Utah earthquakes

M2.0 earthquake 11 km SW of Independence, Utah

A magnitude 2.0 earthquake struck 11 km SW of Independence, Utah on Thu, Sep 22, 1983, 3:47 PM MDT (21:47 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.9 4 km NNE of West Valley City, Utah. This one was a foreshock.

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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
1983-09-22 21:47:51 UTC
Depth
8.6 km (5.4 mi), shallow
Epicenter
40.245° N, 111.365° 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 1.0 km horizontally, 1.3 km in depth
Depth from
From location
Station coverage gap
123°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.519 km NNW of Tabiona, Utah · 15703 days ago · 5 km deep · 56 km away
  2. 1.77 km E of Mount Pleasant, Utah · 15697 days ago · 6 km deep · 77 km away
  3. 3.94 km NNE of West Valley City, Utah · 15690 days ago · 12 km deep · 75 km away
  4. 2.74 km NNE of West Valley City, Utah · 15687 days ago · 9 km deep · 76 km away
  5. 2.05 km N of West Valley City, Utah · 15683 days ago · 2 km deep · 77 km away
  6. 1.64 km E of Heber City, Utah · 15677 days ago · 6 km deep · 29 km away
  7. 1.64 km NNE of West Valley City, Utah · 15676 days ago · 1 km deep · 75 km away
  8. 1.615 km NNW of Summit Park, Utah · 15660 days ago · 8 km deep · 75 km away
  9. 1.85 km SW of Bingham Canyon, Utah · 15650 days ago · 2 km deep · 75 km away

Before

  1. 1.613 km NW of Levan, Utah · 15716 days ago · 3 km deep · 85 km away
  2. 1.88 km NNW of Levan, Utah · 15716 days ago · 8 km deep · 84 km away
  3. 2.1Utah · 15720 days ago · 14 km deep · 87 km away
  4. 1.67 km S of Levan, Utah · 15727 days ago · 7 km deep · 94 km away
  5. 1.611 km SW of Levan, Utah · 15730 days ago · 1 km deep · 99 km away
  6. 3.010 km NE of Henefer, Utah · 15730 days ago · 11 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50010935. Read Tue, Sep 22, 2026, 3:59 PM UTC.