Oklahoma earthquakes

M1.8 earthquake 9 km E of Chickasha, Oklahoma

A magnitude 1.8 earthquake struck 9 km E of Chickasha, Oklahoma on Tue, Jun 29, 2021, 8:52 AM CDT (13:52 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.1 1 km SSW of Verden, Oklahoma. This one was a foreshock.

Chickasha 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
2021-06-29 13:52:58 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
35.040° N, 97.828° W
Region
Oklahoma
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.21
Station coverage gap
54°
Stations used
64

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.92 km SSW of Blanchard, Oklahoma · 1910 days ago · 7 km deep · 17 km away · felt by 2
  2. 1.61 km SSE of Union City, Oklahoma · 1910 days ago · 5 km deep · 39 km away
  3. 1.52 km SE of Union City, Oklahoma · 1909 days ago · 4 km deep · 38 km away
  4. 1.65 km ESE of Ratliff City, Oklahoma · 1906 days ago · 4 km deep · 76 km away
  5. 1.52 km ESE of Union City, Oklahoma · 1901 days ago · 4 km deep · 39 km away
  6. 1.62 km ESE of Union City, Oklahoma · 1901 days ago · 4 km deep · 39 km away
  7. 1.75 km SW of Blanchard, Oklahoma · 1901 days ago · 7 km deep · 14 km away
  8. 1.61 km ESE of Union City, Oklahoma · 1901 days ago · 5 km deep · 39 km away
  9. 1.72 km ESE of Union City, Oklahoma · 1898 days ago · 5 km deep · 39 km away
  10. 1.65 km N of Rosedale, Oklahoma · 1898 days ago · 18 km deep · 59 km away
  11. 1.62 km E of Union City, Oklahoma · 1897 days ago · 4 km deep · 39 km away
  12. 1.52 km ENE of Union City, Oklahoma · 1897 days ago · 3 km deep · 40 km away
  13. 1.82 km E of Union City, Oklahoma · 1897 days ago · 4 km deep · 40 km away · felt by 1
  14. 1.52 km E of Union City, Oklahoma · 1896 days ago · 4 km deep · 40 km away
  15. 1.71 km ESE of Union City, Oklahoma · 1896 days ago · 5 km deep · 40 km away · felt by 1
  16. 1.53 km SSE of Blanchard, Oklahoma · 1895 days ago · 5 km deep · 18 km away
  17. 1.62 km ENE of Union City, Oklahoma · 1895 days ago · 5 km deep · 41 km away
  18. 1.52 km ENE of Union City, Oklahoma · 1893 days ago · 4 km deep · 41 km away
  19. 1.611 km SE of Ratliff City, Oklahoma · 1889 days ago · 5 km deep · 82 km away
  20. 1.811 km SE of Ratliff City, Oklahoma · 1887 days ago · 5 km deep · 82 km away
  21. 1.88 km SE of Ratliff City, Oklahoma · 1887 days ago · 5 km deep · 80 km away
  22. 1.83 km SSE of Jones, Oklahoma · 1881 days ago · 6 km deep · 76 km away
  23. 2.15 km ENE of Edmond, Oklahoma · 1873 days ago · 7 km deep · 80 km away · felt by 48
  24. 2.11 km SSW of Verden, Oklahoma · 1871 days ago · 9 km deep · 24 km away · felt by 1
  25. 2.05 km ENE of Edmond, Oklahoma · 1862 days ago · 7 km deep · 79 km away · felt by 10

Before

  1. 1.912 km SE of Ratliff City, Oklahoma · 1919 days ago · 6 km deep · 84 km away
  2. 2.011 km SE of Ratliff City, Oklahoma · 1919 days ago · 5 km deep · 83 km away
  3. 1.612 km SE of Ratliff City, Oklahoma · 1919 days ago · 4 km deep · 83 km away
  4. 1.713 km SE of Ratliff City, Oklahoma · 1919 days ago · 5 km deep · 85 km away
  5. 2.214 km SSW of Loyal, Oklahoma · 1919 days ago · 7 km deep · 97 km away
  6. 2.16 km NNW of Lindsay, Oklahoma · 1921 days ago · 10 km deep · 25 km away · felt by 3
  7. 1.713 km SE of Ratliff City, Oklahoma · 1924 days ago · 6 km deep · 84 km away
  8. 1.612 km SE of Ratliff City, Oklahoma · 1927 days ago · 5 km deep · 83 km away
  9. 2.110 km SE of Ratliff City, Oklahoma · 1930 days ago · 5 km deep · 82 km away
  10. 1.52 km SSW of Blanchard, Oklahoma · 1932 days ago · 7 km deep · 17 km away · felt by 1
  11. 1.72 km SSW of Blanchard, Oklahoma · 1933 days ago · 7 km deep · 17 km away
  12. 1.82 km SSW of Blanchard, Oklahoma · 1934 days ago · 5 km deep · 17 km away
  13. 1.87 km SW of Dibble, Oklahoma · 1938 days ago · 10 km deep · 15 km away
  14. 1.67 km W of Meeker, Oklahoma · 1939 days ago · 7 km deep · 92 km away
  15. 3.37 km SW of Dibble, Oklahoma · 1943 days ago · 12 km deep · 15 km away · felt by 27

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021mqcn. Read Mon, Sep 28, 2026, 2:21 PM UTC.