Colorado earthquakes

M1.8 earthquake 8 km N of Segundo, Colorado

A magnitude 1.8 earthquake struck 8 km N of Segundo, Colorado on Sun, Mar 5, 2023, 9:03 AM MST (16:03 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.3 6 km NNE 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
1.8 (ml), micro
Local time
UTC
2023-03-05 16:03:04 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
37.198° N, 104.764° 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 2.0 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
111°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.87 km N of Segundo, Colorado · 1300 days ago · 5 km deep · 0 km away
  2. 1.922 km SSW of Weston, Colorado · 1298 days ago · 5 km deep · 32 km away
  3. 4.36 km NNE of Segundo, Colorado · 1297 days ago · 6 km deep · 4 km away · felt by 107
  4. 1.89 km N of Segundo, Colorado · 1297 days ago · 6 km deep · 2 km away
  5. 2.57 km N of Segundo, Colorado · 1297 days ago · 6 km deep · 2 km away · felt by 5
  6. 2.57 km N of Segundo, Colorado · 1297 days ago · 6 km deep · 1 km away · felt by 3
  7. 1.88 km N of Segundo, Colorado · 1297 days ago · 7 km deep · 2 km away
  8. 1.88 km N of Segundo, Colorado · 1297 days ago · 7 km deep · 2 km away
  9. 3.011 km N of Segundo, Colorado · 1297 days ago · 2 km deep · 4 km away · felt by 10
  10. 3.58 km N of Segundo, Colorado · 1297 days ago · 3 km deep · 2 km away · felt by 11
  11. 3.95 km N of Sequndo, Colorado · 1297 days ago · 4 km deep · 4 km away · felt by 14
  12. 2.0Colorado · 1296 days ago · 6 km deep · 2 km away · felt by 1
  13. 1.97 km N of Segundo, Colorado · 1296 days ago · 6 km deep · 1 km away
  14. 1.68 km NNE of Segundo, Colorado · 1295 days ago · 5 km deep · 3 km away
  15. 1.910 km NNW of Segundo, Colorado · 1295 days ago · 5 km deep · 3 km away
  16. 1.68 km NNW of Segundo, Colorado · 1295 days ago · 5 km deep · 1 km away
  17. 2.48 km N of Segundo, Colorado · 1294 days ago · 6 km deep · 2 km away
  18. 1.811 km NNW of Segundo, Colorado · 1294 days ago · 5 km deep · 3 km away
  19. 1.58 km N of Segundo, Colorado · 1293 days ago · 5 km deep · 1 km away
  20. 3.26 km NNW of Segundo, Colorado · 1293 days ago · 7 km deep · 2 km away · felt by 8
  21. 1.5Colorado · 1293 days ago · 5 km deep · 4 km away
  22. 1.610 km N of Segundo, Colorado · 1292 days ago · 5 km deep · 3 km away
  23. 1.59 km N of Segundo, Colorado · 1292 days ago · 5 km deep · 2 km away
  24. 1.729 km NNE of Ute Park, New Mexico · 1291 days ago · 5 km deep · 48 km away
  25. 2.28 km N of Segundo, Colorado · 1289 days ago · 6 km deep · 1 km away
  26. 2.98 km N of Segundo, Colorado · 1288 days ago · 6 km deep · 1 km away · felt by 10
  27. 3.84 km WNW of Hoehne, Colorado · 1288 days ago · 6 km deep · 31 km away · felt by 54
  28. 1.88 km N of Segundo, Colorado · 1281 days ago · 6 km deep · 1 km away
  29. 1.76 km NNE of Segundo, Colorado · 1281 days ago · 7 km deep · 3 km away · felt by 2
  30. 2.011 km NNW of Segundo, Colorado · 1280 days ago · 7 km deep · 4 km away
  31. 1.816 km NNE of Weston, Colorado · 1279 days ago · 5 km deep · 10 km away
  32. 1.812 km SSE of Stonewall Gap, Colorado · 1277 days ago · 5 km deep · 27 km away
  33. 2.1Colorado · 1273 days ago · 5 km deep · 29 km away
  34. 1.519 km S of Weston, Colorado · 1271 days ago · 5 km deep · 28 km away
  35. 2.07 km N of Segundo, Colorado · 1271 days ago · 6 km deep · 1 km away
  36. 2.0Colorado · 1270 days ago · 7 km deep · 2 km away
  37. 1.57 km N of Segundo, Colorado · 1266 days ago · 5 km deep · 1 km away
  38. 1.513 km SW of Weston, Colorado · 1260 days ago · 5 km deep · 24 km away
  39. 1.514 km SSE of Stonewall Gap, Colorado · 1260 days ago · 5 km deep · 26 km away
  40. 1.56 km NNW of Segundo, Colorado · 1260 days ago · 5 km deep · 2 km away
  41. 1.66 km W of El Moro, Colorado · 1260 days ago · 5 km deep · 20 km away
  42. 2.17 km N of Segundo, Colorado · 1259 days ago · 5 km deep · 2 km away
  43. 1.7Colorado · 1258 days ago · 5 km deep · 2 km away
  44. 2.87 km N of Segundo, Colorado · 1257 days ago · 7 km deep · 2 km away · felt by 2
  45. 1.74 km NNW of Hoehne, Colorado · 1253 days ago · 5 km deep · 35 km away
  46. 1.921 km NE of Hoehne, Colorado · 1251 days ago · 5 km deep · 56 km away
  47. 2.77 km N of Segundo, Colorado · 1247 days ago · 6 km deep · 2 km away
  48. 1.527 km S of Segundo, Colorado · 1245 days ago · 5 km deep · 35 km away
  49. 3.333 km WSW of Raton, New Mexico · 1244 days ago · 4 km deep · 43 km away · felt by 1
  50. 3.48 km N of Segundo, Colorado · 1242 days ago · 4 km deep · 1 km away · felt by 7
  51. 2.024 km S of Weston, Colorado · 1242 days ago · 7 km deep · 33 km away

Before

  1. 2.08 km N of Segundo, Colorado · 1302 days ago · 5 km deep · 1 km away
  2. 1.822 km S of Weston, Colorado · 1304 days ago · 5 km deep · 30 km away
  3. 2.64 km WNW of El Moro, Colorado · 1305 days ago · 7 km deep · 23 km away · felt by 6
  4. 1.67 km N of Segundo, Colorado · 1309 days ago · 5 km deep · 0 km away
  5. 2.418 km S of Weston, Colorado · 1311 days ago · 6 km deep · 28 km away
  6. 2.46 km W of El Moro, Colorado · 1317 days ago · 5 km deep · 20 km away
  7. 2.626 km S of Weston, Colorado · 1317 days ago · 5 km deep · 34 km away
  8. 2.125 km S of Weston, Colorado · 1318 days ago · 5 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k2cb. Read Sun, Sep 27, 2026, 8:03 AM UTC.