Oklahoma earthquakes

M2.7 earthquake 6 km NNE of Alex, Oklahoma

A magnitude 2.7 earthquake struck 6 km NNE of Alex, Oklahoma on Sat, Sep 4, 2021, 4:17 PM CDT (21:17 UTC), 8 km (5 mi) below the surface.

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
2.7 (ml), micro
Local time
UTC
2021-09-04 21:17:55 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
34.974° N, 97.758° W
Region
Oklahoma
Felt reports
4
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

4 people reported to the USGS what they felt; the strongest reported shaking was IV, light 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
±0.23
Station coverage gap
30°
Stations used
101

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.77 km NE of Alex, Oklahoma · 1842 days ago · 9 km deep · 4 km away · felt by 1
  2. 1.64 km ESE of El Reno, Oklahoma · 1841 days ago · 23 km deep · 61 km away
  3. 2.27 km SSE of Erin Springs, Oklahoma · 1830 days ago · 7 km deep · 31 km away · felt by 1
  4. 1.87 km SSE of Erin Springs, Oklahoma · 1830 days ago · 7 km deep · 31 km away
  5. 1.93 km S of Blanchard, Oklahoma · 1829 days ago · 4 km deep · 17 km away · felt by 11
  6. 1.87 km SSE of Erin Springs, Oklahoma · 1827 days ago · 7 km deep · 30 km away
  7. 1.77 km SSE of Erin Springs, Oklahoma · 1827 days ago · 7 km deep · 30 km away
  8. 2.211 km E of Comanche, Oklahoma · 1818 days ago · 9 km deep · 67 km away
  9. 1.73 km E of Bradley, Oklahoma · 1816 days ago · 13 km deep · 14 km away
  10. 1.63 km E of Bradley, Oklahoma · 1815 days ago · 13 km deep · 13 km away
  11. 2.13 km E of Bradley, Oklahoma · 1811 days ago · 5 km deep · 13 km away · felt by 4
  12. 1.83 km E of Bradley, Oklahoma · 1810 days ago · 5 km deep · 13 km away
  13. 2.62 km ESE of Luther, Oklahoma · 1810 days ago · 7 km deep · 93 km away · felt by 3
  14. 1.65 km W of Yukon, Oklahoma · 1808 days ago · 4 km deep · 59 km away
  15. 1.62 km ESE of Luther, Oklahoma · 1803 days ago · 7 km deep · 93 km away
  16. 1.813 km WSW of El Reno, Oklahoma · 1789 days ago · 5 km deep · 63 km away · felt by 1
  17. 1.611 km WSW of El Reno, Oklahoma · 1787 days ago · 6 km deep · 64 km away
  18. 1.811 km WSW of El Reno, Oklahoma · 1787 days ago · 6 km deep · 63 km away
  19. 1.57 km NE of Harrah, Oklahoma · 1787 days ago · 7 km deep · 86 km away

Before

  1. 1.66 km S of Ratliff City, Oklahoma · 1844 days ago · 10 km deep · 69 km away
  2. 1.55 km ESE of Union City, Oklahoma · 1849 days ago · 4 km deep · 46 km away
  3. 1.68 km SW of Dibble, Oklahoma · 1851 days ago · 8 km deep · 6 km away
  4. 2.05 km ENE of Edmond, Oklahoma · 1856 days ago · 7 km deep · 83 km away · felt by 10
  5. 2.11 km SSW of Verden, Oklahoma · 1865 days ago · 9 km deep · 32 km away · felt by 1
  6. 2.15 km ENE of Edmond, Oklahoma · 1867 days ago · 7 km deep · 84 km away · felt by 48

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021rjbx (also filed as us7000f812). Read Tue, Sep 22, 2026, 7:39 PM UTC.