Utah earthquakes

M2.3 earthquake Utah

A magnitude 2.3 earthquake struck in Utah on Tue, Sep 9, 1986, 3:22 PM MDT (21:22 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.6 10 km ESE of Scipio, 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
2.3 (md), micro
Local time
UTC
1986-09-09 21:22:52 UTC
Depth
1.9 km (1.1 mi), shallow
Epicenter
39.541° N, 112.230° 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 1.2 km horizontally, 13.9 km in depth
Depth from
From location
Station coverage gap
157°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.616 km NNW of Fayette, Utah · 14628 days ago · 11 km deep · 34 km away
  2. 2.615 km W of Emery, Utah · 14627 days ago · 5 km deep · 97 km away
  3. 2.69 km WNW of Emery, Utah · 14622 days ago · 0 km deep · 100 km away
  4. 2.110 km W of Fayette, Utah · 14597 days ago · 2 km deep · 42 km away
  5. 1.79 km W of Fayette, Utah · 14591 days ago · 2 km deep · 42 km away
  6. 1.710 km W of Fayette, Utah · 14589 days ago · -2 km deep · 41 km away
  7. 2.310 km W of Fayette, Utah · 14589 days ago · -1 km deep · 41 km away
  8. 2.610 km ESE of Scipio, Utah · 14589 days ago · 2 km deep · 41 km away
  9. 1.610 km E of Scipio, Utah · 14588 days ago · 13 km deep · 39 km away
  10. 2.310 km W of Fayette, Utah · 14587 days ago · 0 km deep · 41 km away
  11. 2.19 km W of Fayette, Utah · 14587 days ago · 2 km deep · 41 km away
  12. 1.79 km W of Fayette, Utah · 14587 days ago · 2 km deep · 42 km away
  13. 2.310 km W of Fayette, Utah · 14587 days ago · 2 km deep · 41 km away
  14. 1.77 km SSE of Saratoga Springs, Utah · 14581 days ago · 3 km deep · 89 km away
  15. 1.820 km W of Nephi, Utah · 14578 days ago · 4 km deep · 23 km away
  16. 1.716 km NNW of Fayette, Utah · 14573 days ago · 15 km deep · 34 km away

Before

  1. 3.015 km WNW of Emery, Utah · 14640 days ago · 8 km deep · 94 km away
  2. 1.812 km WNW of Emery, Utah · 14648 days ago · 3 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50029880. Read Wed, Sep 30, 2026, 8:10 AM UTC.