Oklahoma earthquakes

M1.6 earthquake 2 km NNW of Chester, Oklahoma

A magnitude 1.6 earthquake struck 2 km NNW of Chester, Oklahoma on Wed, Sep 23, 2020, 4:57 AM CDT (09:57 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.6 5 km SE of Fairview, Oklahoma. This one was a foreshock.

Seiling 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
1.6 (ML, local (Richter)), micro
Magnitude from
Oklahoma Geological Survey
Local time
UTC
2020-09-23 09:57:50 UTC
Depth
6.9 km (4.3 mi), shallow
Epicenter
36.233° N, 98.931° 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
±0.19
Station coverage gap
110°
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: 143 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 1.84 km S of Avard, Oklahoma · 2203 days ago · 7 km deep · 49 km away
  2. 2.26 km WNW of Hardtner, Kansas · 2203 days ago · 5 km deep · 91 km away
  3. 2.010 km NW of Mooreland, Oklahoma · 2202 days ago · 8 km deep · 44 km away
  4. 1.55 km NE of Ames, Oklahoma · 2202 days ago · 7 km deep · 70 km away
  5. 1.816 km SE of Waynoka, Oklahoma · 2201 days ago · 7 km deep · 29 km away
  6. 1.75 km N of Ames, Oklahoma · 2201 days ago · 8 km deep · 66 km away
  7. 1.65 km NNW of Ames, Oklahoma · 2201 days ago · 7 km deep · 66 km away
  8. 2.46 km NW of Ames, Oklahoma · 2200 days ago · 7 km deep · 62 km away · felt by 2
  9. 1.64 km NNE of Okeene, Oklahoma · 2199 days ago · 7 km deep · 58 km away
  10. 1.816 km NW of Alva, Oklahoma · 2199 days ago · 6 km deep · 75 km away
  11. 1.66 km NNE of Ames, Oklahoma · 2198 days ago · 6 km deep · 70 km away
  12. 1.71 km NW of Cleo Springs, Oklahoma · 2196 days ago · 8 km deep · 48 km away
  13. 1.77 km E of Nescatunga, Oklahoma · 2196 days ago · 7 km deep · 97 km away
  14. 2.117 km SE of Waynoka, Oklahoma · 2195 days ago · 8 km deep · 30 km away
  15. 2.09 km SSE of Thomas, Oklahoma · 2195 days ago · 7 km deep · 67 km away
  16. 1.910 km NNE of Quinlan, Oklahoma · 2193 days ago · 8 km deep · 34 km away
  17. 2.110 km NNE of Quinlan, Oklahoma · 2193 days ago · 8 km deep · 34 km away
  18. 1.69 km NNE of Quinlan, Oklahoma · 2193 days ago · 8 km deep · 33 km away
  19. 1.5Oklahoma · 2193 days ago · 6 km deep · 49 km away
  20. 2.010 km NNE of Quinlan, Oklahoma · 2192 days ago · 8 km deep · 34 km away
  21. 1.89 km NNE of Quinlan, Oklahoma · 2191 days ago · 8 km deep · 33 km away
  22. 1.54 km SSW of Nescatunga, Oklahoma · 2190 days ago · 6 km deep · 87 km away
  23. 1.617 km NW of Alva, Oklahoma · 2190 days ago · 6 km deep · 76 km away
  24. 2.19 km NNE of Quinlan, Oklahoma · 2189 days ago · 8 km deep · 34 km away
  25. 2.010 km NNE of Quinlan, Oklahoma · 2189 days ago · 8 km deep · 34 km away
  26. 2.19 km NNE of Quinlan, Oklahoma · 2189 days ago · 8 km deep · 34 km away
  27. 1.710 km NNE of Quinlan, Oklahoma · 2189 days ago · 7 km deep · 34 km away
  28. 1.89 km NNE of Quinlan, Oklahoma · 2189 days ago · 7 km deep · 33 km away
  29. 1.97 km E of Nescatunga, Oklahoma · 2189 days ago · 7 km deep · 97 km away
  30. 1.87 km E of Nescatunga, Oklahoma · 2189 days ago · 7 km deep · 97 km away
  31. 1.611 km SSE of Thomas, Oklahoma · 2188 days ago · 7 km deep · 68 km away
  32. 1.816 km SE of Waynoka, Oklahoma · 2188 days ago · 8 km deep · 34 km away
  33. 1.610 km S of Thomas, Oklahoma · 2188 days ago · 7 km deep · 67 km away
  34. 1.616 km SE of Waynoka, Oklahoma · 2186 days ago · 8 km deep · 34 km away
  35. 1.74 km SW of Lambert, Oklahoma · 2185 days ago · 8 km deep · 63 km away
  36. 1.63 km NE of Meno, Oklahoma · 2185 days ago · 6 km deep · 73 km away
  37. 1.617 km SSE of Waynoka, Oklahoma · 2184 days ago · 8 km deep · 26 km away
  38. 2.02 km SSW of Cherokee, Oklahoma · 2183 days ago · 5 km deep · 75 km away
  39. 1.53 km WSW of Cherokee, Oklahoma · 2181 days ago · 3 km deep · 75 km away
  40. 1.625 km NE of Buffalo, Oklahoma · 2181 days ago · 7 km deep · 91 km away
  41. 1.8Oklahoma · 2181 days ago · 8 km deep · 58 km away
  42. 1.68 km NNE of Ames, Oklahoma · 2180 days ago · 7 km deep · 70 km away
  43. 2.04 km S of Avard, Oklahoma · 2180 days ago · 8 km deep · 49 km away
  44. 1.73 km NE of Meno, Oklahoma · 2180 days ago · 6 km deep · 73 km away
  45. 1.517 km SSE of Waynoka, Oklahoma · 2179 days ago · 8 km deep · 27 km away
  46. 1.58 km NNE of Ames, Oklahoma · 2179 days ago · 7 km deep · 70 km away
  47. 1.69 km NNE of Quinlan, Oklahoma · 2179 days ago · 8 km deep · 33 km away
  48. 1.97 km NE of Ames, Oklahoma · 2179 days ago · 7 km deep · 72 km away
  49. 2.016 km SE of Waynoka, Oklahoma · 2178 days ago · 8 km deep · 33 km away
  50. 1.910 km SW of Isabella, Oklahoma · 2178 days ago · 5 km deep · 46 km away
  51. 1.817 km SE of Waynoka, Oklahoma · 2178 days ago · 8 km deep · 33 km away
  52. 1.52 km WSW of Cherokee, Oklahoma · 2177 days ago · 4 km deep · 75 km away
  53. 2.65 km SE of Fairview, Oklahoma · 2177 days ago · 7 km deep · 44 km away · felt by 2
  54. 1.87 km N of Ames, Oklahoma · 2177 days ago · 5 km deep · 68 km away
  55. 2.316 km SE of Waynoka, Oklahoma · 2177 days ago · 8 km deep · 34 km away
  56. 1.76 km NNE of Loyal, Oklahoma · 2176 days ago · 5 km deep · 78 km away
  57. 2.46 km NNE of Loyal, Oklahoma · 2176 days ago · 6 km deep · 78 km away
  58. 1.73 km E of Jet, Oklahoma · 2175 days ago · 5 km deep · 86 km away
  59. 1.96 km NNE of Loyal, Oklahoma · 2175 days ago · 6 km deep · 78 km away
  60. 1.55 km NNW of Ames, Oklahoma · 2173 days ago · 7 km deep · 66 km away

The first 60 of 143.

Before

  1. 1.68 km E of Nescatunga, Oklahoma · 2203 days ago · 8 km deep · 97 km away
  2. 1.910 km NW of Mooreland, Oklahoma · 2206 days ago · 8 km deep · 44 km away
  3. 1.912 km WNW of Avard, Oklahoma · 2209 days ago · 16 km deep · 57 km away
  4. 1.63 km SE of Meno, Oklahoma · 2209 days ago · 6 km deep · 71 km away
  5. 3.06 km NW of Ames, Oklahoma · 2210 days ago · 8 km deep · 62 km away · felt by 4
  6. 1.66 km NNE of Ames, Oklahoma · 2210 days ago · 6 km deep · 69 km away
  7. 2.15 km NW of Ames, Oklahoma · 2211 days ago · 8 km deep · 62 km away
  8. 2.05 km NW of Ames, Oklahoma · 2211 days ago · 7 km deep · 63 km away
  9. 1.66 km E of Cleo Springs, Oklahoma · 2213 days ago · 7 km deep · 54 km away
  10. 2.06 km E of Cleo Springs, Oklahoma · 2213 days ago · 6 km deep · 54 km away
  11. 1.610 km NNE of Quinlan, Oklahoma · 2215 days ago · 8 km deep · 34 km away
  12. 1.715 km ENE of Fort Supply, Oklahoma · 2215 days ago · 5 km deep · 61 km away
  13. 2.12 km SE of Aline, Oklahoma · 2215 days ago · 7 km deep · 54 km away
  14. 1.99 km NNE of Quinlan, Oklahoma · 2216 days ago · 8 km deep · 33 km away
  15. 1.52 km SE of Aline, Oklahoma · 2218 days ago · 8 km deep · 53 km away
  16. 1.617 km SSE of Waynoka, Oklahoma · 2222 days ago · 9 km deep · 26 km away
  17. 1.87 km W of Carmen, Oklahoma · 2225 days ago · 7 km deep · 51 km away
  18. 1.64 km SE of Meno, Oklahoma · 2225 days ago · 6 km deep · 72 km away
  19. 1.93 km SSE of Meno, Oklahoma · 2226 days ago · 7 km deep · 71 km away
  20. 1.83 km SE of Meno, Oklahoma · 2226 days ago · 6 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2020sstn. Read Mon, Oct 5, 2026, 8:36 AM UTC.