Utah earthquakes

M1.8 earthquake 6 km NNW of Helper, Utah

A magnitude 1.8 earthquake struck 6 km NNW of Helper, Utah on Wed, Jun 23, 1982, 7:10 AM MDT (13:10 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M2.1 19 km ESE of Sterling, Utah. This one was a foreshock.

Helper 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
1.8 (md), micro
Local time
UTC
1982-06-23 13:10:49 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
39.738° N, 110.897° 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, 0.9 km in depth
Depth from
From location
Station coverage gap
170°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.119 km ESE of Sterling, Utah · 16163 days ago · 4 km deep · 84 km away
  2. 1.6Utah · 16160 days ago · 1 km deep · 84 km away
  3. 1.714 km NNE of Fayette, Utah · 16160 days ago · 7 km deep · 90 km away
  4. 1.515 km NNE of Fayette, Utah · 16160 days ago · 6 km deep · 89 km away
  5. 1.99 km SSW of Wallsburg, Utah · 16160 days ago · 1 km deep · 80 km away
  6. 2.120 km E of Kenilworth, Utah · 16141 days ago · 21 km deep · 28 km away
  7. 1.714 km NNE of Fayette, Utah · 16138 days ago · 2 km deep · 90 km away
  8. 1.714 km N of Fayette, Utah · 16138 days ago · 4 km deep · 91 km away
  9. 2.311 km NNW of Orangeville, Utah · 16137 days ago · 3 km deep · 50 km away
  10. 1.614 km NNE of Fayette, Utah · 16136 days ago · 3 km deep · 90 km away
  11. 1.815 km NNE of Fayette, Utah · 16136 days ago · 6 km deep · 89 km away
  12. 1.714 km N of Fayette, Utah · 16136 days ago · 4 km deep · 90 km away
  13. 2.18 km NW of Helper, Utah · 16129 days ago · 1 km deep · 3 km away
  14. 2.118 km E of Kenilworth, Utah · 16120 days ago · 6 km deep · 26 km away
  15. 2.414 km NNW of Orangeville, Utah · 16120 days ago · 7 km deep · 49 km away
  16. 2.17 km NW of Helper, Utah · 16112 days ago · 4 km deep · 2 km away
  17. 2.12 km N of Santaquin, Utah · 16105 days ago · 2 km deep · 81 km away
  18. 2.315 km ENE of Kenilworth, Utah · 16105 days ago · 5 km deep · 23 km away

Before

  1. 1.811 km E of Kenilworth, Utah · 16167 days ago · 6 km deep · 20 km away
  2. 2.212 km NNW of Orangeville, Utah · 16168 days ago · 9 km deep · 49 km away
  3. 1.89 km SSE of Levan, Utah · 16168 days ago · 5 km deep · 85 km away
  4. 1.910 km NW of Orangeville, Utah · 16169 days ago · 7 km deep · 54 km away
  5. 2.111 km NNW of Orangeville, Utah · 16171 days ago · 10 km deep · 50 km away
  6. 1.9Utah · 16177 days ago · -1 km deep · 4 km away
  7. 1.619 km SE of Manti, Utah · 16191 days ago · 5 km deep · 81 km away
  8. 2.311 km NNW of Orangeville, Utah · 16192 days ago · 13 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50005045. Read Wed, Sep 23, 2026, 11:19 PM UTC.