Oklahoma earthquakes

M1.8 earthquake 7 km SE of Chickasha, Oklahoma

A magnitude 1.8 earthquake struck 7 km SE of Chickasha, Oklahoma on Tue, Sep 16, 2025, 12:40 AM CDT (05:40 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.8 2 km NNE of Minco, 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, local (Richter)), micro
Magnitude from
Oklahoma Geological Survey
Local time
UTC
2025-09-16 05:40:17 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
35.005° N, 97.883° 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
±0.22
Station coverage gap
56°
Stations used
66

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.67 km SSE of Ratliff City, Oklahoma · 381 days ago · 6 km deep · 78 km away
  2. 1.96 km E of Calumet, Oklahoma · 380 days ago · 6 km deep · 69 km away
  3. 1.82 km NNE of Minco, Oklahoma · 380 days ago · 7 km deep · 37 km away · felt by 1
  4. 1.69 km SSW of Okarche, Oklahoma · 379 days ago · 22 km deep · 73 km away
  5. 2.06 km E of Calumet, Oklahoma · 379 days ago · 6 km deep · 69 km away
  6. 1.76 km SE of Ratliff City, Oklahoma · 379 days ago · 5 km deep · 77 km away
  7. 2.82 km NNE of Minco, Oklahoma · 379 days ago · 7 km deep · 37 km away · felt by 19
  8. 1.86 km E of Calumet, Oklahoma · 378 days ago · 7 km deep · 69 km away
  9. 1.75 km E of Calumet, Oklahoma · 378 days ago · 6 km deep · 69 km away
  10. 1.88 km ENE of Calumet, Oklahoma · 378 days ago · 8 km deep · 70 km away
  11. 1.62 km N of Minco, Oklahoma · 377 days ago · 7 km deep · 37 km away
  12. 1.56 km E of Calumet, Oklahoma · 376 days ago · 8 km deep · 69 km away
  13. 1.73 km NNE of Kingfisher, Oklahoma · 373 days ago · 4 km deep · 98 km away
  14. 2.36 km E of Calumet, Oklahoma · 373 days ago · 7 km deep · 69 km away
  15. 2.01 km ENE of Minco, Oklahoma · 368 days ago · 7 km deep · 35 km away · felt by 1
  16. 1.82 km ENE of Minco, Oklahoma · 367 days ago · 7 km deep · 36 km away
  17. 1.67 km ENE of Calumet, Oklahoma · 363 days ago · 5 km deep · 69 km away
  18. 1.77 km ENE of Calumet, Oklahoma · 363 days ago · 6 km deep · 69 km away
  19. 1.89 km WNW of Okarche, Oklahoma · 363 days ago · 7 km deep · 86 km away
  20. 1.79 km WNW of Okarche, Oklahoma · 363 days ago · 6 km deep · 86 km away · felt by 1
  21. 1.56 km SE of Ratliff City, Oklahoma · 363 days ago · 5 km deep · 77 km away
  22. 1.52 km NNE of Minco, Oklahoma · 362 days ago · 7 km deep · 37 km away
  23. 1.79 km NW of Okarche, Oklahoma · 358 days ago · 5 km deep · 89 km away
  24. 2.46 km E of Calumet, Oklahoma · 356 days ago · 6 km deep · 69 km away · felt by 1
  25. 1.68 km ENE of Calumet, Oklahoma · 354 days ago · 8 km deep · 70 km away
  26. 1.77 km ENE of Calumet, Oklahoma · 353 days ago · 7 km deep · 69 km away
  27. 1.58 km NW of Okarche, Oklahoma · 350 days ago · 7 km deep · 87 km away
  28. 1.89 km NW of Okarche, Oklahoma · 348 days ago · 7 km deep · 88 km away
  29. 2.17 km ENE of Calumet, Oklahoma · 347 days ago · 7 km deep · 70 km away
  30. 2.27 km ENE of Calumet, Oklahoma · 347 days ago · 5 km deep · 69 km away
  31. 1.56 km NNE of Ninnekah, Oklahoma · 342 days ago · 9 km deep · 0 km away · felt by 1
  32. 1.96 km SE of Ratliff City, Oklahoma · 338 days ago · 4 km deep · 77 km away
  33. 1.77 km ENE of Calumet, Oklahoma · 336 days ago · 3 km deep · 70 km away
  34. 1.62 km NE of Minco, Oklahoma · 336 days ago · 6 km deep · 36 km away
  35. 1.67 km SE of Ratliff City, Oklahoma · 334 days ago · 6 km deep · 78 km away
  36. 1.59 km ENE of Calumet, Oklahoma · 332 days ago · 8 km deep · 71 km away
  37. 1.55 km ESE of Amber, Oklahoma · 329 days ago · 7 km deep · 16 km away
  38. 1.98 km ENE of Calumet, Oklahoma · 328 days ago · 5 km deep · 70 km away
  39. 1.52 km SE of Erin Springs, Oklahoma · 322 days ago · 10 km deep · 35 km away

Before

  1. 1.67 km SE of Chickasha, Oklahoma · 381 days ago · 6 km deep · 1 km away
  2. 1.77 km ENE of Calumet, Oklahoma · 381 days ago · 7 km deep · 69 km away
  3. 2.01 km NNE of Minco, Oklahoma · 382 days ago · 7 km deep · 36 km away
  4. 1.61 km N of Minco, Oklahoma · 382 days ago · 8 km deep · 37 km away
  5. 1.51 km N of Minco, Oklahoma · 383 days ago · 7 km deep · 36 km away
  6. 2.12 km NNE of Minco, Oklahoma · 383 days ago · 7 km deep · 36 km away
  7. 1.71 km NNE of Minco, Oklahoma · 383 days ago · 7 km deep · 36 km away · felt by 1
  8. 1.52 km NE of Minco, Oklahoma · 383 days ago · 7 km deep · 37 km away
  9. 1.54 km ESE of Calumet, Oklahoma · 384 days ago · 7 km deep · 67 km away
  10. 2.06 km ENE of Calumet, Oklahoma · 384 days ago · 7 km deep · 69 km away
  11. 1.97 km ENE of Calumet, Oklahoma · 384 days ago · 7 km deep · 69 km away
  12. 1.67 km ENE of Calumet, Oklahoma · 384 days ago · 7 km deep · 70 km away
  13. 2.47 km SSE of Ratliff City, Oklahoma · 385 days ago · 6 km deep · 78 km away · felt by 1
  14. 1.85 km E of Calumet, Oklahoma · 385 days ago · 7 km deep · 69 km away
  15. 1.76 km E of Calumet, Oklahoma · 385 days ago · 7 km deep · 69 km away
  16. 1.77 km ENE of Calumet, Oklahoma · 385 days ago · 7 km deep · 70 km away
  17. 1.57 km ENE of Calumet, Oklahoma · 385 days ago · 6 km deep · 70 km away
  18. 1.79 km SSE of Ratliff City, Oklahoma · 385 days ago · 6 km deep · 80 km away
  19. 1.89 km SSE of Ratliff City, Oklahoma · 385 days ago · 7 km deep · 80 km away
  20. 1.67 km SSE of Ratliff City, Oklahoma · 385 days ago · 5 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2025sdva. Read Fri, Oct 2, 2026, 7:30 AM UTC.