Utah earthquakes

M2.6 earthquake 7 km NNE of Sunnyside, Utah

A magnitude 2.6 earthquake struck 7 km NNE of Sunnyside, Utah on Tue, Aug 6, 1985, 4:10 AM MDT (10:10 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.9 7 km N of Sunnyside, Utah. This one was a foreshock.

East Carbon City 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
2.6 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
1985-08-06 10:10:24 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
39.617° N, 110.367° 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 2.0 km horizontally, 1.3 km in depth
Depth from
From location
Station coverage gap
235°, poorly surrounded by stations
Stations used
17

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 4 in the 30 days before it.

After

  1. 1.517 km ESE of Mount Pleasant, Utah · 15013 days ago · 3 km deep · 79 km away
  2. 2.48 km NNE of Sunnyside, Utah · 15007 days ago · 3 km deep · 2 km away
  3. 2.715 km ENE of Kenilworth, Utah · 15004 days ago · -2 km deep · 25 km away
  4. 2.77 km NNE of Sunnyside, Utah · 15002 days ago · 1 km deep · 0 km away
  5. 2.97 km N of Sunnyside, Utah · 15002 days ago · 3 km deep · 1 km away
  6. 2.66 km N of East Carbon City, Utah · 14995 days ago · 2 km deep · 4 km away
  7. 2.35 km N of East Carbon City, Utah · 14988 days ago · 4 km deep · 5 km away
  8. 2.67 km N of East Carbon City, Utah · 14985 days ago · 0 km deep · 5 km away
  9. 1.912 km WNW of Orangeville, Utah · 14984 days ago · 11 km deep · 81 km away
  10. 2.68 km N of Sunnyside, Utah · 14983 days ago · 5 km deep · 3 km away
  11. 2.313 km NW of Orangeville, Utah · 14982 days ago · 2 km deep · 78 km away
  12. 2.89 km NNE of Sunnyside, Utah · 14979 days ago · 3 km deep · 2 km away
  13. 2.117 km WNW of Orangeville, Utah · 14975 days ago · 8 km deep · 84 km away

Before

  1. 2.75 km NE of Sunnyside, Utah · 15032 days ago · 0 km deep · 5 km away
  2. 2.219 km NNW of East Carbon City, Utah · 15039 days ago · 10 km deep · 16 km away
  3. 2.68 km NNE of Sunnyside, Utah · 15049 days ago · 2 km deep · 1 km away
  4. 2.89 km N of Sunnyside, Utah · 15052 days ago · 3 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50023015. Read Fri, Oct 2, 2026, 7:17 PM UTC.