Utah earthquakes

M4.1 earthquake 86 km E of Montello, Nevada

A magnitude 4.1 earthquake struck 86 km E of Montello, Nevada on Fri, Oct 23, 1987, 1:44 PM MDT (19:44 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.6 85 km E of Montello, Nevada. This one was a foreshock.

Hooper forecastMore in Utah

Map

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

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The earthquake

Magnitude
4.1 (ml), light
Local time
UTC
1987-10-23 19:44:50 UTC
Depth
9.4 km (5.9 mi), shallow
Epicenter
41.186° N, 113.173° W
Region
Utah
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 0.7 km horizontally, 0.5 km in depth
Depth from
From location
Station coverage gap
115°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 73 in the 60 days after this one and 63 in the 30 days before it.

After

  1. 1.985 km E of Montello, Nevada · 14213 days ago · 7 km deep · 1 km away
  2. 2.685 km E of Montello, Nevada · 14213 days ago · 10 km deep · 1 km away
  3. 1.886 km E of Montello, Nevada · 14213 days ago · 10 km deep · 0 km away
  4. 1.783 km E of Montello, Nevada · 14213 days ago · 7 km deep · 4 km away
  5. 2.084 km E of Montello, Nevada · 14213 days ago · 6 km deep · 4 km away
  6. 2.486 km E of Montello, Nevada · 14213 days ago · 8 km deep · 1 km away
  7. 1.686 km E of Montello, Nevada · 14213 days ago · 7 km deep · 1 km away
  8. 1.686 km E of Montello, Nevada · 14213 days ago · 8 km deep · 1 km away
  9. 2.685 km E of Montello, Nevada · 14212 days ago · 9 km deep · 0 km away
  10. 3.085 km E of Montello, Nevada · 14212 days ago · 9 km deep · 0 km away
  11. 2.885 km E of Montello, Nevada · 14212 days ago · 10 km deep · 1 km away
  12. 2.018 km SW of Thatcher, Utah · 14211 days ago · 7 km deep · 74 km away
  13. 2.311 km E of Snowville, Utah · 14211 days ago · 9 km deep · 98 km away
  14. 4.685 km E of Montello, Nevada · 14211 days ago · 10 km deep · 2 km away
  15. 2.484 km E of Montello, Nevada · 14211 days ago · 8 km deep · 3 km away
  16. 1.685 km E of Montello, Nevada · 14211 days ago · 11 km deep · 2 km away
  17. 1.586 km E of Montello, Nevada · 14211 days ago · 8 km deep · 1 km away
  18. 1.885 km E of Montello, Nevada · 14210 days ago · 10 km deep · 1 km away
  19. 1.885 km E of Montello, Nevada · 14210 days ago · 7 km deep · 3 km away
  20. 1.585 km E of Montello, Nevada · 14210 days ago · 6 km deep · 1 km away
  21. 2.086 km E of Montello, Nevada · 14210 days ago · 6 km deep · 1 km away
  22. 1.585 km E of Montello, Nevada · 14210 days ago · 7 km deep · 1 km away
  23. 1.785 km E of Montello, Nevada · 14209 days ago · 6 km deep · 2 km away
  24. 1.785 km E of Montello, Nevada · 14209 days ago · 9 km deep · 2 km away
  25. 2.386 km W of Hooper, Utah · 14208 days ago · 8 km deep · 1 km away
  26. 1.985 km E of Montello, Nevada · 14208 days ago · 9 km deep · 1 km away
  27. 1.812 km E of Snowville, Utah · 14208 days ago · 8 km deep · 98 km away
  28. 1.786 km E of Montello, Nevada · 14208 days ago · 7 km deep · 1 km away
  29. 1.885 km E of Montello, Nevada · 14207 days ago · 7 km deep · 1 km away
  30. 1.785 km E of Montello, Nevada · 14207 days ago · 10 km deep · 0 km away
  31. 1.687 km W of Hooper, Utah · 14207 days ago · 7 km deep · 1 km away
  32. 1.686 km E of Montello, Nevada · 14207 days ago · 7 km deep · 1 km away
  33. 1.986 km E of Montello, Nevada · 14206 days ago · 9 km deep · 1 km away
  34. 1.586 km E of Montello, Nevada · 14206 days ago · 7 km deep · 1 km away
  35. 1.784 km E of Montello, Nevada · 14206 days ago · 5 km deep · 3 km away
  36. 1.684 km E of Montello, Nevada · 14206 days ago · 9 km deep · 1 km away
  37. 1.683 km E of Montello, Nevada · 14205 days ago · 4 km deep · 3 km away
  38. 1.785 km E of Montello, Nevada · 14205 days ago · 7 km deep · 2 km away
  39. 1.784 km E of Montello, Nevada · 14204 days ago · 6 km deep · 4 km away
  40. 1.585 km E of Montello, Nevada · 14203 days ago · 5 km deep · 1 km away
  41. 1.685 km E of Montello, Nevada · 14203 days ago · 6 km deep · 2 km away
  42. 1.586 km E of Montello, Nevada · 14203 days ago · 6 km deep · 2 km away
  43. 1.96 km SE of Snowville, Utah · 14202 days ago · 9 km deep · 94 km away
  44. 2.284 km E of Montello, Nevada · 14200 days ago · 9 km deep · 2 km away
  45. 2.084 km E of Montello, Nevada · 14200 days ago · 8 km deep · 2 km away
  46. 2.783 km E of Montello, Nevada · 14199 days ago · 9 km deep · 4 km away
  47. 2.084 km E of Montello, Nevada · 14198 days ago · 6 km deep · 4 km away
  48. 2.685 km E of Montello, Nevada · 14197 days ago · 9 km deep · 1 km away
  49. 1.985 km E of Montello, Nevada · 14196 days ago · 6 km deep · 2 km away
  50. 2.285 km E of Montello, Nevada · 14194 days ago · 9 km deep · 1 km away
  51. 1.713 km ESE of Snowville, Utah · 14192 days ago · 6 km deep · 94 km away
  52. 1.784 km E of Montello, Nevada · 14192 days ago · 4 km deep · 4 km away
  53. 1.686 km E of Montello, Nevada · 14192 days ago · 6 km deep · 0 km away
  54. 1.684 km E of Montello, Nevada · 14192 days ago · 6 km deep · 3 km away
  55. 1.7Utah · 14189 days ago · 0 km deep · 3 km away
  56. 2.886 km E of Montello, Nevada · 14189 days ago · 8 km deep · 1 km away
  57. 1.683 km E of Montello, Nevada · 14188 days ago · 5 km deep · 2 km away
  58. 1.884 km E of Montello, Nevada · 14183 days ago · 5 km deep · 2 km away
  59. 1.619 km SW of Thatcher, Utah · 14181 days ago · 0 km deep · 74 km away
  60. 1.884 km E of Montello, Nevada · 14179 days ago · 4 km deep · 3 km away

The first 60 of 73.

Before

  1. 1.777 km E of Montello, Nevada · 14214 days ago · 20 km deep · 10 km away
  2. 1.984 km E of Montello, Nevada · 14217 days ago · 11 km deep · 2 km away
  3. 2.118 km SW of Thatcher, Utah · 14219 days ago · 8 km deep · 74 km away
  4. 1.684 km E of Montello, Nevada · 14221 days ago · 5 km deep · 2 km away
  5. 1.784 km E of Montello, Nevada · 14222 days ago · 7 km deep · 2 km away
  6. 1.985 km E of Montello, Nevada · 14222 days ago · 9 km deep · 1 km away
  7. 1.786 km W of Hooper, Utah · 14222 days ago · 7 km deep · 2 km away
  8. 1.519 km SW of Thatcher, Utah · 14224 days ago · 3 km deep · 74 km away
  9. 1.684 km E of Montello, Nevada · 14227 days ago · 5 km deep · 3 km away
  10. 1.886 km E of Montello, Nevada · 14228 days ago · 6 km deep · 2 km away
  11. 1.683 km W of Hooper, Utah · 14228 days ago · 11 km deep · 5 km away
  12. 1.985 km E of Montello, Nevada · 14230 days ago · 9 km deep · 2 km away
  13. 1.783 km E of Montello, Nevada · 14230 days ago · 7 km deep · 4 km away
  14. 1.785 km E of Montello, Nevada · 14231 days ago · 5 km deep · 2 km away
  15. 2.385 km E of Montello, Nevada · 14231 days ago · 9 km deep · 2 km away
  16. 1.681 km E of Montello, Nevada · 14231 days ago · 8 km deep · 5 km away
  17. 1.884 km E of Montello, Nevada · 14232 days ago · 7 km deep · 3 km away
  18. 3.385 km W of Hooper, Utah · 14232 days ago · 14 km deep · 3 km away
  19. 1.584 km E of Montello, Nevada · 14232 days ago · 5 km deep · 5 km away
  20. 3.120 km SW of Thatcher, Utah · 14233 days ago · 21 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50034055 (also filed as usp00039hv). Read Tue, Sep 22, 2026, 6:11 AM UTC.