Oklahoma earthquakes

M1.8 earthquake 8 km NE of Alex, Oklahoma

A magnitude 1.8 earthquake struck 8 km NE of Alex, Oklahoma on Wed, Mar 24, 2021, 5:23 PM CDT (22:23 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M1.9 9 km SE of Ratliff City, Oklahoma. This one was a foreshock.

Alex 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
1.8 (ml), micro
Local time
UTC
2021-03-24 22:23:09 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
34.966° N, 97.712° 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
±0.32
Station coverage gap
62°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 156 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 1.99 km SE of Ratliff City, Oklahoma · 2008 days ago · 5 km deep · 68 km away
  2. 1.79 km SE of Ratliff City, Oklahoma · 2007 days ago · 6 km deep · 69 km away
  3. 1.810 km SE of Ratliff City, Oklahoma · 2007 days ago · 5 km deep · 70 km away
  4. 1.510 km SE of Ratliff City, Oklahoma · 2007 days ago · 6 km deep · 70 km away
  5. 1.55 km W of Arcadia, Oklahoma · 2007 days ago · 7 km deep · 83 km away
  6. 1.510 km SE of Ratliff City, Oklahoma · 2007 days ago · 5 km deep · 69 km away
  7. 1.54 km SSE of Union City, Oklahoma · 2006 days ago · 7 km deep · 47 km away · felt by 1
  8. 1.614 km SE of Ratliff City, Oklahoma · 2006 days ago · 6 km deep · 73 km away
  9. 2.43 km NNE of Minco, Oklahoma · 2006 days ago · 8 km deep · 47 km away · felt by 2
  10. 1.710 km SE of Ratliff City, Oklahoma · 2006 days ago · 5 km deep · 70 km away
  11. 1.911 km SE of Ratliff City, Oklahoma · 2006 days ago · 6 km deep · 71 km away
  12. 1.610 km SE of Ratliff City, Oklahoma · 2006 days ago · 5 km deep · 70 km away
  13. 2.54 km NNE of Minco, Oklahoma · 2006 days ago · 6 km deep · 47 km away · felt by 5
  14. 1.54 km SSE of Union City, Oklahoma · 2006 days ago · 4 km deep · 47 km away
  15. 1.84 km SSE of Union City, Oklahoma · 2006 days ago · 5 km deep · 47 km away
  16. 1.910 km ESE of Ratliff City, Oklahoma · 2005 days ago · 5 km deep · 69 km away
  17. 1.64 km SSE of Union City, Oklahoma · 2005 days ago · 4 km deep · 48 km away · felt by 1
  18. 1.64 km NNE of Minco, Oklahoma · 2005 days ago · 6 km deep · 47 km away
  19. 1.910 km SE of Ratliff City, Oklahoma · 2005 days ago · 6 km deep · 70 km away
  20. 1.812 km SE of Ratliff City, Oklahoma · 2005 days ago · 6 km deep · 72 km away
  21. 1.911 km SE of Ratliff City, Oklahoma · 2005 days ago · 5 km deep · 71 km away
  22. 2.54 km N of Minco, Oklahoma · 2005 days ago · 7 km deep · 47 km away · felt by 2
  23. 1.94 km NNE of Minco, Oklahoma · 2005 days ago · 7 km deep · 47 km away
  24. 2.17 km SE of Luther, Oklahoma · 2005 days ago · 7 km deep · 90 km away
  25. 2.113 km SE of Ratliff City, Oklahoma · 2005 days ago · 6 km deep · 73 km away
  26. 2.010 km SE of Ratliff City, Oklahoma · 2004 days ago · 5 km deep · 69 km away
  27. 1.611 km SE of Ratliff City, Oklahoma · 2004 days ago · 7 km deep · 71 km away
  28. 1.63 km N of Minco, Oklahoma · 2004 days ago · 7 km deep · 47 km away
  29. 2.23 km N of Minco, Oklahoma · 2004 days ago · 7 km deep · 47 km away
  30. 2.211 km SE of Ratliff City, Oklahoma · 2004 days ago · 4 km deep · 70 km away
  31. 2.111 km SE of Ratliff City, Oklahoma · 2004 days ago · 5 km deep · 70 km away
  32. 2.310 km SSE of Tatums, Oklahoma · 2003 days ago · 4 km deep · 68 km away
  33. 1.910 km SE of Ratliff City, Oklahoma · 2002 days ago · 6 km deep · 70 km away
  34. 1.57 km SE of Luther, Oklahoma · 2002 days ago · 7 km deep · 90 km away
  35. 2.07 km SW of Ratliff City, Oklahoma · 2002 days ago · 12 km deep · 63 km away
  36. 2.06 km SW of Ratliff City, Oklahoma · 2002 days ago · 14 km deep · 63 km away
  37. 1.514 km SE of Ratliff City, Oklahoma · 2002 days ago · 5 km deep · 74 km away
  38. 1.67 km SW of Ratliff City, Oklahoma · 2002 days ago · 15 km deep · 64 km away
  39. 1.711 km SSE of Tatums, Oklahoma · 2002 days ago · 6 km deep · 70 km away
  40. 1.68 km SE of Ratliff City, Oklahoma · 2001 days ago · 4 km deep · 68 km away
  41. 1.79 km SE of Ratliff City, Oklahoma · 2001 days ago · 5 km deep · 69 km away
  42. 1.68 km SE of Ratliff City, Oklahoma · 2001 days ago · 5 km deep · 67 km away
  43. 1.914 km SE of Ratliff City, Oklahoma · 2001 days ago · 6 km deep · 74 km away
  44. 2.77 km SW of Ratliff City, Oklahoma · 2000 days ago · 14 km deep · 63 km away · felt by 3
  45. 1.811 km SE of Ratliff City, Oklahoma · 2000 days ago · 5 km deep · 71 km away
  46. 1.510 km SE of Ratliff City, Oklahoma · 2000 days ago · 6 km deep · 70 km away
  47. 1.710 km SE of Ratliff City, Oklahoma · 1999 days ago · 5 km deep · 70 km away
  48. 2.710 km SE of Ratliff City, Oklahoma · 1999 days ago · 6 km deep · 70 km away · felt by 1
  49. 1.710 km SSE of Tatums, Oklahoma · 1998 days ago · 4 km deep · 69 km away
  50. 2.09 km SE of Ratliff City, Oklahoma · 1998 days ago · 5 km deep · 69 km away
  51. 1.912 km SE of Ratliff City, Oklahoma · 1998 days ago · 5 km deep · 72 km away
  52. 1.710 km SE of Ratliff City, Oklahoma · 1997 days ago · 5 km deep · 69 km away
  53. 1.99 km SE of Ratliff City, Oklahoma · 1996 days ago · 5 km deep · 69 km away
  54. 2.73 km SSE of Union City, Oklahoma · 1995 days ago · 7 km deep · 49 km away · felt by 17
  55. 1.57 km SW of Dibble, Oklahoma · 1995 days ago · 9 km deep · 3 km away
  56. 1.811 km SE of Ratliff City, Oklahoma · 1995 days ago · 5 km deep · 71 km away
  57. 1.814 km NNE of Healdton, Oklahoma · 1995 days ago · 6 km deep · 75 km away
  58. 1.69 km SE of Ratliff City, Oklahoma · 1995 days ago · 6 km deep · 69 km away
  59. 3.22 km SE of Union City, Oklahoma · 1994 days ago · 6 km deep · 50 km away · felt by 21
  60. 1.62 km SE of Union City, Oklahoma · 1994 days ago · 7 km deep · 49 km away

The first 60 of 156.

Before

  1. 2.113 km SE of Ratliff City, Oklahoma · 2008 days ago · 5 km deep · 71 km away
  2. 2.39 km SE of Ratliff City, Oklahoma · 2008 days ago · 6 km deep · 69 km away
  3. 2.311 km SE of Ratliff City, Oklahoma · 2008 days ago · 5 km deep · 71 km away
  4. 2.24 km SSE of Union City, Oklahoma · 2008 days ago · 6 km deep · 48 km away · felt by 4
  5. 1.811 km SE of Ratliff City, Oklahoma · 2008 days ago · 4 km deep · 70 km away
  6. 2.09 km SE of Ratliff City, Oklahoma · 2008 days ago · 5 km deep · 69 km away
  7. 1.79 km SE of Ratliff City, Oklahoma · 2008 days ago · 5 km deep · 69 km away
  8. 1.84 km SSE of Union City, Oklahoma · 2008 days ago · 6 km deep · 47 km away · felt by 1
  9. 2.210 km SE of Ratliff City, Oklahoma · 2008 days ago · 5 km deep · 70 km away
  10. 1.810 km SE of Ratliff City, Oklahoma · 2008 days ago · 5 km deep · 70 km away
  11. 1.61 km NE of Minco, Oklahoma · 2008 days ago · 8 km deep · 44 km away
  12. 1.72 km ENE of Minco, Oklahoma · 2008 days ago · 6 km deep · 44 km away
  13. 1.58 km SE of Ratliff City, Oklahoma · 2008 days ago · 6 km deep · 67 km away
  14. 1.69 km SE of Ratliff City, Oklahoma · 2009 days ago · 6 km deep · 69 km away
  15. 1.911 km SE of Ratliff City, Oklahoma · 2009 days ago · 4 km deep · 70 km away
  16. 1.910 km SE of Ratliff City, Oklahoma · 2009 days ago · 5 km deep · 70 km away
  17. 2.610 km SE of Ratliff City, Oklahoma · 2009 days ago · 6 km deep · 70 km away
  18. 1.912 km SE of Ratliff City, Oklahoma · 2009 days ago · 4 km deep · 71 km away
  19. 2.114 km SE of Ratliff City, Oklahoma · 2009 days ago · 6 km deep · 74 km away
  20. 1.711 km SE of Ratliff City, Oklahoma · 2009 days ago · 4 km deep · 70 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021fvno. Read Tue, Sep 22, 2026, 3:47 PM UTC.