Utah earthquakes

M1.6 earthquake 19 km E of Mayfield, Utah

A magnitude 1.6 earthquake struck 19 km E of Mayfield, Utah on Mon, Jun 15, 1987, 10:23 PM MDT (04:23 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M1.7 2 km E of Gunnison, Utah. This one was a foreshock.

Mayfield 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
1.6 (md), micro
Local time
UTC
1987-06-16 04:23:29 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
39.121° N, 111.483° 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 0.9 km horizontally, 2.1 km in depth
Depth from
From location
Station coverage gap
85°
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: 13 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.72 km E of Gunnison, Utah · 14343 days ago · 9 km deep · 27 km away
  2. 3.223 km E of Glenwood, Utah · 14333 days ago · 4 km deep · 46 km away
  3. 2.524 km E of Glenwood, Utah · 14333 days ago · 6 km deep · 45 km away
  4. 1.919 km SW of Emery, Utah · 14330 days ago · 9 km deep · 37 km away
  5. 1.514 km NE of Leamington, Utah · 14316 days ago · 2 km deep · 82 km away
  6. 2.95 km N of Helper, Utah · 14314 days ago · 1 km deep · 88 km away
  7. 2.96 km SSE of Salina, Utah · 14311 days ago · 10 km deep · 40 km away
  8. 2.53 km SE of Salina, Utah · 14311 days ago · 5 km deep · 37 km away
  9. 2.13 km SE of Salina, Utah · 14311 days ago · 3 km deep · 36 km away
  10. 2.34 km SSE of Salina, Utah · 14311 days ago · 14 km deep · 39 km away
  11. 1.87 km E of Leamington, Utah · 14299 days ago · 5 km deep · 78 km away
  12. 2.68 km NW of Helper, Utah · 14296 days ago · 2 km deep · 83 km away
  13. 2.09 km NW of Helper, Utah · 14296 days ago · 3 km deep · 85 km away

Before

  1. 2.26 km W of Hiawatha, Utah · 14350 days ago · 14 km deep · 54 km away
  2. 2.68 km WNW of Hiawatha, Utah · 14350 days ago · 6 km deep · 55 km away
  3. 2.318 km WNW of Emery, Utah · 14351 days ago · 4 km deep · 16 km away
  4. 2.18 km NW of Helper, Utah · 14354 days ago · 2 km deep · 85 km away
  5. 2.88 km NW of Helper, Utah · 14356 days ago · 6 km deep · 84 km away
  6. 1.518 km NNW of Fayette, Utah · 14365 days ago · 14 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50032760. Read Tue, Sep 22, 2026, 10:27 PM UTC.