Oklahoma earthquakes

M1.7 earthquake 5 km SW of Blanchard, Oklahoma

A magnitude 1.7 earthquake struck 5 km SW of Blanchard, Oklahoma on Thu, Jul 15, 2021, 7:05 PM CDT (00:05 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M1.8 2 km E of Union City, Oklahoma. This one was a foreshock.

Blanchard 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
1.7 (ml), micro
Local time
UTC
2021-07-16 00:05:38 UTC
Depth
7.2 km (4.5 mi), shallow
Epicenter
35.103° N, 97.696° 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
73°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 1.61 km ESE of Union City, Oklahoma · 1895 days ago · 5 km deep · 38 km away
  2. 1.72 km ESE of Union City, Oklahoma · 1892 days ago · 5 km deep · 37 km away
  3. 1.65 km N of Rosedale, Oklahoma · 1892 days ago · 18 km deep · 49 km away
  4. 1.62 km E of Union City, Oklahoma · 1891 days ago · 4 km deep · 37 km away
  5. 1.52 km ENE of Union City, Oklahoma · 1891 days ago · 3 km deep · 38 km away
  6. 1.82 km E of Union City, Oklahoma · 1891 days ago · 4 km deep · 38 km away · felt by 1
  7. 1.52 km E of Union City, Oklahoma · 1890 days ago · 4 km deep · 38 km away
  8. 1.71 km ESE of Union City, Oklahoma · 1890 days ago · 5 km deep · 38 km away · felt by 1
  9. 1.53 km SSE of Blanchard, Oklahoma · 1890 days ago · 5 km deep · 5 km away
  10. 1.62 km ENE of Union City, Oklahoma · 1889 days ago · 5 km deep · 39 km away
  11. 1.52 km ENE of Union City, Oklahoma · 1887 days ago · 4 km deep · 38 km away
  12. 1.611 km SE of Ratliff City, Oklahoma · 1883 days ago · 5 km deep · 85 km away
  13. 1.811 km SE of Ratliff City, Oklahoma · 1882 days ago · 5 km deep · 84 km away
  14. 1.88 km SE of Ratliff City, Oklahoma · 1881 days ago · 5 km deep · 82 km away
  15. 2.08 km NW of Prague, Oklahoma · 1881 days ago · 7 km deep · 99 km away
  16. 1.83 km SSE of Jones, Oklahoma · 1875 days ago · 6 km deep · 62 km away
  17. 1.68 km NW of Prague, Oklahoma · 1870 days ago · 9 km deep · 98 km away
  18. 1.53 km SE of Carney, Oklahoma · 1867 days ago · 7 km deep · 100 km away
  19. 2.15 km ENE of Edmond, Oklahoma · 1867 days ago · 7 km deep · 68 km away · felt by 48
  20. 2.11 km SSW of Verden, Oklahoma · 1865 days ago · 9 km deep · 36 km away · felt by 1
  21. 2.05 km ENE of Edmond, Oklahoma · 1856 days ago · 7 km deep · 68 km away · felt by 10
  22. 1.68 km SW of Dibble, Oklahoma · 1851 days ago · 8 km deep · 14 km away
  23. 1.55 km ESE of Union City, Oklahoma · 1849 days ago · 4 km deep · 35 km away
  24. 2.08 km NW of Prague, Oklahoma · 1847 days ago · 8 km deep · 99 km away
  25. 1.66 km S of Ratliff City, Oklahoma · 1844 days ago · 10 km deep · 81 km away
  26. 2.76 km NNE of Alex, Oklahoma · 1844 days ago · 8 km deep · 15 km away · felt by 4
  27. 1.77 km NE of Alex, Oklahoma · 1841 days ago · 9 km deep · 16 km away · felt by 1
  28. 1.64 km ESE of El Reno, Oklahoma · 1841 days ago · 23 km deep · 49 km away

Before

  1. 1.62 km ESE of Union City, Oklahoma · 1895 days ago · 4 km deep · 37 km away
  2. 1.52 km ESE of Union City, Oklahoma · 1896 days ago · 4 km deep · 37 km away
  3. 1.65 km ESE of Ratliff City, Oklahoma · 1900 days ago · 4 km deep · 78 km away
  4. 1.52 km SE of Union City, Oklahoma · 1904 days ago · 4 km deep · 37 km away
  5. 1.61 km SSE of Union City, Oklahoma · 1904 days ago · 5 km deep · 37 km away
  6. 1.92 km N of Ada, Oklahoma · 1904 days ago · 5 km deep · 99 km away
  7. 1.92 km SSW of Blanchard, Oklahoma · 1905 days ago · 7 km deep · 3 km away · felt by 2
  8. 1.89 km E of Chickasha, Oklahoma · 1911 days ago · 8 km deep · 14 km away · felt by 1
  9. 1.912 km SE of Ratliff City, Oklahoma · 1913 days ago · 6 km deep · 85 km away
  10. 2.011 km SE of Ratliff City, Oklahoma · 1913 days ago · 5 km deep · 84 km away
  11. 1.612 km SE of Ratliff City, Oklahoma · 1913 days ago · 4 km deep · 84 km away
  12. 1.713 km SE of Ratliff City, Oklahoma · 1913 days ago · 5 km deep · 87 km away
  13. 2.214 km SSW of Loyal, Oklahoma · 1913 days ago · 7 km deep · 96 km away
  14. 2.16 km NNW of Lindsay, Oklahoma · 1915 days ago · 10 km deep · 25 km away · felt by 3
  15. 1.713 km SE of Ratliff City, Oklahoma · 1918 days ago · 6 km deep · 86 km away
  16. 1.93 km SE of Carney, Oklahoma · 1919 days ago · 7 km deep · 100 km away
  17. 1.612 km SE of Ratliff City, Oklahoma · 1921 days ago · 5 km deep · 85 km away
  18. 1.5Oklahoma · 1921 days ago · 7 km deep · 100 km away
  19. 2.63 km SE of Carney, Oklahoma · 1924 days ago · 5 km deep · 100 km away · felt by 2
  20. 2.03 km SE of Carney, Oklahoma · 1924 days ago · 5 km deep · 100 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021nucu. Read Tue, Sep 22, 2026, 5:16 PM UTC.