Utah earthquakes

M2.7 earthquake 8 km W of Thatcher, Utah

A magnitude 2.7 earthquake struck 8 km W of Thatcher, Utah on Tue, Sep 24, 1985, 5:55 PM MDT (23:55 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.7 16 km SE of Avon, Utah. This one was a foreshock.

Thatcher 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
2.7 (md), micro
Local time
UTC
1985-09-24 23:55:12 UTC
Depth
6.3 km (3.9 mi), shallow
Epicenter
41.681° N, 112.392° 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 4.8 km horizontally, 11.4 km in depth
Depth from
From location
Station coverage gap
157°
Stations used
4

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 5 in the 30 days before it.

After

  1. 2.08 km SW of Thatcher, Utah · 14979 days ago · 4 km deep · 4 km away
  2. 2.313 km ESE of Snowville, Utah · 14979 days ago · 5 km deep · 32 km away
  3. 1.613 km NNW of Howell, Utah · 14978 days ago · 13 km deep · 27 km away
  4. 1.813 km ESE of Snowville, Utah · 14976 days ago · 2 km deep · 32 km away
  5. 1.612 km E of Snowville, Utah · 14975 days ago · -2 km deep · 32 km away
  6. 1.813 km ESE of Snowville, Utah · 14975 days ago · 4 km deep · 31 km away
  7. 2.113 km E of Snowville, Utah · 14974 days ago · 7 km deep · 32 km away
  8. 1.713 km E of Snowville, Utah · 14973 days ago · 1 km deep · 32 km away
  9. 2.53 km WSW of Wellsville, Utah · 14970 days ago · 3 km deep · 36 km away
  10. 1.826 km SSW of Snowville, Utah · 14970 days ago · 6 km deep · 34 km away
  11. 1.914 km E of Snowville, Utah · 14968 days ago · 1 km deep · 33 km away
  12. 1.68 km NNW of Henefer, Utah · 14956 days ago · 7 km deep · 97 km away
  13. 2.716 km SE of Avon, Utah · 14952 days ago · 2 km deep · 66 km away
  14. 2.126 km SSW of Snowville, Utah · 14952 days ago · 9 km deep · 35 km away
  15. 2.125 km SSW of Snowville, Utah · 14950 days ago · 8 km deep · 35 km away
  16. 1.726 km SSW of Snowville, Utah · 14949 days ago · 8 km deep · 36 km away

Before

  1. 1.77 km WSW of Thatcher, Utah · 14981 days ago · 1 km deep · 2 km away
  2. 1.715 km S of Snowville, Utah · 14995 days ago · 6 km deep · 30 km away
  3. 1.818 km E of Snowville, Utah · 14997 days ago · 3 km deep · 33 km away
  4. 1.812 km SSW of Malad City, Idaho · 14997 days ago · 1 km deep · 46 km away
  5. 1.712 km S of Snowville, Utah · 15007 days ago · 10 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50024265. Read Mon, Sep 28, 2026, 8:49 PM UTC.