Oklahoma earthquakes

M1.7 earthquake 7 km WSW of Custer City, Oklahoma

A magnitude 1.7 earthquake struck 7 km WSW of Custer City, Oklahoma on Sat, Feb 20, 2021, 11:44 AM CST (17:44 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M1.9 18 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
1.7 (ml), micro
Local time
UTC
2021-02-20 17:44:00 UTC
Depth
7.0 km (4.3 mi), shallow
Epicenter
35.651° N, 98.959° 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
±0.19
Depth from
Operator assigned
Station coverage gap
81°
Stations used
66

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 94 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.918 km SSE of Waynoka, Oklahoma · 2035 days ago · 7 km deep · 86 km away
  2. 1.714 km SSW of Loyal, Oklahoma · 2034 days ago · 6 km deep · 72 km away
  3. 1.64 km NNE of Cooperton, Oklahoma · 2034 days ago · 0 km deep · 83 km away
  4. 1.714 km SSW of Loyal, Oklahoma · 2034 days ago · 7 km deep · 72 km away
  5. 1.714 km SSW of Loyal, Oklahoma · 2033 days ago · 6 km deep · 72 km away
  6. 1.614 km SSW of Loyal, Oklahoma · 2033 days ago · 6 km deep · 73 km away
  7. 1.516 km SSW of Loyal, Oklahoma · 2032 days ago · 7 km deep · 71 km away
  8. 1.513 km SSW of Loyal, Oklahoma · 2031 days ago · 6 km deep · 73 km away
  9. 2.514 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away · felt by 12
  10. 2.014 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away
  11. 2.014 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away
  12. 1.614 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away
  13. 2.310 km WSW of Waynoka, Oklahoma · 2031 days ago · 7 km deep · 98 km away
  14. 1.714 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 73 km away
  15. 1.715 km SSW of Loyal, Oklahoma · 2031 days ago · 6 km deep · 72 km away
  16. 1.915 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away
  17. 1.914 km SSW of Loyal, Oklahoma · 2031 days ago · 6 km deep · 72 km away
  18. 1.914 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away
  19. 2.614 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away
  20. 2.214 km SSW of Loyal, Oklahoma · 2031 days ago · 6 km deep · 72 km away
  21. 1.614 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away
  22. 1.613 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 73 km away
  23. 2.014 km SSW of Loyal, Oklahoma · 2031 days ago · 7 km deep · 72 km away
  24. 1.614 km SSW of Loyal, Oklahoma · 2030 days ago · 7 km deep · 73 km away
  25. 2.216 km SSW of Loyal, Oklahoma · 2030 days ago · 8 km deep · 71 km away
  26. 2.015 km SSW of Loyal, Oklahoma · 2030 days ago · 4 km deep · 72 km away
  27. 1.714 km SSW of Loyal, Oklahoma · 2030 days ago · 7 km deep · 72 km away
  28. 2.415 km SSW of Loyal, Oklahoma · 2030 days ago · 7 km deep · 72 km away
  29. 1.513 km SSW of Loyal, Oklahoma · 2030 days ago · 7 km deep · 73 km away
  30. 1.713 km SSW of Loyal, Oklahoma · 2030 days ago · 4 km deep · 74 km away
  31. 1.914 km SSW of Loyal, Oklahoma · 2030 days ago · 7 km deep · 72 km away
  32. 1.615 km SSW of Loyal, Oklahoma · 2030 days ago · 7 km deep · 72 km away · felt by 1
  33. 1.514 km SSW of Loyal, Oklahoma · 2029 days ago · 6 km deep · 72 km away
  34. 1.614 km SSW of Loyal, Oklahoma · 2029 days ago · 6 km deep · 72 km away
  35. 1.515 km SSW of Loyal, Oklahoma · 2028 days ago · 6 km deep · 72 km away
  36. 1.916 km WNW of Longdale, Oklahoma · 2028 days ago · 7 km deep · 62 km away
  37. 1.714 km SSW of Loyal, Oklahoma · 2028 days ago · 7 km deep · 72 km away
  38. 1.99 km WSW of Waynoka, Oklahoma · 2028 days ago · 6 km deep · 98 km away
  39. 1.99 km WSW of Waynoka, Oklahoma · 2028 days ago · 6 km deep · 99 km away
  40. 2.317 km ESE of Waynoka, Oklahoma · 2027 days ago · 6 km deep · 97 km away
  41. 2.05 km N of Ames, Oklahoma · 2027 days ago · 7 km deep · 100 km away
  42. 1.85 km N of Ames, Oklahoma · 2027 days ago · 8 km deep · 100 km away
  43. 1.65 km N of Ames, Oklahoma · 2026 days ago · 8 km deep · 100 km away
  44. 2.05 km N of Ames, Oklahoma · 2026 days ago · 7 km deep · 100 km away
  45. 2.19 km SW of Waynoka, Oklahoma · 2024 days ago · 7 km deep · 98 km away
  46. 2.15 km N of Ames, Oklahoma · 2024 days ago · 8 km deep · 100 km away · felt by 2
  47. 1.59 km NNE of Quinlan, Oklahoma · 2020 days ago · 7 km deep · 98 km away
  48. 1.710 km NNE of Quinlan, Oklahoma · 2020 days ago · 8 km deep · 98 km away
  49. 2.410 km NNE of Quinlan, Oklahoma · 2020 days ago · 8 km deep · 98 km away
  50. 1.510 km NNE of Quinlan, Oklahoma · 2020 days ago · 7 km deep · 98 km away
  51. 1.510 km NE of Quinlan, Oklahoma · 2020 days ago · 7 km deep · 98 km away
  52. 1.68 km NW of Ames, Oklahoma · 2020 days ago · 6 km deep · 96 km away
  53. 1.69 km SW of Waynoka, Oklahoma · 2019 days ago · 7 km deep · 98 km away
  54. 2.48 km SE of Loyal, Oklahoma · 2018 days ago · 6 km deep · 87 km away
  55. 2.05 km N of Ames, Oklahoma · 2017 days ago · 8 km deep · 100 km away · felt by 1
  56. 1.914 km SSE of Waynoka, Oklahoma · 2013 days ago · 6 km deep · 92 km away
  57. 1.811 km S of Ames, Oklahoma · 2013 days ago · 5 km deep · 89 km away
  58. 2.23 km SSE of Union City, Oklahoma · 2013 days ago · 6 km deep · 99 km away · felt by 3
  59. 1.73 km SE of Union City, Oklahoma · 2012 days ago · 4 km deep · 99 km away · felt by 1
  60. 1.93 km SSE of Union City, Oklahoma · 2012 days ago · 7 km deep · 99 km away · felt by 1

The first 60 of 94.

Before

  1. 1.717 km SE of Waynoka, Oklahoma · 2041 days ago · 7 km deep · 94 km away
  2. 1.59 km NNE of Quinlan, Oklahoma · 2045 days ago · 8 km deep · 98 km away
  3. 2.09 km NNE of Quinlan, Oklahoma · 2049 days ago · 7 km deep · 97 km away
  4. 2.02 km ESE of Ames, Oklahoma · 2049 days ago · 8 km deep · 97 km away
  5. 1.62 km SE of Ames, Oklahoma · 2051 days ago · 7 km deep · 97 km away
  6. 1.710 km NNE of Quinlan, Oklahoma · 2052 days ago · 8 km deep · 98 km away
  7. 1.713 km SSW of Loyal, Oklahoma · 2053 days ago · 7 km deep · 73 km away
  8. 1.717 km SSE of Waynoka, Oklahoma · 2054 days ago · 8 km deep · 90 km away
  9. 1.513 km SSW of Loyal, Oklahoma · 2054 days ago · 7 km deep · 73 km away
  10. 1.617 km SSE of Waynoka, Oklahoma · 2055 days ago · 8 km deep · 90 km away
  11. 1.79 km NNE of Quinlan, Oklahoma · 2056 days ago · 8 km deep · 97 km away
  12. 1.69 km NNE of Quinlan, Oklahoma · 2056 days ago · 8 km deep · 97 km away
  13. 1.69 km NNE of Quinlan, Oklahoma · 2056 days ago · 8 km deep · 98 km away
  14. 1.917 km SE of Waynoka, Oklahoma · 2058 days ago · 8 km deep · 96 km away
  15. 2.311 km W of Hennessey, Oklahoma · 2058 days ago · 6 km deep · 98 km away
  16. 1.79 km NNE of Quinlan, Oklahoma · 2059 days ago · 8 km deep · 98 km away
  17. 2.410 km WSW of Waynoka, Oklahoma · 2059 days ago · 7 km deep · 98 km away
  18. 1.56 km ESE of Mooreland, Oklahoma · 2060 days ago · 6 km deep · 87 km away
  19. 1.87 km S of Putnam, Oklahoma · 2062 days ago · 7 km deep · 15 km away
  20. 2.316 km ENE of Binger, Oklahoma · 2065 days ago · 7 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021dosg. Read Tue, Sep 22, 2026, 9:27 PM UTC.