Oklahoma earthquakes

M1.6 earthquake 7 km NNE of Ames, Oklahoma

A magnitude 1.6 earthquake struck 7 km NNE of Ames, Oklahoma on Mon, Dec 20, 2021, 2:26 AM CST (08:26 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.7 17 km SSE of Waynoka, 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
1.6 (ml), micro
Local time
UTC
2021-12-20 08:26:34 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
36.305° N, 98.159° 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
61°
Stations used
72

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 45 in the 30 days before it.

After

  1. 1.717 km SSE of Waynoka, Oklahoma · 1737 days ago · 8 km deep · 59 km away
  2. 1.916 km SE of Waynoka, Oklahoma · 1736 days ago · 8 km deep · 57 km away
  3. 1.921 km NE of Chester, Oklahoma · 1729 days ago · 6 km deep · 53 km away
  4. 2.96 km E of Manchester, Oklahoma · 1727 days ago · 5 km deep · 80 km away · felt by 1
  5. 2.010 km W of Lamont, Oklahoma · 1725 days ago · 7 km deep · 62 km away · felt by 1
  6. 1.910 km W of Lamont, Oklahoma · 1725 days ago · 7 km deep · 62 km away · felt by 1
  7. 1.710 km ESE of Chester, Oklahoma · 1724 days ago · 4 km deep · 60 km away
  8. 1.69 km W of Lamont, Oklahoma · 1722 days ago · 9 km deep · 62 km away
  9. 2.111 km WSW of Hunnewell, Kansas · 1722 days ago · 7 km deep · 92 km away · felt by 1
  10. 1.67 km E of Marshall, Oklahoma · 1721 days ago · 25 km deep · 58 km away
  11. 1.612 km WSW of Hunnewell, Kansas · 1720 days ago · 6 km deep · 91 km away
  12. 1.62 km NNW of Hunter, Oklahoma · 1713 days ago · 7 km deep · 53 km away · felt by 1
  13. 1.98 km WSW of Hunnewell, Kansas · 1713 days ago · 4 km deep · 96 km away · felt by 1
  14. 1.610 km ESE of Jefferson, Oklahoma · 1713 days ago · 8 km deep · 61 km away
  15. 1.64 km W of Lucien, Oklahoma · 1712 days ago · 4 km deep · 59 km away · felt by 1
  16. 1.93 km NNW of Covington, Oklahoma · 1712 days ago · 7 km deep · 50 km away
  17. 2.23 km NNW of Covington, Oklahoma · 1711 days ago · 6 km deep · 50 km away · felt by 3
  18. 1.97 km WSW of Aline, Oklahoma · 1711 days ago · 7 km deep · 38 km away
  19. 2.07 km E of Nescatunga, Oklahoma · 1711 days ago · 7 km deep · 51 km away · felt by 1
  20. 1.78 km SW of Waynoka, Oklahoma · 1710 days ago · 7 km deep · 76 km away
  21. 1.54 km NE of Cherokee, Oklahoma · 1709 days ago · 5 km deep · 54 km away
  22. 2.02 km E of Hennessey, Oklahoma · 1707 days ago · 7 km deep · 34 km away
  23. 2.710 km ESE of Jefferson, Oklahoma · 1706 days ago · 9 km deep · 62 km away · felt by 1
  24. 1.717 km SSE of Waynoka, Oklahoma · 1705 days ago · 8 km deep · 59 km away
  25. 2.614 km WSW of Kingfisher, Oklahoma · 1703 days ago · 8 km deep · 53 km away · felt by 1
  26. 1.910 km E of Chester, Oklahoma · 1702 days ago · 10 km deep · 59 km away
  27. 1.914 km W of Kingfisher, Oklahoma · 1702 days ago · 8 km deep · 52 km away
  28. 1.714 km WSW of Kingfisher, Oklahoma · 1702 days ago · 7 km deep · 53 km away
  29. 1.813 km S of Loyal, Oklahoma · 1702 days ago · 12 km deep · 51 km away
  30. 1.814 km W of Kingfisher, Oklahoma · 1702 days ago · 7 km deep · 52 km away
  31. 1.84 km NE of Cherokee, Oklahoma · 1702 days ago · 4 km deep · 55 km away
  32. 1.810 km W of Fairview, Oklahoma · 1699 days ago · 7 km deep · 40 km away
  33. 1.83 km S of Renfrow, Oklahoma · 1697 days ago · 6 km deep · 80 km away
  34. 1.99 km NE of Union City, Oklahoma · 1697 days ago · 8 km deep · 98 km away
  35. 1.89 km SW of Yukon, Oklahoma · 1696 days ago · 6 km deep · 99 km away · felt by 2
  36. 1.68 km SW of Yukon, Oklahoma · 1696 days ago · 5 km deep · 99 km away
  37. 1.66 km NW of Medford, Oklahoma · 1696 days ago · 8 km deep · 68 km away
  38. 4.57 km NW of Medford, Oklahoma · 1695 days ago · 8 km deep · 69 km away · felt by 4,769
  39. 1.76 km NW of Medford, Oklahoma · 1695 days ago · 8 km deep · 69 km away · felt by 96
  40. 2.46 km NW of Medford, Oklahoma · 1695 days ago · 8 km deep · 68 km away · felt by 91
  41. 1.55 km E of Hennessey, Oklahoma · 1695 days ago · 7 km deep · 37 km away · felt by 2
  42. 1.66 km NW of Medford, Oklahoma · 1695 days ago · 7 km deep · 68 km away
  43. 1.67 km NW of Medford, Oklahoma · 1694 days ago · 8 km deep · 68 km away
  44. 1.78 km SW of Yukon, Oklahoma · 1694 days ago · 5 km deep · 98 km away
  45. 1.68 km SW of Yukon, Oklahoma · 1694 days ago · 6 km deep · 98 km away
  46. 2.02 km E of Jefferson, Oklahoma · 1693 days ago · 23 km deep · 58 km away · felt by 1
  47. 1.88 km SW of Yukon, Oklahoma · 1693 days ago · 5 km deep · 99 km away
  48. 1.95 km E of Hennessey, Oklahoma · 1692 days ago · 6 km deep · 37 km away · felt by 1
  49. 2.52 km SSW of Cherokee, Oklahoma · 1691 days ago · 7 km deep · 51 km away · felt by 1
  50. 2.3Oklahoma · 1690 days ago · 7 km deep · 51 km away · felt by 1
  51. 1.77 km NW of Medford, Oklahoma · 1689 days ago · 7 km deep · 69 km away
  52. 2.55 km E of Hennessey, Oklahoma · 1688 days ago · 7 km deep · 37 km away · felt by 7
  53. 2.16 km NW of Medford, Oklahoma · 1688 days ago · 8 km deep · 69 km away
  54. 1.95 km NW of Ames, Oklahoma · 1688 days ago · 8 km deep · 6 km away · felt by 2
  55. 2.16 km NW of Medford, Oklahoma · 1687 days ago · 8 km deep · 69 km away
  56. 2.66 km NW of Medford, Oklahoma · 1687 days ago · 8 km deep · 69 km away · felt by 1
  57. 2.06 km NW of Medford, Oklahoma · 1686 days ago · 7 km deep · 70 km away
  58. 2.87 km NW of Medford, Oklahoma · 1686 days ago · 8 km deep · 70 km away · felt by 5
  59. 2.67 km NW of Medford, Oklahoma · 1685 days ago · 8 km deep · 69 km away · felt by 2
  60. 2.26 km NW of Medford, Oklahoma · 1685 days ago · 8 km deep · 69 km away

The first 60 of 71.

Before

  1. 1.717 km SSE of Waynoka, Oklahoma · 1739 days ago · 7 km deep · 59 km away
  2. 2.34 km NE of Coyle, Oklahoma · 1739 days ago · 7 km deep · 93 km away · felt by 2
  3. 1.72 km WNW of Crescent, Oklahoma · 1740 days ago · 8 km deep · 62 km away
  4. 2.110 km W of Lamont, Oklahoma · 1742 days ago · 7 km deep · 62 km away
  5. 2.14 km NE of Coyle, Oklahoma · 1742 days ago · 7 km deep · 93 km away
  6. 1.516 km SE of Waynoka, Oklahoma · 1742 days ago · 9 km deep · 55 km away
  7. 1.911 km NW of Perry, Oklahoma · 1742 days ago · 7 km deep · 72 km away
  8. 1.77 km E of Nescatunga, Oklahoma · 1745 days ago · 7 km deep · 51 km away
  9. 1.79 km W of Lamont, Oklahoma · 1746 days ago · 5 km deep · 62 km away
  10. 1.910 km W of Lamont, Oklahoma · 1746 days ago · 7 km deep · 62 km away
  11. 1.64 km SSE of El Reno, Oklahoma · 1747 days ago · 0 km deep · 92 km away
  12. 1.75 km E of Hennessey, Oklahoma · 1748 days ago · 6 km deep · 37 km away
  13. 1.84 km WSW of Aline, Oklahoma · 1748 days ago · 7 km deep · 36 km away
  14. 1.95 km E of Hennessey, Oklahoma · 1748 days ago · 7 km deep · 37 km away
  15. 2.0Oklahoma · 1748 days ago · 6 km deep · 37 km away
  16. 1.64 km NNW of Wakita, Oklahoma · 1749 days ago · 6 km deep · 71 km away
  17. 1.77 km SW of Goltry, Oklahoma · 1749 days ago · 7 km deep · 20 km away
  18. 1.55 km E of Hennessey, Oklahoma · 1750 days ago · 6 km deep · 37 km away
  19. 2.76 km WNW of Lucien, Oklahoma · 1751 days ago · 7 km deep · 57 km away · felt by 4
  20. 1.76 km W of Ringwood, Oklahoma · 1752 days ago · 6 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021yvph. Read Wed, Sep 23, 2026, 2:46 AM UTC.