 1849 days ago · 7 km deep · 58 km away
  14. 1.89 km NNE of Quinlan, Oklahoma · 1847 days ago · 8 km deep · 72 km away
  15. 2.09 km NNE of Quinlan, Oklahoma · 1847 days ago · 8 km deep · 72 km away
  16. 1.69 km NNE of Quinlan, Oklahoma · 1847 days ago · 8 km deep · 72 km away
  17. 1.59 km NNE of Quinlan, Oklahoma · 1847 days ago · 8 km deep · 72 km away
  18. 2.89 km NNE of Quinlan, Oklahoma · 1847 days ago · 8 km deep · 72 km away · felt by 1
  19. 2.19 km NNE of Quinlan, Oklahoma · 1846 days ago · 8 km deep · 72 km away · felt by 1
  20. 1.60 km W of Pond Creek, Oklahoma · 1846 days ago · 7 km deep · 45 km away · felt by 1
  21. 2.12 km SE of Meno, Oklahoma · 1846 days ago · 7 km deep · 52 km away · felt by 1
  22. 3.02 km SSW of Cherokee, Oklahoma · 1845 days ago · 5 km deep · 13 km away · felt by 7
  23. 1.63 km SSE of Meno, Oklahoma · 1845 days ago · 6 km deep · 53 km away
  24. 1.93 km SSE of Meno, Oklahoma · 1845 days ago · 7 km deep · 53 km away
  25. 1.62 km SE of Meno, Oklahoma · 1845 days ago · 6 km deep · 52 km away
  26. 2.14 km WSW of Aline, Oklahoma · 1843 days ago · 9 km deep · 42 km away
  27. 2.66 km NNE of Ames, Oklahoma · 1842 days ago · 8 km deep · 59 km away · felt by 1
  28. 1.611 km SSW of Dacoma, Oklahoma · 1841 days ago · 5 km deep · 41 km away
  29. 1.72 km SSE of Meno, Oklahoma · 1841 days ago · 7 km deep · 52 km away
  30. 1.79 km NW of Perry, Oklahoma · 1840 days ago · 8 km deep · 97 km away
  31. 1.67 km E of Nescatunga, Oklahoma · 1838 days ago · 8 km deep · 20 km away
  32. 2.410 km W of Lamont, Oklahoma · 1837 days ago · 5 km deep · 56 km away
  33. 2.07 km E of Nescatunga, Oklahoma · 1837 days ago · 8 km deep · 20 km away
  34. 1.69 km WSW of Ringwood, Oklahoma · 1836 days ago · 7 km deep · 55 km away
  35. 2.53 km SE of Nescatunga, Oklahoma · 1836 days ago · 6 km deep · 17 km away · felt by 2
  36. 1.69 km ESE of Jefferson, Oklahoma · 1836 days ago · 7 km deep · 54 km away · felt by 1
  37. 1.97 km E of Nescatunga, Oklahoma · 1836 days ago · 8 km deep · 20 km away
  38. 1.59 km NW of Perry, Oklahoma · 1834 days ago · 7 km deep · 97 km away
  39. 1.62 km S of Renfrow, Oklahoma · 1834 days ago · 7 km deep · 56 km away
  40. 2.35 km ESE of Covington, Oklahoma · 1833 days ago · 8 km deep · 90 km away
  41. 1.62 km NW of Renfrow, Oklahoma · 1832 days ago · 6 km deep · 55 km away
  42. 2.42 km NW of Renfrow, Oklahoma · 1830 days ago · 6 km deep · 55 km away
  43. 2.04 km ESE of Covington, Oklahoma · 1830 days ago · 5 km deep · 89 km away · felt by 2
  44. 1.916 km SE of Waynoka, Oklahoma · 1829 days ago · 8 km deep · 60 km away
  45. 1.64 km NE of Cherokee, Oklahoma · 1829 days ago · 5 km deep · 7 km away
  46. 3.87 km E of Nescatunga, Oklahoma · 1829 days ago · 7 km deep · 20 km away · felt by 89
  47. 3.67 km E of Nescatunga, Oklahoma · 1829 days ago · 8 km deep · 20 km away · felt by 10
  48. 3.08 km E of Nescatunga, Oklahoma · 1829 days ago · 7 km deep · 21 km away · felt by 5
  49. 2.27 km E of Nescatunga, Oklahoma · 1829 days ago · 8 km deep · 20 km away · felt by 2
  50. 1.64 km W of Lucien, Oklahoma · 1829 days ago · 7 km deep · 93 km away
  51. 1.66 km N of Ames, Oklahoma · 1827 days ago · 8 km deep · 59 km away
  52. 1.81 km SSW of Wakita, Oklahoma · 1827 days ago · 8 km deep · 31 km away · felt by 1
  53. 1.84 km W of Lucien, Oklahoma · 1827 days ago · 8 km deep · 92 km away
  54. 1.66 km SSW of Lahoma, Oklahoma · 1826 days ago · 7 km deep · 58 km away
  55. 1.68 km E of Nescatunga, Oklahoma · 1826 days ago · 8 km deep · 22 km away
  56. 1.65 km N of Ames, Oklahoma · 1825 days ago · 8 km deep · 60 km away
  57. 2.77 km NNE of Ames, Oklahoma · 1825 days ago · 7 km deep · 58 km away · felt by 5
  58. 1.78 km E of Nescatunga, Oklahoma · 1824 days ago · 8 km deep · 20 km away
  59. 2.50 km SW of Wakita, Oklahoma · 1824 days ago · 8 km deep · 32 km away · felt by 4
  60. 1.83 km NW of Renfrow, Oklahoma · 1824 days ago · 7 km deep · 55 km away

The first 60 of 81.

Before

  1. 2.56 km SSE of Bluff City, Kansas · 1865 days ago · 5 km deep · 44 km away
  2. 3.05 km SSE of Bluff City, Kansas · 1865 days ago · 10 km deep · 45 km away · felt by 3
  3. 1.94 km WSW of Aline, Oklahoma · 1865 days ago · 7 km deep · 42 km away
  4. 1.97 km N of Hunter, Oklahoma · 1866 days ago · 7 km deep · 60 km away
  5. 1.55 km N of Nardin, Oklahoma · 1867 days ago · 3 km deep · 73 km away
  6. 1.95 km N of Ames, Oklahoma · 1867 days ago · 7 km deep · 60 km away
  7. 2.06 km N of Cherokee, Oklahoma · 1869 days ago · 7 km deep · 7 km away
  8. 1.77 km E of Pond Creek, Oklahoma · 1871 days ago · 7 km deep · 52 km away
  9. 2.414 km SSE of Waynoka, Oklahoma · 1873 days ago · 6 km deep · 64 km away · felt by 1
  10. 2.32 km SE of Meno, Oklahoma · 1873 days ago · 7 km deep · 52 km away
  11. 1.91 km NW of Kremlin, Oklahoma · 1874 days ago · 8 km deep · 49 km away · felt by 1
  12. 1.96 km NNE of Ames, Oklahoma · 1875 days ago · 8 km deep · 60 km away
  13. 3.116 km SE of Waynoka, Oklahoma · 1875 days ago · 8 km deep · 59 km away · felt by 3
  14. 1.58 km E of Nescatunga, Oklahoma · 1875 days ago · 8 km deep · 21 km away
  15. 1.810 km W of Lamont, Oklahoma · 1876 days ago · 7 km deep · 56 km away
  16. 1.920 km NNE of Woodward, Oklahoma · 1877 days ago · 5 km deep · 96 km away
  17. 1.94 km ESE of Covington, Oklahoma · 1877 days ago · 8 km deep · 89 km away
  18. 1.94 km ESE of Covington, Oklahoma · 1877 days ago · 8 km deep · 89 km away
  19. 2.32 km W of Lucien, Oklahoma · 1877 days ago · 6 km deep · 94 km away
  20. 1.68 km NNE of Quinlan, Oklahoma · 1877 days ago · 8 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021qavo. Read Tue, Sep 22, 2026, 5:19 PM UTC.