Oklahoma earthquakes

M3.0 earthquake 1 km S of Chester, Oklahoma

A magnitude 3.0 earthquake struck 1 km S of Chester, Oklahoma on Wed, Sep 26, 2018, 8:55 PM CDT (01:55 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 1 km WNW of Chester, Oklahoma. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-09-27 01:55:52 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
36.205° N, 98.921° W
Region
Oklahoma
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 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.

Location uncertainty
About 1.1 km horizontally, 4.5 km in depth
Station coverage gap
45°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.91 km SSW of Chester, Oklahoma · 2928 days ago · 6 km deep · 0 km away
  2. 2.81 km S of Chester, Oklahoma · 2927 days ago · 7 km deep · 0 km away
  3. 2.72 km S of Chester, Oklahoma · 2927 days ago · 5 km deep · 1 km away
  4. 2.415 km SSE of Waynoka, Oklahoma · 2926 days ago · 6 km deep · 30 km away
  5. 2.71 km WNW of Chester, Oklahoma · 2925 days ago · 6 km deep · 3 km away
  6. 2.910 km WSW of Waynoka, Oklahoma · 2925 days ago · 7 km deep · 37 km away
  7. 3.00 km WNW of Chester, Oklahoma · 2925 days ago · 4 km deep · 2 km away
  8. 3.31 km WNW of Chester, Oklahoma · 2924 days ago · 6 km deep · 2 km away
  9. 2.717 km SSE of Waynoka, Oklahoma · 2921 days ago · 6 km deep · 29 km away
  10. 2.51 km WNW of Chester, Oklahoma · 2920 days ago · 5 km deep · 2 km away · felt by 1
  11. 2.90 km WNW of Bison, Oklahoma · 2919 days ago · 5 km deep · 92 km away · felt by 1
  12. 2.55 km E of Hennessey, Oklahoma · 2914 days ago · 4 km deep · 98 km away · felt by 1
  13. 3.10 km W of Chester, Oklahoma · 2904 days ago · 4 km deep · 2 km away · felt by 2
  14. 2.50 km SE of Chester, Oklahoma · 2896 days ago · 7 km deep · 1 km away
  15. 2.52 km SE of Ames, Oklahoma · 2895 days ago · 5 km deep · 68 km away · felt by 2
  16. 2.63 km NNE of Okarche, Oklahoma · 2892 days ago · 8 km deep · 100 km away · felt by 4
  17. 2.78 km ENE of Nescatunga, Oklahoma · 2884 days ago · 7 km deep · 99 km away
  18. 2.816 km SE of Waynoka, Oklahoma · 2882 days ago · 5 km deep · 32 km away
  19. 2.74 km NNE of Cherokee, Oklahoma · 2878 days ago · 3 km deep · 83 km away · felt by 33
  20. 2.89 km NE of Thomas, Oklahoma · 2874 days ago · 4 km deep · 49 km away
  21. 2.44 km E of Hennessey, Oklahoma · 2871 days ago · 5 km deep · 96 km away
  22. 2.73 km SE of Meno, Oklahoma · 2871 days ago · 6 km deep · 71 km away

Before

  1. 3.04 km NNE of Okeene, Oklahoma · 2931 days ago · 5 km deep · 57 km away
  2. 2.59 km SW of Waynoka, Oklahoma · 2934 days ago · 6 km deep · 36 km away
  3. 2.55 km NW of Ames, Oklahoma · 2935 days ago · 6 km deep · 62 km away
  4. 2.717 km SE of Waynoka, Oklahoma · 2939 days ago · 8 km deep · 31 km away
  5. 2.50 km NW of Chester, Oklahoma · 2943 days ago · 3 km deep · 2 km away
  6. 3.08 km SSW of Burlington, Oklahoma · 2943 days ago · 3 km deep · 81 km away
  7. 2.417 km SE of Waynoka, Oklahoma · 2945 days ago · 7 km deep · 34 km away
  8. 2.917 km SE of Waynoka, Oklahoma · 2948 days ago · 8 km deep · 37 km away · felt by 1
  9. 2.617 km SE of Waynoka, Oklahoma · 2948 days ago · 7 km deep · 36 km away
  10. 3.517 km SE of Waynoka, Oklahoma · 2948 days ago · 8 km deep · 36 km away
  11. 3.517 km SE of Waynoka, Oklahoma · 2948 days ago · 8 km deep · 32 km away · felt by 3
  12. 3.215 km SSE of Waynoka, Oklahoma · 2959 days ago · 5 km deep · 30 km away · felt by 3
  13. 2.69 km E of Nescatunga, Oklahoma · 2959 days ago · 8 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000h335. Read Sun, Oct 4, 2026, 11:42 PM UTC.