Utah earthquakes

M2.1 earthquake 8 km NW of Helper, Utah

A magnitude 2.1 earthquake struck 8 km NW of Helper, Utah on Tue, Jul 27, 1982, 12:15 PM MDT (18:15 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.4 14 km NNW of Orangeville, 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
2.1 (md), micro
Local time
UTC
1982-07-27 18:15:40 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
39.737° N, 110.929° 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 0.9 km horizontally, 1.9 km in depth
Depth from
From location
Station coverage gap
169°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.118 km E of Kenilworth, Utah · 16120 days ago · 6 km deep · 29 km away
  2. 2.414 km NNW of Orangeville, Utah · 16120 days ago · 7 km deep · 48 km away
  3. 2.17 km NW of Helper, Utah · 16112 days ago · 4 km deep · 1 km away
  4. 2.12 km N of Santaquin, Utah · 16105 days ago · 2 km deep · 79 km away
  5. 2.315 km ENE of Kenilworth, Utah · 16105 days ago · 5 km deep · 26 km away
  6. 2.117 km NNW of Sunnyside, Utah · 16101 days ago · 16 km deep · 43 km away
  7. 2.29 km SSW of Wallsburg, Utah · 16098 days ago · 1 km deep · 77 km away
  8. 1.86 km WNW of Hiawatha, Utah · 16091 days ago · 0 km deep · 28 km away
  9. 2.520 km NW of East Carbon City, Utah · 16085 days ago · 12 km deep · 32 km away
  10. 2.012 km NNW of Orangeville, Utah · 16074 days ago · 7 km deep · 49 km away
  11. 2.312 km W of Huntington, Utah · 16074 days ago · 3 km deep · 47 km away
  12. 1.911 km W of Huntington, Utah · 16072 days ago · 6 km deep · 48 km away

Before

  1. 1.714 km N of Fayette, Utah · 16136 days ago · 4 km deep · 88 km away
  2. 1.815 km NNE of Fayette, Utah · 16136 days ago · 6 km deep · 87 km away
  3. 1.614 km NNE of Fayette, Utah · 16136 days ago · 3 km deep · 87 km away
  4. 2.311 km NNW of Orangeville, Utah · 16137 days ago · 3 km deep · 49 km away
  5. 1.714 km N of Fayette, Utah · 16138 days ago · 4 km deep · 88 km away
  6. 1.714 km NNE of Fayette, Utah · 16138 days ago · 2 km deep · 88 km away
  7. 2.120 km E of Kenilworth, Utah · 16141 days ago · 21 km deep · 31 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50005330. Read Wed, Sep 23, 2026, 11:23 PM UTC.