Oklahoma earthquakes

M2.1 earthquake 7 km S of Byron, Oklahoma

A magnitude 2.1 earthquake struck 7 km S of Byron, Oklahoma on Sat, Apr 17, 2021, 11:44 AM CDT (16:44 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.5 9 km NNE of Quinlan, 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
2.1 (ml), micro
Local time
UTC
2021-04-17 16:44:38 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
36.833° N, 98.278° 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
94°
Stations used
94

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 1.65 km SW of Manchester, Oklahoma · 1987 days ago · 7 km deep · 23 km away
  2. 1.810 km NW of Perry, Oklahoma · 1987 days ago · 7 km deep · 97 km away
  3. 1.89 km NNW of Perry, Oklahoma · 1984 days ago · 6 km deep · 98 km away
  4. 2.010 km NNW of Perry, Oklahoma · 1984 days ago · 6 km deep · 98 km away
  5. 2.39 km NNW of Perry, Oklahoma · 1984 days ago · 6 km deep · 98 km away
  6. 1.617 km SE of Waynoka, Oklahoma · 1982 days ago · 8 km deep · 55 km away
  7. 1.517 km SE of Waynoka, Oklahoma · 1982 days ago · 9 km deep · 55 km away
  8. 2.310 km NW of Perry, Oklahoma · 1981 days ago · 8 km deep · 97 km away
  9. 2.010 km SW of Hardtner, Kansas · 1979 days ago · 7 km deep · 41 km away
  10. 2.34 km W of Lucien, Oklahoma · 1977 days ago · 8 km deep · 92 km away
  11. 1.64 km W of Lucien, Oklahoma · 1977 days ago · 7 km deep · 92 km away
  12. 2.310 km W of Lamont, Oklahoma · 1974 days ago · 8 km deep · 56 km away
  13. 1.54 km WNW of Dover, Oklahoma · 1973 days ago · 5 km deep · 98 km away
  14. 1.64 km W of Dover, Oklahoma · 1973 days ago · 5 km deep · 98 km away · felt by 1
  15. 1.84 km W of Dover, Oklahoma · 1973 days ago · 4 km deep · 98 km away
  16. 2.23 km SE of Meno, Oklahoma · 1973 days ago · 7 km deep · 54 km away
  17. 1.84 km W of Dover, Oklahoma · 1973 days ago · 5 km deep · 98 km away
  18. 2.14 km W of Dover, Oklahoma · 1973 days ago · 5 km deep · 98 km away · felt by 1
  19. 1.74 km W of Dover, Oklahoma · 1973 days ago · 5 km deep · 98 km away
  20. 1.95 km W of Lucien, Oklahoma · 1973 days ago · 7 km deep · 92 km away
  21. 2.04 km W of Dover, Oklahoma · 1972 days ago · 5 km deep · 98 km away
  22. 1.510 km ESE of Chester, Oklahoma · 1972 days ago · 5 km deep · 86 km away
  23. 1.810 km NE of Quinlan, Oklahoma · 1970 days ago · 7 km deep · 71 km away
  24. 1.72 km SE of Aline, Oklahoma · 1968 days ago · 8 km deep · 40 km away
  25. 1.515 km W of Canton, Oklahoma · 1967 days ago · 17 km deep · 95 km away
  26. 1.610 km NNW of Perry, Oklahoma · 1966 days ago · 6 km deep · 98 km away
  27. 2.06 km WSW of Isabella, Oklahoma · 1964 days ago · 6 km deep · 71 km away
  28. 2.020 km WNW of Freedom, Oklahoma · 1962 days ago · 7 km deep · 92 km away
  29. 2.210 km WSW of Waynoka, Oklahoma · 1961 days ago · 7 km deep · 71 km away
  30. 1.817 km SE of Waynoka, Oklahoma · 1961 days ago · 7 km deep · 61 km away
  31. 1.79 km NNE of Quinlan, Oklahoma · 1961 days ago · 8 km deep · 71 km away
  32. 2.36 km NNE of Loyal, Oklahoma · 1960 days ago · 6 km deep · 91 km away
  33. 1.76 km NNE of Loyal, Oklahoma · 1958 days ago · 6 km deep · 91 km away
  34. 2.17 km ESE of Ames, Oklahoma · 1957 days ago · 8 km deep · 70 km away
  35. 1.813 km NW of Alva, Oklahoma · 1956 days ago · 7 km deep · 43 km away
  36. 1.99 km NW of Perry, Oklahoma · 1956 days ago · 6 km deep · 98 km away
  37. 1.95 km ESE of Jefferson, Oklahoma · 1955 days ago · 8 km deep · 50 km away
  38. 1.56 km N of Ames, Oklahoma · 1955 days ago · 7 km deep · 60 km away
  39. 1.67 km NNE of Loyal, Oklahoma · 1954 days ago · 5 km deep · 91 km away
  40. 1.99 km NNE of Quinlan, Oklahoma · 1952 days ago · 7 km deep · 72 km away
  41. 1.78 km NNE of Quinlan, Oklahoma · 1952 days ago · 7 km deep · 72 km away
  42. 1.79 km NNE of Quinlan, Oklahoma · 1952 days ago · 6 km deep · 72 km away
  43. 1.79 km NNE of Quinlan, Oklahoma · 1952 days ago · 7 km deep · 72 km away
  44. 2.39 km NNE of Quinlan, Oklahoma · 1952 days ago · 7 km deep · 72 km away
  45. 1.89 km NNE of Quinlan, Oklahoma · 1952 days ago · 8 km deep · 72 km away
  46. 1.99 km NNE of Quinlan, Oklahoma · 1951 days ago · 7 km deep · 72 km away
  47. 2.010 km NNE of Quinlan, Oklahoma · 1951 days ago · 7 km deep · 71 km away
  48. 1.69 km NNE of Quinlan, Oklahoma · 1951 days ago · 7 km deep · 72 km away
  49. 1.69 km NNE of Quinlan, Oklahoma · 1951 days ago · 7 km deep · 73 km away
  50. 1.69 km NNE of Quinlan, Oklahoma · 1951 days ago · 7 km deep · 72 km away
  51. 2.49 km NNE of Quinlan, Oklahoma · 1951 days ago · 8 km deep · 72 km away
  52. 1.98 km NNE of Quinlan, Oklahoma · 1950 days ago · 8 km deep · 73 km away
  53. 2.09 km NNE of Quinlan, Oklahoma · 1950 days ago · 7 km deep · 72 km away
  54. 1.79 km NNE of Quinlan, Oklahoma · 1950 days ago · 7 km deep · 72 km away
  55. 1.59 km NNE of Quinlan, Oklahoma · 1950 days ago · 7 km deep · 72 km away
  56. 2.39 km NNE of Quinlan, Oklahoma · 1950 days ago · 7 km deep · 72 km away
  57. 2.09 km NNE of Quinlan, Oklahoma · 1950 days ago · 7 km deep · 72 km away
  58. 1.68 km NNE of Quinlan, Oklahoma · 1950 days ago · 7 km deep · 73 km away
  59. 1.69 km NNE of Quinlan, Oklahoma · 1949 days ago · 7 km deep · 72 km away
  60. 2.39 km NNE of Quinlan, Oklahoma · 1949 days ago · 7 km deep · 73 km away

The first 60 of 106.

Before

  1. 1.910 km ESE of Jefferson, Oklahoma · 1992 days ago · 8 km deep · 55 km away
  2. 1.910 km W of Lamont, Oklahoma · 1992 days ago · 5 km deep · 56 km away
  3. 1.910 km W of Lamont, Oklahoma · 1992 days ago · 6 km deep · 56 km away
  4. 1.510 km ESE of Jefferson, Oklahoma · 1992 days ago · 7 km deep · 56 km away
  5. 2.010 km ESE of Jefferson, Oklahoma · 1992 days ago · 5 km deep · 56 km away
  6. 1.56 km SW of Manchester, Oklahoma · 1992 days ago · 5 km deep · 22 km away
  7. 1.59 km NNE of Quinlan, Oklahoma · 1994 days ago · 8 km deep · 72 km away
  8. 1.86 km NW of Lamont, Oklahoma · 1994 days ago · 8 km deep · 61 km away
  9. 3.05 km SW of Manchester, Oklahoma · 1994 days ago · 9 km deep · 22 km away
  10. 1.616 km SE of Waynoka, Oklahoma · 1995 days ago · 9 km deep · 60 km away
  11. 1.910 km ESE of Jefferson, Oklahoma · 1996 days ago · 7 km deep · 55 km away
  12. 2.610 km NW of Perry, Oklahoma · 1996 days ago · 7 km deep · 97 km away · felt by 3
  13. 2.65 km N of Ames, Oklahoma · 1997 days ago · 8 km deep · 60 km away
  14. 1.810 km NNE of Quinlan, Oklahoma · 2002 days ago · 8 km deep · 71 km away
  15. 1.69 km NNE of Quinlan, Oklahoma · 2003 days ago · 8 km deep · 72 km away
  16. 1.611 km NNW of Medford, Oklahoma · 2004 days ago · 8 km deep · 44 km away · felt by 1
  17. 1.74 km S of Avard, Oklahoma · 2005 days ago · 6 km deep · 50 km away
  18. 1.83 km SE of Marshall, Oklahoma · 2007 days ago · 6 km deep · 99 km away
  19. 1.76 km NNE of Loyal, Oklahoma · 2007 days ago · 6 km deep · 91 km away
  20. 2.15 km N of Ames, Oklahoma · 2012 days ago · 8 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021hmym. Read Wed, Sep 30, 2026, 2:09 PM UTC.