Utah earthquakes

M2.0 earthquake 18 km ESE of Ephraim, Utah

A magnitude 2.0 earthquake struck 18 km ESE of Ephraim, Utah on Tue, May 10, 1983, 4:49 PM MDT (22:49 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.1 13 km NNW of Orangeville, Utah. This one was a foreshock.

Ephraim 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
2.0 (md), micro
Local time
UTC
1983-05-10 22:49:34 UTC
Depth
22.9 km (14.2 mi), shallow
Epicenter
39.320° N, 111.381° 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 1.7 km horizontally, 2.5 km in depth
Depth from
From location
Station coverage gap
115°
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: 36 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 2.113 km NNW of Orangeville, Utah · 15841 days ago · 6 km deep · 21 km away
  2. 2.113 km NW of Orangeville, Utah · 15837 days ago · 6 km deep · 20 km away
  3. 1.811 km NW of Orangeville, Utah · 15832 days ago · 12 km deep · 20 km away
  4. 2.112 km WNW of Huntington, Utah · 15832 days ago · 4 km deep · 24 km away
  5. 2.014 km NNW of Orangeville, Utah · 15830 days ago · 2 km deep · 20 km away
  6. 2.212 km NW of Orangeville, Utah · 15829 days ago · 3 km deep · 20 km away
  7. 1.611 km NW of Fayette, Utah · 15828 days ago · 8 km deep · 49 km away
  8. 1.614 km NW of Orangeville, Utah · 15826 days ago · 7 km deep · 19 km away
  9. 2.112 km W of Huntington, Utah · 15823 days ago · 7 km deep · 23 km away
  10. 2.313 km W of Huntington, Utah · 15823 days ago · 7 km deep · 23 km away
  11. 2.412 km NNW of Orangeville, Utah · 15819 days ago · 7 km deep · 22 km away
  12. 1.930 km WSW of Emery, Utah · 15816 days ago · 7 km deep · 62 km away
  13. 1.86 km ENE of Leamington, Utah · 15814 days ago · 2 km deep · 76 km away
  14. 2.010 km WNW of Mona, Utah · 15811 days ago · 4 km deep · 78 km away
  15. 2.511 km WNW of Mona, Utah · 15811 days ago · 5 km deep · 78 km away
  16. 2.49 km WNW of Mona, Utah · 15811 days ago · 1 km deep · 77 km away
  17. 2.513 km W of Huntington, Utah · 15811 days ago · 5 km deep · 23 km away
  18. 2.310 km W of Huntington, Utah · 15806 days ago · 7 km deep · 25 km away
  19. 2.211 km NW of Orangeville, Utah · 15806 days ago · 8 km deep · 21 km away
  20. 1.915 km SSE of Mayfield, Utah · 15805 days ago · 17 km deep · 44 km away
  21. 2.514 km NW of Orangeville, Utah · 15805 days ago · 7 km deep · 19 km away
  22. 2.411 km NNW of Orangeville, Utah · 15804 days ago · 6 km deep · 23 km away
  23. 2.912 km W of Emery, Utah · 15804 days ago · 5 km deep · 43 km away
  24. 2.111 km NW of Orangeville, Utah · 15804 days ago · 8 km deep · 21 km away
  25. 1.810 km W of Huntington, Utah · 15803 days ago · 10 km deep · 25 km away
  26. 1.812 km NNW of Orangeville, Utah · 15803 days ago · 9 km deep · 22 km away
  27. 2.311 km NNW of Orangeville, Utah · 15802 days ago · 9 km deep · 24 km away
  28. 2.712 km W of Huntington, Utah · 15799 days ago · 4 km deep · 24 km away
  29. 2.511 km W of Huntington, Utah · 15797 days ago · 6 km deep · 24 km away
  30. 1.89 km W of Huntington, Utah · 15796 days ago · 2 km deep · 26 km away
  31. 3.013 km W of Huntington, Utah · 15792 days ago · 6 km deep · 22 km away
  32. 2.813 km W of Huntington, Utah · 15792 days ago · 6 km deep · 23 km away
  33. 2.011 km W of Huntington, Utah · 15791 days ago · 8 km deep · 24 km away
  34. 2.712 km W of Huntington, Utah · 15784 days ago · 4 km deep · 24 km away
  35. 1.64 km WNW of Wales, Utah · 15782 days ago · 2 km deep · 33 km away
  36. 1.94 km WNW of Wales, Utah · 15782 days ago · 2 km deep · 33 km away

Before

  1. 2.110 km NNW of Orangeville, Utah · 15841 days ago · 10 km deep · 24 km away
  2. 2.414 km NW of Orangeville, Utah · 15842 days ago · 3 km deep · 19 km away
  3. 1.811 km NNW of Orangeville, Utah · 15844 days ago · 8 km deep · 24 km away
  4. 2.113 km NW of Orangeville, Utah · 15844 days ago · 5 km deep · 20 km away
  5. 2.19 km NW of Orangeville, Utah · 15844 days ago · 3 km deep · 21 km away
  6. 2.212 km NW of Orangeville, Utah · 15846 days ago · 14 km deep · 20 km away
  7. 1.710 km NNW of Orangeville, Utah · 15846 days ago · 12 km deep · 23 km away
  8. 2.09 km NW of Orangeville, Utah · 15848 days ago · 13 km deep · 23 km away
  9. 1.720 km NW of Orangeville, Utah · 15848 days ago · 16 km deep · 13 km away
  10. 1.911 km NNW of Orangeville, Utah · 15848 days ago · 11 km deep · 23 km away
  11. 1.916 km NNE of Scipio, Utah · 15852 days ago · 3 km deep · 55 km away
  12. 2.513 km NW of Orangeville, Utah · 15852 days ago · -1 km deep · 20 km away
  13. 1.813 km NW of Orangeville, Utah · 15855 days ago · 9 km deep · 20 km away
  14. 1.81 km W of Huntington, Utah · 15855 days ago · 1 km deep · 34 km away
  15. 2.49 km NW of Orangeville, Utah · 15864 days ago · -1 km deep · 21 km away
  16. 2.213 km WNW of Huntington, Utah · 15867 days ago · 4 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50009555. Read Tue, Sep 22, 2026, 5:24 PM UTC.