Utah earthquakes

M2.1 earthquake 7 km NW of Helper, Utah

A magnitude 2.1 earthquake struck 7 km NW of Helper, Utah on Fri, Aug 13, 1982, 7:56 AM MDT (13:56 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M2.7 9 km NW 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
1982-08-13 13:56:21 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
39.732° N, 110.913° 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 1.8 km horizontally, 2.6 km in depth
Depth from
From location
Station coverage gap
170°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.12 km N of Santaquin, Utah · 16109 days ago · 2 km deep · 80 km away
  2. 2.315 km ENE of Kenilworth, Utah · 16108 days ago · 5 km deep · 24 km away
  3. 2.117 km NNW of Sunnyside, Utah · 16104 days ago · 16 km deep · 41 km away
  4. 2.29 km SSW of Wallsburg, Utah · 16101 days ago · 1 km deep · 78 km away
  5. 1.86 km WNW of Hiawatha, Utah · 16095 days ago · 0 km deep · 28 km away
  6. 2.520 km NW of East Carbon City, Utah · 16088 days ago · 12 km deep · 31 km away
  7. 2.012 km NNW of Orangeville, Utah · 16078 days ago · 7 km deep · 49 km away
  8. 2.312 km W of Huntington, Utah · 16077 days ago · 3 km deep · 47 km away
  9. 1.911 km W of Huntington, Utah · 16075 days ago · 6 km deep · 48 km away
  10. 2.00 km S of Hiawatha, Utah · 16071 days ago · 14 km deep · 30 km away
  11. 2.79 km NW of Orangeville, Utah · 16070 days ago · 12 km deep · 53 km away
  12. 2.33 km NW of Hiawatha, Utah · 16070 days ago · 4 km deep · 28 km away
  13. 1.64 km W of Hiawatha, Utah · 16065 days ago · 2 km deep · 31 km away

Before

  1. 2.414 km NNW of Orangeville, Utah · 16123 days ago · 7 km deep · 48 km away
  2. 2.118 km E of Kenilworth, Utah · 16123 days ago · 6 km deep · 28 km away
  3. 2.18 km NW of Helper, Utah · 16133 days ago · 1 km deep · 1 km away
  4. 1.714 km N of Fayette, Utah · 16139 days ago · 4 km deep · 89 km away
  5. 1.815 km NNE of Fayette, Utah · 16140 days ago · 6 km deep · 87 km away
  6. 1.614 km NNE of Fayette, Utah · 16140 days ago · 3 km deep · 88 km away
  7. 2.311 km NNW of Orangeville, Utah · 16140 days ago · 3 km deep · 49 km away
  8. 1.714 km N of Fayette, Utah · 16141 days ago · 4 km deep · 89 km away
  9. 1.714 km NNE of Fayette, Utah · 16141 days ago · 2 km deep · 89 km away
  10. 2.120 km E of Kenilworth, Utah · 16144 days ago · 21 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50005415. Read Sun, Sep 27, 2026, 5:49 AM UTC.