Oklahoma earthquakes

M1.8 earthquake 14 km NNE of Healdton, Oklahoma

A magnitude 1.8 earthquake struck 14 km NNE of Healdton, Oklahoma on Tue, Apr 6, 2021, 10:22 AM CDT (15:22 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.5 8 km SW of Dibble, Oklahoma. This one was a foreshock.

Healdton 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
2021-04-06 15:22:17 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.340° N, 97.407° 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
±0.15
Station coverage gap
244°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 161 in the 30 days before it.

After

  1. 1.69 km SE of Ratliff City, Oklahoma · 2001 days ago · 6 km deep · 6 km away
  2. 2.07 km ESE of Ratliff City, Oklahoma · 2000 days ago · 6 km deep · 9 km away
  3. 1.69 km SE of Ratliff City, Oklahoma · 1999 days ago · 5 km deep · 6 km away
  4. 1.810 km SE of Ratliff City, Oklahoma · 1997 days ago · 6 km deep · 6 km away
  5. 1.610 km SE of Ratliff City, Oklahoma · 1997 days ago · 6 km deep · 5 km away
  6. 1.65 km SE of Ratliff City, Oklahoma · 1997 days ago · 6 km deep · 10 km away
  7. 1.65 km SE of Ratliff City, Oklahoma · 1997 days ago · 5 km deep · 10 km away
  8. 1.59 km SE of Ratliff City, Oklahoma · 1997 days ago · 8 km deep · 6 km away
  9. 1.96 km SE of Ratliff City, Oklahoma · 1997 days ago · 6 km deep · 9 km away
  10. 1.66 km SE of Ratliff City, Oklahoma · 1997 days ago · 6 km deep · 9 km away
  11. 2.06 km SE of Ratliff City, Oklahoma · 1997 days ago · 6 km deep · 9 km away
  12. 1.65 km ESE of Ratliff City, Oklahoma · 1997 days ago · 4 km deep · 10 km away
  13. 1.68 km SE of Katie, Oklahoma · 1997 days ago · 7 km deep · 22 km away
  14. 1.65 km SE of Ratliff City, Oklahoma · 1997 days ago · 6 km deep · 10 km away
  15. 2.36 km SE of Ratliff City, Oklahoma · 1997 days ago · 7 km deep · 9 km away
  16. 1.79 km SSE of Tatums, Oklahoma · 1997 days ago · 5 km deep · 8 km away
  17. 1.811 km SE of Ratliff City, Oklahoma · 1996 days ago · 5 km deep · 4 km away
  18. 1.56 km SE of Ratliff City, Oklahoma · 1996 days ago · 6 km deep · 9 km away
  19. 1.610 km SE of Tatums, Oklahoma · 1996 days ago · 7 km deep · 7 km away
  20. 1.76 km ESE of Ratliff City, Oklahoma · 1996 days ago · 5 km deep · 10 km away
  21. 1.66 km SE of Ratliff City, Oklahoma · 1996 days ago · 5 km deep · 9 km away
  22. 1.610 km SE of Ratliff City, Oklahoma · 1995 days ago · 10 km deep · 5 km away
  23. 1.79 km SE of Ratliff City, Oklahoma · 1995 days ago · 8 km deep · 6 km away
  24. 2.011 km SE of Ratliff City, Oklahoma · 1995 days ago · 11 km deep · 4 km away
  25. 2.110 km SE of Ratliff City, Oklahoma · 1995 days ago · 6 km deep · 5 km away
  26. 1.76 km SE of Ratliff City, Oklahoma · 1995 days ago · 6 km deep · 9 km away
  27. 1.710 km SE of Ratliff City, Oklahoma · 1995 days ago · 4 km deep · 6 km away
  28. 1.79 km SE of Ratliff City, Oklahoma · 1994 days ago · 6 km deep · 6 km away
  29. 2.16 km SE of Ratliff City, Oklahoma · 1994 days ago · 5 km deep · 9 km away
  30. 2.16 km SE of Ratliff City, Oklahoma · 1994 days ago · 6 km deep · 9 km away
  31. 1.611 km SE of Ratliff City, Oklahoma · 1994 days ago · 10 km deep · 4 km away
  32. 1.69 km SE of Ratliff City, Oklahoma · 1994 days ago · 8 km deep · 6 km away
  33. 1.66 km SE of Ratliff City, Oklahoma · 1994 days ago · 6 km deep · 9 km away
  34. 1.76 km SE of Ratliff City, Oklahoma · 1994 days ago · 5 km deep · 9 km away
  35. 2.07 km SE of Ratliff City, Oklahoma · 1994 days ago · 7 km deep · 8 km away
  36. 1.97 km SE of Ratliff City, Oklahoma · 1993 days ago · 7 km deep · 7 km away
  37. 1.68 km SE of Ratliff City, Oklahoma · 1993 days ago · 6 km deep · 7 km away
  38. 1.98 km SE of Ratliff City, Oklahoma · 1993 days ago · 6 km deep · 7 km away
  39. 1.98 km SE of Ratliff City, Oklahoma · 1993 days ago · 6 km deep · 7 km away
  40. 1.57 km SW of Dibble, Oklahoma · 1993 days ago · 9 km deep · 76 km away
  41. 2.07 km SE of Ratliff City, Oklahoma · 1993 days ago · 5 km deep · 8 km away
  42. 2.36 km SE of Ratliff City, Oklahoma · 1993 days ago · 6 km deep · 8 km away
  43. 2.08 km SE of Ratliff City, Oklahoma · 1993 days ago · 6 km deep · 7 km away
  44. 1.615 km W of Marietta, Oklahoma · 1993 days ago · 14 km deep · 45 km away
  45. 1.66 km SW of Dibble, Oklahoma · 1993 days ago · 8 km deep · 76 km away
  46. 1.911 km SE of Ratliff City, Oklahoma · 1992 days ago · 5 km deep · 5 km away
  47. 3.37 km SW of Dibble, Oklahoma · 1992 days ago · 11 km deep · 76 km away · felt by 23
  48. 1.74 km ESE of Ratliff City, Oklahoma · 1991 days ago · 5 km deep · 11 km away
  49. 1.612 km SW of Erin Springs, Oklahoma · 1990 days ago · 13 km deep · 53 km away
  50. 1.712 km SW of Erin Springs, Oklahoma · 1990 days ago · 12 km deep · 53 km away
  51. 1.812 km SW of Erin Springs, Oklahoma · 1990 days ago · 14 km deep · 53 km away
  52. 1.811 km SW of Erin Springs, Oklahoma · 1989 days ago · 15 km deep · 53 km away
  53. 1.68 km SE of Ratliff City, Oklahoma · 1988 days ago · 7 km deep · 8 km away
  54. 3.58 km SW of Dibble, Oklahoma · 1988 days ago · 11 km deep · 75 km away · felt by 58
  55. 1.88 km SW of Dibble, Oklahoma · 1988 days ago · 9 km deep · 75 km away
  56. 1.510 km SE of Ratliff City, Oklahoma · 1982 days ago · 5 km deep · 6 km away
  57. 1.612 km SW of Erin Springs, Oklahoma · 1982 days ago · 5 km deep · 53 km away
  58. 1.89 km SE of Tatums, Oklahoma · 1980 days ago · 5 km deep · 9 km away
  59. 1.914 km SE of Ratliff City, Oklahoma · 1980 days ago · 5 km deep · 3 km away
  60. 1.610 km SE of Ratliff City, Oklahoma · 1980 days ago · 6 km deep · 5 km away

The first 60 of 100.

Before

  1. 1.811 km SE of Ratliff City, Oklahoma · 2001 days ago · 5 km deep · 4 km away
  2. 1.57 km SW of Dibble, Oklahoma · 2001 days ago · 9 km deep · 76 km away
  3. 1.99 km SE of Ratliff City, Oklahoma · 2002 days ago · 5 km deep · 6 km away
  4. 1.710 km SE of Ratliff City, Oklahoma · 2003 days ago · 5 km deep · 5 km away
  5. 1.912 km SE of Ratliff City, Oklahoma · 2004 days ago · 5 km deep · 3 km away
  6. 2.09 km SE of Ratliff City, Oklahoma · 2004 days ago · 5 km deep · 6 km away
  7. 1.710 km SSE of Tatums, Oklahoma · 2004 days ago · 4 km deep · 6 km away
  8. 2.710 km SE of Ratliff City, Oklahoma · 2006 days ago · 6 km deep · 5 km away · felt by 1
  9. 1.710 km SE of Ratliff City, Oklahoma · 2006 days ago · 5 km deep · 5 km away
  10. 1.510 km SE of Ratliff City, Oklahoma · 2006 days ago · 6 km deep · 5 km away
  11. 1.811 km SE of Ratliff City, Oklahoma · 2006 days ago · 5 km deep · 4 km away
  12. 2.77 km SW of Ratliff City, Oklahoma · 2006 days ago · 14 km deep · 17 km away · felt by 3
  13. 2.215 km W of Marietta, Oklahoma · 2007 days ago · 13 km deep · 44 km away
  14. 1.914 km SE of Ratliff City, Oklahoma · 2007 days ago · 6 km deep · 1 km away
  15. 1.68 km SE of Ratliff City, Oklahoma · 2007 days ago · 5 km deep · 8 km away
  16. 1.79 km SE of Ratliff City, Oklahoma · 2007 days ago · 5 km deep · 6 km away
  17. 1.68 km SE of Ratliff City, Oklahoma · 2008 days ago · 4 km deep · 7 km away
  18. 1.711 km SSE of Tatums, Oklahoma · 2008 days ago · 6 km deep · 5 km away
  19. 1.67 km SW of Ratliff City, Oklahoma · 2008 days ago · 15 km deep · 16 km away
  20. 1.514 km SE of Ratliff City, Oklahoma · 2008 days ago · 5 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021gstf. Read Mon, Sep 28, 2026, 6:50 PM UTC.