New Mexico earthquakes

M3.4 earthquake 24 km S of Weston, Colorado

A magnitude 3.4 earthquake struck 24 km S of Weston, Colorado on Sun, Aug 6, 2023, 4:27 AM MDT (10:27 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.0 19 km SSW of Weston, Colorado. This one was a foreshock.

Raton forecastMore in New Mexico

Map

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

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The earthquake

Magnitude
3.4 (mwr), minor
Local time
UTC
2023-08-06 10:27:58 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
36.907° N, 104.840° W
Felt reports
5
Strongest shaking
IV, light shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
IV, light shaking
Peak ground acceleration
4.2% of gravity
Peak ground velocity
0.8 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

5 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Oblique normal
Moment magnitude
3.4 Mwr
Nodal plane 1
Strike 349°, dip 86°, rake -135°
Nodal plane 2
Strike 255°, dip 45°, rake -5°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.3 km horizontally, 6.6 km in depth
Depth from
From location
Station coverage gap
23°
Stations used
54

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 11 in the 30 days before it.

After

  1. 1.823 km S of Weston, Colorado · 1144 days ago · 6 km deep · 1 km away
  2. 2.020 km S of Weston, Colorado · 1143 days ago · 5 km deep · 5 km away
  3. 2.2New Mexico · 1141 days ago · 5 km deep · 3 km away
  4. 2.023 km S of Weston, Colorado · 1140 days ago · 5 km deep · 1 km away
  5. 2.37 km N of Segundo, Colorado · 1140 days ago · 5 km deep · 32 km away
  6. 1.623 km SSW of Segundo, Colorado · 1139 days ago · 5 km deep · 2 km away
  7. 1.6New Mexico · 1138 days ago · 5 km deep · 3 km away
  8. 1.623 km SSW of Segundo, Colorado · 1138 days ago · 5 km deep · 2 km away
  9. 1.5New Mexico · 1138 days ago · 5 km deep · 2 km away
  10. 1.924 km SSW of Segundo, Colorado · 1136 days ago · 5 km deep · 1 km away
  11. 1.923 km S of Segundo, Colorado · 1134 days ago · 5 km deep · 4 km away
  12. 1.5New Mexico · 1132 days ago · 5 km deep · 7 km away
  13. 3.29 km N of Segundo, Colorado · 1132 days ago · 5 km deep · 34 km away · felt by 3
  14. 3.0Colorado · 1132 days ago · 5 km deep · 33 km away · felt by 4
  15. 1.5Colorado · 1129 days ago · 5 km deep · 53 km away
  16. 1.718 km S of Weston, Colorado · 1128 days ago · 5 km deep · 7 km away
  17. 3.3Colorado · 1124 days ago · 7 km deep · 16 km away · felt by 3
  18. 4.019 km SSW of Weston, Colorado · 1124 days ago · 4 km deep · 11 km away · felt by 22
  19. 1.717 km SSE of Stonewall Gap, Colorado · 1124 days ago · 5 km deep · 16 km away
  20. 1.813 km SSE of Stonewall Gap, Colorado · 1123 days ago · 5 km deep · 20 km away
  21. 2.114 km S of Stonewall Gap, Colorado · 1123 days ago · 5 km deep · 21 km away
  22. 1.914 km SSE of Stonewall Gap, Colorado · 1122 days ago · 5 km deep · 20 km away
  23. 1.615 km SSW of Weston, Colorado · 1122 days ago · 5 km deep · 12 km away
  24. 2.715 km SSE of Stonewall Gap, Colorado · 1122 days ago · 5 km deep · 19 km away
  25. 1.714 km S of Stonewall Gap, Colorado · 1121 days ago · 5 km deep · 20 km away
  26. 1.9New Mexico · 1121 days ago · 5 km deep · 8 km away
  27. 2.416 km SSE of Stonewall Gap, Colorado · 1120 days ago · 8 km deep · 17 km away
  28. 2.811 km S of Stonewall Gap, Colorado · 1119 days ago · 5 km deep · 23 km away
  29. 1.514 km SSE of Stonewall Gap, Colorado · 1119 days ago · 5 km deep · 20 km away
  30. 1.712 km S of Stonewall Gap, Colorado · 1119 days ago · 5 km deep · 21 km away
  31. 1.514 km SSE of Stonewall Gap, Colorado · 1117 days ago · 5 km deep · 19 km away
  32. 2.313 km SSE of Stonewall Gap, Colorado · 1117 days ago · 5 km deep · 19 km away
  33. 1.911 km SSE of Stonewall Gap, Colorado · 1116 days ago · 5 km deep · 21 km away
  34. 1.57 km N of El Moro, Colorado · 1115 days ago · 5 km deep · 54 km away
  35. 1.712 km SSE of Stonewall Gap, Colorado · 1115 days ago · 5 km deep · 20 km away
  36. 1.813 km S of Stonewall Gap, Colorado · 1115 days ago · 5 km deep · 21 km away
  37. 2.613 km SW of Weston, Colorado · 1114 days ago · 8 km deep · 18 km away
  38. 1.912 km SSE of Stonewall Gap, Colorado · 1114 days ago · 5 km deep · 20 km away
  39. 1.514 km SSE of Stonewall Gap, Colorado · 1113 days ago · 9 km deep · 19 km away
  40. 2.612 km SSE of Walsenburg, Colorado · 1113 days ago · 9 km deep · 68 km away
  41. 1.515 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 18 km away
  42. 1.813 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 19 km away
  43. 2.013 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 20 km away
  44. 1.814 km SSE of Stonewall Gap, Colorado · 1112 days ago · 5 km deep · 20 km away
  45. 1.58 km SE of Walsenburg, Colorado · 1111 days ago · 5 km deep · 74 km away
  46. 2.313 km SSE of Stonewall Gap, Colorado · 1111 days ago · 5 km deep · 20 km away
  47. 1.816 km S of Stonewall Gap, Colorado · 1110 days ago · 5 km deep · 19 km away
  48. 1.914 km S of Stonewall Gap, Colorado · 1110 days ago · 5 km deep · 20 km away
  49. 2.413 km SSE of Stonewall Gap, Colorado · 1109 days ago · 5 km deep · 19 km away
  50. 3.68 km NNW of Segundo, Colorado · 1108 days ago · 2 km deep · 33 km away · felt by 26
  51. 3.47 km N of Valdez, Colorado · 1108 days ago · 7 km deep · 33 km away · felt by 9
  52. 2.59 km SE of Walsenburg, Colorado · 1108 days ago · 5 km deep · 73 km away
  53. 1.78 km N of Segundo, Colorado · 1108 days ago · 7 km deep · 34 km away
  54. 1.76 km N of Hoehne, Colorado · 1107 days ago · 5 km deep · 64 km away
  55. 1.97 km WNW of Hoehne, Colorado · 1107 days ago · 5 km deep · 56 km away
  56. 1.98 km N of El Moro, Colorado · 1107 days ago · 5 km deep · 54 km away
  57. 2.27 km N of El Moro, Colorado · 1106 days ago · 5 km deep · 54 km away
  58. 1.79 km NNW of El Moro, Colorado · 1101 days ago · 5 km deep · 53 km away
  59. 1.59 km NNW of El Moro, Colorado · 1101 days ago · 5 km deep · 55 km away
  60. 1.58 km N of Segundo, Colorado · 1099 days ago · 5 km deep · 34 km away

The first 60 of 70.

Before

  1. 2.125 km S of Weston, Colorado · 1144 days ago · 5 km deep · 2 km away
  2. 2.623 km S of Weston, Colorado · 1144 days ago · 5 km deep · 3 km away
  3. 2.225 km S of Segundo, Colorado · 1144 days ago · 5 km deep · 3 km away
  4. 2.27 km NNW of El Moro, Colorado · 1144 days ago · 6 km deep · 53 km away
  5. 1.717 km SSE of Stonewall Gap, Colorado · 1149 days ago · 5 km deep · 16 km away
  6. 2.213 km NNW of Weston, Colorado · 1150 days ago · 5 km deep · 38 km away
  7. 1.712 km SSE of Stonewall Gap, Colorado · 1153 days ago · 5 km deep · 20 km away
  8. 2.330 km NNE of Ute Park, New Mexico · 1153 days ago · 5 km deep · 15 km away
  9. 1.818 km S of Weston, Colorado · 1155 days ago · 5 km deep · 6 km away
  10. 1.625 km WSW of Raton, New Mexico · 1164 days ago · 5 km deep · 12 km away
  11. 1.92 km S of Valdez, Colorado · 1170 days ago · 5 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ky98. Read Tue, Sep 22, 2026, 10:35 PM UTC.