Oklahoma earthquakes

M1.5 earthquake 7 km NE of Harrah, Oklahoma

A magnitude 1.5 earthquake struck 7 km NE of Harrah, Oklahoma on Sun, Oct 31, 2021, 8:09 PM CDT (01:09 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.8 9 km NNW of Perry, Oklahoma. This one was a foreshock.

Harrah 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
1.5 (ml), micro
Local time
UTC
2021-11-01 01:09:32 UTC
Depth
7.1 km (4.4 mi), shallow
Epicenter
35.545° N, 97.113° 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
±0.20
Station coverage gap
30°
Stations used
92

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 71 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 2.89 km NNW of Perry, Oklahoma · 1783 days ago · 6 km deep · 94 km away · felt by 2
  2. 1.79 km NNW of Perry, Oklahoma · 1783 days ago · 6 km deep · 94 km away
  3. 1.99 km NNW of Perry, Oklahoma · 1782 days ago · 6 km deep · 93 km away
  4. 1.89 km NNW of Perry, Oklahoma · 1782 days ago · 6 km deep · 94 km away
  5. 2.08 km SSW of Warwick, Oklahoma · 1782 days ago · 6 km deep · 10 km away
  6. 1.63 km WNW of Cushing, Oklahoma · 1780 days ago · 7 km deep · 57 km away
  7. 1.62 km WNW of Cushing, Oklahoma · 1780 days ago · 7 km deep · 57 km away · felt by 1
  8. 1.89 km NNW of Perry, Oklahoma · 1776 days ago · 6 km deep · 93 km away
  9. 1.68 km SW of Yukon, Oklahoma · 1776 days ago · 6 km deep · 67 km away
  10. 1.68 km SW of Yukon, Oklahoma · 1776 days ago · 5 km deep · 65 km away
  11. 2.88 km SSW of Warwick, Oklahoma · 1776 days ago · 7 km deep · 10 km away · felt by 14
  12. 1.78 km SSW of Warwick, Oklahoma · 1776 days ago · 7 km deep · 10 km away
  13. 1.58 km SW of Yukon, Oklahoma · 1776 days ago · 7 km deep · 66 km away
  14. 1.98 km SSW of Warwick, Oklahoma · 1776 days ago · 7 km deep · 10 km away
  15. 1.610 km NNW of Perry, Oklahoma · 1775 days ago · 5 km deep · 94 km away
  16. 2.210 km WSW of Shamrock, Oklahoma · 1775 days ago · 8 km deep · 53 km away
  17. 2.01 km NNW of Cushing, Oklahoma · 1775 days ago · 7 km deep · 59 km away
  18. 1.99 km NNW of Perry, Oklahoma · 1774 days ago · 7 km deep · 94 km away
  19. 1.85 km WNW of Lucien, Oklahoma · 1772 days ago · 3 km deep · 90 km away
  20. 1.610 km NNW of Perry, Oklahoma · 1771 days ago · 7 km deep · 94 km away
  21. 1.95 km WSW of Washington, Oklahoma · 1771 days ago · 6 km deep · 68 km away
  22. 1.67 km SW of Yukon, Oklahoma · 1769 days ago · 5 km deep · 65 km away
  23. 1.72 km S of Tuttle, Oklahoma · 1769 days ago · 6 km deep · 71 km away
  24. 2.05 km N of Stroud, Oklahoma · 1768 days ago · 8 km deep · 50 km away
  25. 1.69 km SW of Yukon, Oklahoma · 1765 days ago · 5 km deep · 67 km away
  26. 2.49 km ESE of Chickasha, Oklahoma · 1764 days ago · 9 km deep · 86 km away · felt by 9
  27. 2.29 km NNW of Perry, Oklahoma · 1763 days ago · 6 km deep · 94 km away
  28. 1.82 km WSW of Bridge Creek, Oklahoma · 1763 days ago · 6 km deep · 68 km away · felt by 3
  29. 1.79 km NNW of Perry, Oklahoma · 1762 days ago · 6 km deep · 94 km away
  30. 1.88 km WSW of El Reno, Oklahoma · 1762 days ago · 7 km deep · 83 km away
  31. 1.95 km W of Lucien, Oklahoma · 1761 days ago · 7 km deep · 90 km away
  32. 1.89 km NW of Perry, Oklahoma · 1761 days ago · 6 km deep · 93 km away
  33. 1.95 km ESE of Meeker, Oklahoma · 1761 days ago · 7 km deep · 25 km away
  34. 1.68 km NW of Prague, Oklahoma · 1761 days ago · 8 km deep · 33 km away
  35. 1.87 km WSW of Shamrock, Oklahoma · 1760 days ago · 7 km deep · 56 km away
  36. 2.09 km NNW of Perry, Oklahoma · 1760 days ago · 7 km deep · 94 km away
  37. 1.810 km NNW of Perry, Oklahoma · 1760 days ago · 6 km deep · 94 km away
  38. 1.95 km NW of Minco, Oklahoma · 1759 days ago · 7 km deep · 82 km away · felt by 5
  39. 1.76 km NW of Minco, Oklahoma · 1759 days ago · 7 km deep · 82 km away
  40. 2.45 km SW of Union City, Oklahoma · 1758 days ago · 7 km deep · 82 km away · felt by 3
  41. 1.99 km NNW of Perry, Oklahoma · 1757 days ago · 6 km deep · 94 km away
  42. 1.61 km SW of Bridge Creek, Oklahoma · 1754 days ago · 4 km deep · 68 km away · felt by 2
  43. 1.57 km NNE of Union City, Oklahoma · 1753 days ago · 5 km deep · 72 km away
  44. 1.68 km S of Dibble, Oklahoma · 1753 days ago · 8 km deep · 81 km away
  45. 2.76 km WNW of Lucien, Oklahoma · 1751 days ago · 7 km deep · 91 km away · felt by 4
  46. 1.89 km SSE of Dibble, Oklahoma · 1751 days ago · 7 km deep · 78 km away
  47. 1.55 km E of Hennessey, Oklahoma · 1750 days ago · 6 km deep · 90 km away
  48. 1.710 km SSE of Dibble, Oklahoma · 1749 days ago · 7 km deep · 78 km away
  49. 2.0Oklahoma · 1748 days ago · 6 km deep · 90 km away
  50. 1.95 km E of Hennessey, Oklahoma · 1748 days ago · 7 km deep · 90 km away
  51. 1.75 km E of Hennessey, Oklahoma · 1748 days ago · 6 km deep · 90 km away
  52. 1.64 km SSE of El Reno, Oklahoma · 1747 days ago · 0 km deep · 75 km away
  53. 2.1Oklahoma · 1745 days ago · 7 km deep · 86 km away · felt by 3
  54. 2.17 km SSE of Erin Springs, Oklahoma · 1745 days ago · 11 km deep · 97 km away · felt by 1
  55. 1.86 km W of Johnson, Oklahoma · 1744 days ago · 6 km deep · 24 km away
  56. 1.911 km NW of Perry, Oklahoma · 1742 days ago · 7 km deep · 95 km away
  57. 2.010 km WSW of Shamrock, Oklahoma · 1742 days ago · 8 km deep · 53 km away
  58. 1.510 km SSE of Dibble, Oklahoma · 1742 days ago · 7 km deep · 77 km away
  59. 2.14 km NE of Coyle, Oklahoma · 1742 days ago · 7 km deep · 49 km away
  60. 2.18 km NW of Prague, Oklahoma · 1740 days ago · 8 km deep · 32 km away

The first 60 of 71.

Before

  1. 1.811 km WSW of El Reno, Oklahoma · 1787 days ago · 6 km deep · 87 km away
  2. 1.611 km WSW of El Reno, Oklahoma · 1788 days ago · 6 km deep · 87 km away
  3. 1.63 km NE of Morrison, Oklahoma · 1789 days ago · 4 km deep · 87 km away
  4. 1.813 km WSW of El Reno, Oklahoma · 1789 days ago · 5 km deep · 88 km away · felt by 1
  5. 1.68 km E of Orlando, Oklahoma · 1790 days ago · 8 km deep · 68 km away
  6. 2.08 km E of Orlando, Oklahoma · 1791 days ago · 7 km deep · 68 km away
  7. 1.94 km W of Lucien, Oklahoma · 1793 days ago · 8 km deep · 89 km away
  8. 2.03 km SE of Carney, Oklahoma · 1794 days ago · 7 km deep · 30 km away
  9. 1.84 km W of Lucien, Oklahoma · 1794 days ago · 7 km deep · 88 km away
  10. 1.55 km N of Lamar, Oklahoma · 1796 days ago · 7 km deep · 100 km away
  11. 1.99 km ENE of Orlando, Oklahoma · 1800 days ago · 8 km deep · 74 km away
  12. 1.62 km ESE of Luther, Oklahoma · 1804 days ago · 7 km deep · 13 km away
  13. 1.68 km NNW of Coyle, Oklahoma · 1805 days ago · 7 km deep · 56 km away
  14. 1.59 km NNW of Coyle, Oklahoma · 1805 days ago · 7 km deep · 56 km away
  15. 1.63 km W of Lucien, Oklahoma · 1806 days ago · 8 km deep · 88 km away
  16. 2.36 km WNW of Prague, Oklahoma · 1807 days ago · 8 km deep · 33 km away
  17. 1.99 km NNW of Perry, Oklahoma · 1808 days ago · 7 km deep · 93 km away
  18. 1.65 km W of Yukon, Oklahoma · 1809 days ago · 4 km deep · 64 km away
  19. 2.62 km ESE of Luther, Oklahoma · 1810 days ago · 7 km deep · 13 km away · felt by 3
  20. 1.83 km E of Bradley, Oklahoma · 1811 days ago · 5 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021vjnf. Read Wed, Sep 23, 2026, 3:31 AM UTC.