Colorado earthquakes

M2.3 earthquake 7 km N of Segundo, Colorado

A magnitude 2.3 earthquake struck 7 km N of Segundo, Colorado on Thu, Aug 10, 2023, 3:21 AM MDT (09:21 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.2 9 km N of Segundo, 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
2.3 (mb_lg), micro
Local time
UTC
2023-08-10 09:21:28 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
37.191° N, 104.761° 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 1.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
64°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 70 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.623 km SSW of Segundo, Colorado · 1138 days ago · 5 km deep · 31 km away
  2. 1.6New Mexico · 1138 days ago · 5 km deep · 31 km away
  3. 1.623 km SSW of Segundo, Colorado · 1138 days ago · 5 km deep · 31 km away
  4. 1.5New Mexico · 1138 days ago · 5 km deep · 30 km away
  5. 1.924 km SSW of Segundo, Colorado · 1136 days ago · 5 km deep · 31 km away
  6. 1.923 km S of Segundo, Colorado · 1134 days ago · 5 km deep · 31 km away
  7. 1.5New Mexico · 1132 days ago · 5 km deep · 26 km away
  8. 3.29 km N of Segundo, Colorado · 1132 days ago · 5 km deep · 2 km away · felt by 3
  9. 3.0Colorado · 1132 days ago · 5 km deep · 1 km away · felt by 4
  10. 1.5Colorado · 1128 days ago · 5 km deep · 27 km away
  11. 1.718 km S of Weston, Colorado · 1128 days ago · 5 km deep · 26 km away
  12. 3.3Colorado · 1123 days ago · 7 km deep · 27 km away · felt by 3
  13. 4.019 km SSW of Weston, Colorado · 1123 days ago · 4 km deep · 29 km away · felt by 22
  14. 1.717 km SSE of Stonewall Gap, Colorado · 1123 days ago · 5 km deep · 28 km away
  15. 1.813 km SSE of Stonewall Gap, Colorado · 1123 days ago · 5 km deep · 28 km away
  16. 2.114 km S of Stonewall Gap, Colorado · 1123 days ago · 5 km deep · 31 km away
  17. 1.914 km SSE of Stonewall Gap, Colorado · 1122 days ago · 5 km deep · 28 km away
  18. 1.615 km SSW of Weston, Colorado · 1122 days ago · 5 km deep · 25 km away
  19. 2.715 km SSE of Stonewall Gap, Colorado · 1122 days ago · 5 km deep · 29 km away
  20. 1.714 km S of Stonewall Gap, Colorado · 1121 days ago · 5 km deep · 29 km away
  21. 1.9New Mexico · 1120 days ago · 5 km deep · 38 km away
  22. 2.416 km SSE of Stonewall Gap, Colorado · 1119 days ago · 8 km deep · 29 km away
  23. 2.811 km S of Stonewall Gap, Colorado · 1119 days ago · 5 km deep · 28 km away
  24. 1.514 km SSE of Stonewall Gap, Colorado · 1118 days ago · 5 km deep · 28 km away
  25. 1.712 km S of Stonewall Gap, Colorado · 1118 days ago · 5 km deep · 28 km away
  26. 1.514 km SSE of Stonewall Gap, Colorado · 1117 days ago · 5 km deep · 26 km away
  27. 2.313 km SSE of Stonewall Gap, Colorado · 1117 days ago · 5 km deep · 26 km away
  28. 1.911 km SSE of Stonewall Gap, Colorado · 1116 days ago · 5 km deep · 24 km away
  29. 1.57 km N of El Moro, Colorado · 1115 days ago · 5 km deep · 27 km away
  30. 1.712 km SSE of Stonewall Gap, Colorado · 1114 days ago · 5 km deep · 25 km away
  31. 1.813 km S of Stonewall Gap, Colorado · 1114 days ago · 5 km deep · 29 km away
  32. 2.613 km SW of Weston, Colorado · 1114 days ago · 8 km deep · 23 km away
  33. 1.912 km SSE of Stonewall Gap, Colorado · 1113 days ago · 5 km deep · 25 km away
  34. 1.514 km SSE of Stonewall Gap, Colorado · 1113 days ago · 9 km deep · 28 km away
  35. 2.612 km SSE of Walsenburg, Colorado · 1112 days ago · 9 km deep · 36 km away
  36. 1.515 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 28 km away
  37. 1.813 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 26 km away
  38. 2.013 km SSE of Stonewall Gap, Colorado · 1111 days ago · 5 km deep · 28 km away
  39. 1.814 km SSE of Stonewall Gap, Colorado · 1111 days ago · 5 km deep · 28 km away
  40. 1.58 km SE of Walsenburg, Colorado · 1110 days ago · 5 km deep · 42 km away
  41. 2.313 km SSE of Stonewall Gap, Colorado · 1110 days ago · 5 km deep · 28 km away
  42. 1.816 km S of Stonewall Gap, Colorado · 1110 days ago · 5 km deep · 30 km away
  43. 1.914 km S of Stonewall Gap, Colorado · 1110 days ago · 5 km deep · 29 km away
  44. 2.413 km SSE of Stonewall Gap, Colorado · 1108 days ago · 5 km deep · 25 km away
  45. 3.68 km NNW of Segundo, Colorado · 1107 days ago · 2 km deep · 2 km away · felt by 26
  46. 3.47 km N of Valdez, Colorado · 1107 days ago · 7 km deep · 4 km away · felt by 9
  47. 2.59 km SE of Walsenburg, Colorado · 1107 days ago · 5 km deep · 41 km away
  48. 1.78 km N of Segundo, Colorado · 1107 days ago · 7 km deep · 2 km away
  49. 1.76 km N of Hoehne, Colorado · 1107 days ago · 5 km deep · 38 km away
  50. 1.97 km WNW of Hoehne, Colorado · 1107 days ago · 5 km deep · 30 km away
  51. 1.98 km N of El Moro, Colorado · 1107 days ago · 5 km deep · 28 km away
  52. 2.27 km N of El Moro, Colorado · 1105 days ago · 5 km deep · 27 km away
  53. 1.79 km NNW of El Moro, Colorado · 1101 days ago · 5 km deep · 26 km away
  54. 1.59 km NNW of El Moro, Colorado · 1100 days ago · 5 km deep · 28 km away
  55. 2.413 km E of Colorado City, Colorado · 1098 days ago · 5 km deep · 87 km away
  56. 2.314 km E of Colorado City, Colorado · 1098 days ago · 5 km deep · 87 km away
  57. 1.58 km N of Segundo, Colorado · 1098 days ago · 5 km deep · 2 km away
  58. 2.214 km E of Colorado City, Colorado · 1098 days ago · 5 km deep · 87 km away
  59. 1.5Colorado · 1098 days ago · 5 km deep · 25 km away · felt by 1
  60. 2.87 km NNW of El Moro, Colorado · 1098 days ago · 5 km deep · 27 km away · felt by 8

The first 60 of 70.

Before

  1. 2.023 km S of Weston, Colorado · 1139 days ago · 5 km deep · 31 km away
  2. 2.2New Mexico · 1140 days ago · 5 km deep · 33 km away
  3. 2.020 km S of Weston, Colorado · 1143 days ago · 5 km deep · 29 km away
  4. 1.823 km S of Weston, Colorado · 1143 days ago · 6 km deep · 31 km away
  5. 3.424 km S of Weston, Colorado · 1143 days ago · 8 km deep · 32 km away · felt by 5
  6. 2.125 km S of Weston, Colorado · 1143 days ago · 5 km deep · 33 km away
  7. 2.623 km S of Weston, Colorado · 1143 days ago · 5 km deep · 31 km away
  8. 2.225 km S of Segundo, Colorado · 1143 days ago · 5 km deep · 32 km away
  9. 2.27 km NNW of El Moro, Colorado · 1144 days ago · 6 km deep · 27 km away
  10. 1.717 km SSE of Stonewall Gap, Colorado · 1149 days ago · 5 km deep · 29 km away
  11. 2.213 km NNW of Weston, Colorado · 1149 days ago · 5 km deep · 13 km away
  12. 1.712 km SSE of Stonewall Gap, Colorado · 1152 days ago · 5 km deep · 25 km away
  13. 2.330 km NNE of Ute Park, New Mexico · 1153 days ago · 5 km deep · 46 km away
  14. 1.818 km S of Weston, Colorado · 1154 days ago · 5 km deep · 26 km away
  15. 1.625 km WSW of Raton, New Mexico · 1164 days ago · 5 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kty5. Read Tue, Sep 22, 2026, 11:13 AM UTC.