Colorado earthquakes

M1.9 earthquake 8 km N of El Moro, Colorado

A magnitude 1.9 earthquake struck 8 km N of El Moro, Colorado on Mon, Sep 11, 2023, 5:36 PM MDT (23:36 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.2 7 km N of El Moro, Colorado. 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
1.9 (ml), micro
Local time
UTC
2023-09-11 23:36:30 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
37.302° N, 104.478° W
Region
Colorado
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.

Location uncertainty
About 1.6 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
73°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 46 in the 30 days before it.

After

  1. 2.27 km N of El Moro, Colorado · 1106 days ago · 5 km deep · 1 km away
  2. 1.811 km SSW of Fowler, Colorado · 1102 days ago · 5 km deep · 89 km away
  3. 1.79 km NNW of El Moro, Colorado · 1101 days ago · 5 km deep · 2 km away
  4. 1.59 km NNW of El Moro, Colorado · 1101 days ago · 5 km deep · 1 km away
  5. 2.413 km E of Colorado City, Colorado · 1099 days ago · 5 km deep · 76 km away
  6. 2.314 km E of Colorado City, Colorado · 1099 days ago · 5 km deep · 76 km away
  7. 1.58 km N of Segundo, Colorado · 1099 days ago · 5 km deep · 26 km away
  8. 2.214 km E of Colorado City, Colorado · 1099 days ago · 5 km deep · 76 km away
  9. 1.5Colorado · 1098 days ago · 5 km deep · 3 km away · felt by 1
  10. 2.87 km NNW of El Moro, Colorado · 1098 days ago · 5 km deep · 1 km away · felt by 8
  11. 1.69 km WNW of Hoehne, Colorado · 1098 days ago · 5 km deep · 1 km away
  12. 1.6Colorado · 1098 days ago · 6 km deep · 1 km away
  13. 2.2Colorado · 1096 days ago · 5 km deep · 33 km away
  14. 1.510 km SSE of Walsenburg, Colorado · 1092 days ago · 5 km deep · 34 km away
  15. 1.613 km ENE of Colorado City, Colorado · 1089 days ago · 5 km deep · 76 km away
  16. 1.612 km S of Weston, Colorado · 1087 days ago · 5 km deep · 46 km away
  17. 1.923 km S of Weston, Colorado · 1086 days ago · 5 km deep · 54 km away
  18. 1.711 km SSE of Walsenburg, Colorado · 1084 days ago · 5 km deep · 34 km away
  19. 1.710 km SE of Walsenburg, Colorado · 1084 days ago · 5 km deep · 34 km away
  20. 1.515 km SSW of Weston, Colorado · 1081 days ago · 5 km deep · 50 km away
  21. 1.513 km S of Stonewall Gap, Colorado · 1076 days ago · 5 km deep · 56 km away
  22. 1.76 km WNW of Hoehne, Colorado · 1076 days ago · 5 km deep · 2 km away
  23. 1.711 km NE of Stonewall Gap, Colorado · 1075 days ago · 5 km deep · 42 km away
  24. 2.89 km NNW of El Moro, Colorado · 1072 days ago · 5 km deep · 2 km away · felt by 4
  25. 1.534 km NNE of Cimarron, New Mexico · 1061 days ago · 5 km deep · 63 km away
  26. 2.016 km SW of Weston, Colorado · 1059 days ago · 5 km deep · 54 km away
  27. 2.017 km S of Weston, Colorado · 1055 days ago · 5 km deep · 49 km away
  28. 1.618 km S of Weston, Colorado · 1055 days ago · 5 km deep · 49 km away
  29. 2.126 km SSW of Segundo, Colorado · 1050 days ago · 5 km deep · 55 km away
  30. 2.026 km SSW of Segundo, Colorado · 1050 days ago · 5 km deep · 55 km away
  31. 1.825 km S of Weston, Colorado · 1050 days ago · 5 km deep · 55 km away
  32. 2.126 km S of Weston, Colorado · 1050 days ago · 5 km deep · 55 km away
  33. 1.67 km WNW of Hoehne, Colorado · 1049 days ago · 5 km deep · 1 km away

Before

  1. 1.97 km WNW of Hoehne, Colorado · 1107 days ago · 5 km deep · 2 km away
  2. 1.76 km N of Hoehne, Colorado · 1107 days ago · 5 km deep · 10 km away
  3. 1.78 km N of Segundo, Colorado · 1108 days ago · 7 km deep · 26 km away
  4. 2.59 km SE of Walsenburg, Colorado · 1108 days ago · 5 km deep · 35 km away
  5. 3.47 km N of Valdez, Colorado · 1108 days ago · 7 km deep · 24 km away · felt by 9
  6. 3.68 km NNW of Segundo, Colorado · 1108 days ago · 2 km deep · 29 km away · felt by 26
  7. 2.413 km SSE of Stonewall Gap, Colorado · 1109 days ago · 5 km deep · 53 km away
  8. 1.914 km S of Stonewall Gap, Colorado · 1110 days ago · 5 km deep · 57 km away
  9. 1.816 km S of Stonewall Gap, Colorado · 1110 days ago · 5 km deep · 57 km away
  10. 2.313 km SSE of Stonewall Gap, Colorado · 1111 days ago · 5 km deep · 56 km away
  11. 1.58 km SE of Walsenburg, Colorado · 1111 days ago · 5 km deep · 36 km away
  12. 1.814 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 55 km away
  13. 2.013 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 55 km away
  14. 1.813 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 54 km away
  15. 1.515 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 55 km away
  16. 2.612 km SSE of Walsenburg, Colorado · 1113 days ago · 9 km deep · 33 km away
  17. 1.514 km SSE of Stonewall Gap, Colorado · 1113 days ago · 9 km deep · 56 km away
  18. 1.912 km SSE of Stonewall Gap, Colorado · 1114 days ago · 5 km deep · 52 km away
  19. 2.613 km SW of Weston, Colorado · 1114 days ago · 8 km deep · 51 km away
  20. 1.813 km S of Stonewall Gap, Colorado · 1115 days ago · 5 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lf27. Read Tue, Sep 22, 2026, 10:30 PM UTC.