Utah earthquakes

M2.3 earthquake 11 km SSW of Kanosh, Utah

A magnitude 2.3 earthquake struck 11 km SSW of Kanosh, Utah on Fri, Aug 28, 1987, 7:35 PM MDT (01:35 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.3 14 km WSW of Kanosh, 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
1987-08-29 01:35:04 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
38.711° N, 112.510° 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, 2.5 km in depth
Depth from
From location
Station coverage gap
108°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 2.314 km WSW of Kanosh, Utah · 14269 days ago · -3 km deep · 6 km away
  2. 2.311 km SW of Kanosh, Utah · 14269 days ago · 1 km deep · 2 km away
  3. 1.811 km SW of Kanosh, Utah · 14269 days ago · 6 km deep · 1 km away
  4. 2.810 km SW of Kanosh, Utah · 14269 days ago · 3 km deep · 2 km away
  5. 1.912 km SW of Kanosh, Utah · 14269 days ago · 4 km deep · 1 km away
  6. 1.611 km SW of Kanosh, Utah · 14268 days ago · 9 km deep · 1 km away
  7. 1.612 km SW of Kanosh, Utah · 14266 days ago · 6 km deep · 1 km away
  8. 1.830 km N of Beaver, Utah · 14266 days ago · 1 km deep · 21 km away
  9. 2.729 km N of Beaver, Utah · 14265 days ago · -3 km deep · 24 km away
  10. 1.827 km N of Beaver, Utah · 14265 days ago · 3 km deep · 26 km away
  11. 2.430 km N of Beaver, Utah · 14265 days ago · 0 km deep · 25 km away
  12. 3.230 km N of Beaver, Utah · 14265 days ago · 4 km deep · 23 km away
  13. 2.126 km N of Beaver, Utah · 14265 days ago · 6 km deep · 26 km away
  14. 2.430 km N of Beaver, Utah · 14265 days ago · -3 km deep · 25 km away
  15. 2.229 km N of Beaver, Utah · 14265 days ago · 0 km deep · 25 km away
  16. 2.729 km N of Beaver, Utah · 14265 days ago · 3 km deep · 25 km away
  17. 1.730 km N of Beaver, Utah · 14265 days ago · -1 km deep · 22 km away
  18. 1.529 km SSW of Kanosh, Utah · 14259 days ago · 4 km deep · 18 km away
  19. 2.05 km W of Joseph, Utah · 14258 days ago · 6 km deep · 21 km away
  20. 2.229 km SSW of Kanosh, Utah · 14245 days ago · 10 km deep · 18 km away

Before

  1. 2.213 km SW of Kanosh, Utah · 14269 days ago · 5 km deep · 1 km away
  2. 1.811 km WSW of Kanosh, Utah · 14269 days ago · 6 km deep · 6 km away
  3. 2.611 km SW of Kanosh, Utah · 14270 days ago · 8 km deep · 1 km away
  4. 2.47 km SW of Fayette, Utah · 14278 days ago · 0 km deep · 73 km away
  5. 1.87 km E of Leamington, Utah · 14298 days ago · 5 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50033355. Read Tue, Sep 22, 2026, 11:12 AM UTC.