Oklahoma earthquakes

M1.8 earthquake 3 km E of Bradley, Oklahoma

A magnitude 1.8 earthquake struck 3 km E of Bradley, Oklahoma on Fri, Oct 8, 2021, 4:31 AM CDT (09:31 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.6 2 km ESE of Luther, Oklahoma. This one was a foreshock.

Lindsay 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
1.8 (ml), micro
Local time
UTC
2021-10-08 09:31:19 UTC
Depth
5.4 km (3.4 mi), shallow
Epicenter
34.879° N, 97.672° 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
Station coverage gap
50°
Stations used
63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.62 km ESE of Luther, Oklahoma · 1811 days ago · 7 km deep · 97 km away · felt by 3
  2. 1.65 km W of Yukon, Oklahoma · 1809 days ago · 4 km deep · 70 km away
  3. 1.62 km ESE of Luther, Oklahoma · 1804 days ago · 7 km deep · 97 km away
  4. 1.813 km WSW of El Reno, Oklahoma · 1790 days ago · 5 km deep · 76 km away · felt by 1
  5. 1.611 km WSW of El Reno, Oklahoma · 1788 days ago · 6 km deep · 76 km away
  6. 1.811 km WSW of El Reno, Oklahoma · 1788 days ago · 6 km deep · 76 km away
  7. 1.57 km NE of Harrah, Oklahoma · 1788 days ago · 7 km deep · 90 km away
  8. 2.08 km SSW of Warwick, Oklahoma · 1782 days ago · 6 km deep · 100 km away
  9. 1.68 km SW of Yukon, Oklahoma · 1777 days ago · 6 km deep · 66 km away
  10. 1.68 km SW of Yukon, Oklahoma · 1777 days ago · 5 km deep · 65 km away
  11. 2.88 km SSW of Warwick, Oklahoma · 1777 days ago · 7 km deep · 100 km away · felt by 14
  12. 1.78 km SSW of Warwick, Oklahoma · 1777 days ago · 7 km deep · 100 km away
  13. 1.58 km SW of Yukon, Oklahoma · 1777 days ago · 7 km deep · 67 km away
  14. 1.98 km SSW of Warwick, Oklahoma · 1777 days ago · 7 km deep · 100 km away
  15. 1.95 km WSW of Washington, Oklahoma · 1771 days ago · 6 km deep · 22 km away
  16. 1.99 km SSE of Ratliff City, Oklahoma · 1770 days ago · 5 km deep · 59 km away
  17. 1.67 km SW of Yukon, Oklahoma · 1770 days ago · 5 km deep · 67 km away
  18. 1.72 km S of Tuttle, Oklahoma · 1769 days ago · 6 km deep · 45 km away
  19. 2.310 km SSE of Ratliff City, Oklahoma · 1769 days ago · 6 km deep · 60 km away
  20. 1.68 km SSE of Ratliff City, Oklahoma · 1769 days ago · 5 km deep · 59 km away
  21. 1.78 km SSE of Ratliff City, Oklahoma · 1769 days ago · 4 km deep · 58 km away
  22. 1.67 km SSE of Ratliff City, Oklahoma · 1768 days ago · 5 km deep · 58 km away
  23. 1.69 km SSE of Ratliff City, Oklahoma · 1768 days ago · 5 km deep · 59 km away
  24. 1.99 km SSE of Ratliff City, Oklahoma · 1768 days ago · 6 km deep · 60 km away
  25. 1.610 km SSE of Ratliff City, Oklahoma · 1767 days ago · 6 km deep · 60 km away
  26. 2.09 km SSE of Ratliff City, Oklahoma · 1767 days ago · 6 km deep · 60 km away
  27. 1.79 km SSE of Ratliff City, Oklahoma · 1767 days ago · 6 km deep · 59 km away
  28. 1.69 km SW of Yukon, Oklahoma · 1766 days ago · 5 km deep · 65 km away
  29. 1.98 km SSE of Ratliff City, Oklahoma · 1766 days ago · 5 km deep · 59 km away
  30. 2.49 km ESE of Chickasha, Oklahoma · 1765 days ago · 9 km deep · 23 km away · felt by 9
  31. 2.310 km SSE of Ratliff City, Oklahoma · 1764 days ago · 6 km deep · 60 km away
  32. 1.82 km WSW of Bridge Creek, Oklahoma · 1764 days ago · 6 km deep · 40 km away · felt by 3
  33. 1.67 km SSE of Ratliff City, Oklahoma · 1763 days ago · 6 km deep · 58 km away
  34. 1.88 km WSW of El Reno, Oklahoma · 1763 days ago · 7 km deep · 76 km away
  35. 1.95 km NW of Minco, Oklahoma · 1759 days ago · 7 km deep · 60 km away · felt by 5
  36. 1.76 km NW of Minco, Oklahoma · 1759 days ago · 7 km deep · 60 km away
  37. 2.45 km SW of Union City, Oklahoma · 1759 days ago · 7 km deep · 60 km away · felt by 3
  38. 1.61 km SW of Bridge Creek, Oklahoma · 1755 days ago · 4 km deep · 39 km away · felt by 2
  39. 1.57 km NNE of Union City, Oklahoma · 1754 days ago · 5 km deep · 67 km away
  40. 1.68 km S of Dibble, Oklahoma · 1753 days ago · 8 km deep · 9 km away

Before

  1. 2.13 km E of Bradley, Oklahoma · 1812 days ago · 5 km deep · 0 km away · felt by 4
  2. 1.63 km E of Bradley, Oklahoma · 1816 days ago · 13 km deep · 0 km away
  3. 1.73 km E of Bradley, Oklahoma · 1817 days ago · 13 km deep · 1 km away
  4. 2.211 km E of Comanche, Oklahoma · 1819 days ago · 9 km deep · 58 km away
  5. 1.77 km SSE of Erin Springs, Oklahoma · 1828 days ago · 7 km deep · 17 km away
  6. 1.87 km SSE of Erin Springs, Oklahoma · 1828 days ago · 7 km deep · 17 km away
  7. 1.93 km S of Blanchard, Oklahoma · 1830 days ago · 4 km deep · 25 km away · felt by 11
  8. 1.87 km SSE of Erin Springs, Oklahoma · 1831 days ago · 7 km deep · 18 km away
  9. 2.27 km SSE of Erin Springs, Oklahoma · 1831 days ago · 7 km deep · 17 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021tshs. Read Wed, Sep 23, 2026, 7:19 PM UTC.