Oklahoma earthquakes

M1.9 earthquake 5 km E of Hennessey, Oklahoma

A magnitude 1.9 earthquake struck 5 km E of Hennessey, Oklahoma on Thu, Dec 9, 2021, 2:01 PM CST (20:01 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.1 4 km NE of Coyle, Oklahoma. This one was a foreshock.

Hennessey 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
1.9 (ml), micro
Local time
UTC
2021-12-09 20:01:09 UTC
Depth
6.7 km (4.2 mi), shallow
Epicenter
36.105° N, 97.834° 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
±0.16
Station coverage gap
35°
Stations used
97

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 1.84 km WSW of Aline, Oklahoma · 1748 days ago · 7 km deep · 73 km away
  2. 1.75 km E of Hennessey, Oklahoma · 1748 days ago · 6 km deep · 0 km away
  3. 1.64 km SSE of El Reno, Oklahoma · 1746 days ago · 0 km deep · 68 km away
  4. 1.910 km W of Lamont, Oklahoma · 1746 days ago · 7 km deep · 68 km away
  5. 1.79 km W of Lamont, Oklahoma · 1746 days ago · 5 km deep · 67 km away
  6. 1.77 km E of Nescatunga, Oklahoma · 1745 days ago · 7 km deep · 76 km away
  7. 1.911 km NW of Perry, Oklahoma · 1742 days ago · 7 km deep · 52 km away
  8. 1.516 km SE of Waynoka, Oklahoma · 1742 days ago · 9 km deep · 91 km away
  9. 2.14 km NE of Coyle, Oklahoma · 1742 days ago · 7 km deep · 59 km away
  10. 2.110 km W of Lamont, Oklahoma · 1741 days ago · 7 km deep · 68 km away
  11. 1.72 km WNW of Crescent, Oklahoma · 1740 days ago · 8 km deep · 25 km away
  12. 2.34 km NE of Coyle, Oklahoma · 1739 days ago · 7 km deep · 59 km away · felt by 2
  13. 1.717 km SSE of Waynoka, Oklahoma · 1739 days ago · 7 km deep · 94 km away
  14. 1.67 km NNE of Ames, Oklahoma · 1738 days ago · 8 km deep · 37 km away
  15. 1.717 km SSE of Waynoka, Oklahoma · 1737 days ago · 8 km deep · 94 km away
  16. 1.916 km SE of Waynoka, Oklahoma · 1736 days ago · 8 km deep · 92 km away
  17. 1.921 km NE of Chester, Oklahoma · 1729 days ago · 6 km deep · 86 km away
  18. 1.71 km W of Bridge Creek, Oklahoma · 1729 days ago · 5 km deep · 97 km away · felt by 6
  19. 2.01 km WNW of Bridge Creek, Oklahoma · 1726 days ago · 5 km deep · 97 km away · felt by 8
  20. 2.010 km W of Lamont, Oklahoma · 1725 days ago · 7 km deep · 68 km away · felt by 1
  21. 1.910 km W of Lamont, Oklahoma · 1725 days ago · 7 km deep · 68 km away · felt by 1
  22. 1.710 km ESE of Chester, Oklahoma · 1724 days ago · 4 km deep · 88 km away
  23. 1.69 km W of Lamont, Oklahoma · 1722 days ago · 9 km deep · 68 km away
  24. 2.111 km WSW of Hunnewell, Kansas · 1721 days ago · 7 km deep · 98 km away · felt by 1
  25. 1.67 km E of Marshall, Oklahoma · 1720 days ago · 25 km deep · 27 km away
  26. 1.612 km WSW of Hunnewell, Kansas · 1720 days ago · 6 km deep · 98 km away
  27. 1.62 km NNW of Hunter, Oklahoma · 1713 days ago · 7 km deep · 55 km away · felt by 1
  28. 1.610 km ESE of Jefferson, Oklahoma · 1713 days ago · 8 km deep · 68 km away
  29. 1.64 km W of Lucien, Oklahoma · 1712 days ago · 4 km deep · 35 km away · felt by 1
  30. 1.93 km NNW of Covington, Oklahoma · 1712 days ago · 7 km deep · 33 km away
  31. 2.23 km NNW of Covington, Oklahoma · 1711 days ago · 6 km deep · 33 km away · felt by 3
  32. 1.97 km WSW of Aline, Oklahoma · 1711 days ago · 7 km deep · 74 km away
  33. 2.07 km E of Nescatunga, Oklahoma · 1710 days ago · 7 km deep · 76 km away · felt by 1
  34. 1.54 km NE of Cherokee, Oklahoma · 1709 days ago · 5 km deep · 86 km away
  35. 2.02 km E of Hennessey, Oklahoma · 1706 days ago · 7 km deep · 3 km away
  36. 2.710 km ESE of Jefferson, Oklahoma · 1705 days ago · 9 km deep · 68 km away · felt by 1
  37. 1.717 km SSE of Waynoka, Oklahoma · 1704 days ago · 8 km deep · 94 km away
  38. 2.614 km WSW of Kingfisher, Oklahoma · 1702 days ago · 8 km deep · 38 km away · felt by 1
  39. 1.910 km E of Chester, Oklahoma · 1702 days ago · 10 km deep · 88 km away
  40. 1.914 km W of Kingfisher, Oklahoma · 1702 days ago · 8 km deep · 37 km away
  41. 1.714 km WSW of Kingfisher, Oklahoma · 1702 days ago · 7 km deep · 38 km away
  42. 1.813 km S of Loyal, Oklahoma · 1702 days ago · 12 km deep · 37 km away
  43. 1.814 km W of Kingfisher, Oklahoma · 1702 days ago · 7 km deep · 37 km away
  44. 1.84 km NE of Cherokee, Oklahoma · 1702 days ago · 4 km deep · 87 km away
  45. 1.810 km W of Fairview, Oklahoma · 1699 days ago · 7 km deep · 71 km away
  46. 1.83 km S of Renfrow, Oklahoma · 1697 days ago · 6 km deep · 90 km away
  47. 1.99 km NE of Union City, Oklahoma · 1697 days ago · 8 km deep · 73 km away
  48. 1.69 km SW of Yukon, Oklahoma · 1696 days ago · 7 km deep · 73 km away
  49. 1.89 km SW of Yukon, Oklahoma · 1695 days ago · 6 km deep · 73 km away · felt by 2
  50. 1.68 km SW of Yukon, Oklahoma · 1695 days ago · 5 km deep · 72 km away
  51. 1.66 km NW of Medford, Oklahoma · 1695 days ago · 8 km deep · 82 km away
  52. 4.57 km NW of Medford, Oklahoma · 1695 days ago · 8 km deep · 83 km away · felt by 4,769
  53. 1.76 km NW of Medford, Oklahoma · 1695 days ago · 8 km deep · 83 km away · felt by 96
  54. 2.46 km NW of Medford, Oklahoma · 1695 days ago · 8 km deep · 82 km away · felt by 91
  55. 1.55 km E of Hennessey, Oklahoma · 1695 days ago · 7 km deep · 0 km away · felt by 2
  56. 1.66 km NW of Medford, Oklahoma · 1695 days ago · 7 km deep · 82 km away
  57. 1.67 km NW of Medford, Oklahoma · 1693 days ago · 8 km deep · 83 km away
  58. 1.78 km SW of Yukon, Oklahoma · 1693 days ago · 5 km deep · 72 km away
  59. 1.68 km SW of Yukon, Oklahoma · 1693 days ago · 6 km deep · 72 km away
  60. 2.02 km E of Jefferson, Oklahoma · 1693 days ago · 23 km deep · 69 km away · felt by 1

The first 60 of 67.

Before

  1. 2.0Oklahoma · 1748 days ago · 6 km deep · 0 km away
  2. 1.64 km NNW of Wakita, Oklahoma · 1748 days ago · 6 km deep · 91 km away
  3. 1.77 km SW of Goltry, Oklahoma · 1749 days ago · 7 km deep · 53 km away
  4. 1.55 km E of Hennessey, Oklahoma · 1750 days ago · 6 km deep · 0 km away
  5. 2.76 km WNW of Lucien, Oklahoma · 1751 days ago · 7 km deep · 35 km away · felt by 4
  6. 1.76 km W of Ringwood, Oklahoma · 1751 days ago · 6 km deep · 53 km away
  7. 2.37 km ENE of Nescatunga, Oklahoma · 1752 days ago · 7 km deep · 77 km away · felt by 1
  8. 1.57 km NNE of Union City, Oklahoma · 1753 days ago · 5 km deep · 73 km away
  9. 1.61 km SW of Bridge Creek, Oklahoma · 1754 days ago · 4 km deep · 98 km away · felt by 2
  10. 1.61 km W of Loyal, Oklahoma · 1755 days ago · 7 km deep · 32 km away
  11. 1.99 km NNW of Perry, Oklahoma · 1757 days ago · 6 km deep · 52 km away
  12. 1.916 km SSE of Waynoka, Oklahoma · 1758 days ago · 5 km deep · 94 km away · felt by 1
  13. 1.816 km SSE of Waynoka, Oklahoma · 1758 days ago · 6 km deep · 94 km away
  14. 2.215 km SSE of Waynoka, Oklahoma · 1758 days ago · 6 km deep · 94 km away
  15. 2.515 km SSE of Waynoka, Oklahoma · 1758 days ago · 6 km deep · 94 km away
  16. 2.45 km SW of Union City, Oklahoma · 1758 days ago · 7 km deep · 84 km away · felt by 3
  17. 1.76 km NW of Minco, Oklahoma · 1758 days ago · 7 km deep · 85 km away
  18. 1.95 km NW of Minco, Oklahoma · 1758 days ago · 7 km deep · 85 km away · felt by 5
  19. 2.110 km W of Lamont, Oklahoma · 1759 days ago · 8 km deep · 68 km away · felt by 3
  20. 1.810 km NNW of Perry, Oklahoma · 1760 days ago · 6 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021ycjr. Read Tue, Sep 22, 2026, 9:42 PM UTC.