Utah earthquakes

M1.8 earthquake 14 km WNW of Emery, Utah

A magnitude 1.8 earthquake struck 14 km WNW of Emery, Utah on Fri, Mar 20, 1987, 9:41 PM MST (04:41 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.0 10 km WNW of Emery, Utah. This one was a foreshock.

Ferron 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
1.8 (md), micro
Local time
UTC
1987-03-21 04:41:41 UTC
Depth
3.6 km (2.2 mi), shallow
Epicenter
38.972° N, 111.400° 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 1.3 km horizontally, 1.6 km in depth
Depth from
From location
Station coverage gap
141°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.010 km WNW of Emery, Utah · 14431 days ago · 3 km deep · 4 km away
  2. 2.211 km WNW of Emery, Utah · 14424 days ago · 6 km deep · 3 km away
  3. 2.410 km W of Emery, Utah · 14424 days ago · -3 km deep · 5 km away
  4. 2.112 km WNW of Emery, Utah · 14424 days ago · -3 km deep · 3 km away
  5. 1.95 km WNW of Sigurd, Utah · 14411 days ago · 2 km deep · 56 km away
  6. 2.511 km WNW of Emery, Utah · 14409 days ago · 3 km deep · 3 km away
  7. 2.811 km W of Huntington, Utah · 14397 days ago · 6 km deep · 48 km away
  8. 3.14 km WSW of Joseph, Utah · 14395 days ago · 6 km deep · 85 km away
  9. 2.03 km SW of Joseph, Utah · 14395 days ago · 2 km deep · 84 km away
  10. 1.85 km SSW of Joseph, Utah · 14395 days ago · 1 km deep · 85 km away
  11. 2.415 km WNW of Huntington, Utah · 14388 days ago · 5 km deep · 48 km away
  12. 2.310 km W of Fayette, Utah · 14385 days ago · -3 km deep · 57 km away
  13. 2.56 km E of Leamington, Utah · 14384 days ago · -3 km deep · 94 km away
  14. 2.3Utah · 14379 days ago · 13 km deep · 46 km away

Before

  1. 2.29 km WNW of Emery, Utah · 14431 days ago · 4 km deep · 5 km away
  2. 2.218 km W of Emery, Utah · 14433 days ago · 12 km deep · 8 km away
  3. 2.317 km W of Emery, Utah · 14433 days ago · 10 km deep · 7 km away
  4. 2.912 km WNW of Emery, Utah · 14434 days ago · 3 km deep · 2 km away
  5. 2.613 km WNW of Huntington, Utah · 14439 days ago · 5 km deep · 49 km away
  6. 2.61 km S of Manti, Utah · 14440 days ago · 7 km deep · 37 km away
  7. 2.52 km SSE of Manti, Utah · 14440 days ago · 7 km deep · 37 km away
  8. 2.813 km WNW of Huntington, Utah · 14454 days ago · 3 km deep · 49 km away
  9. 2.515 km E of Oak City, Utah · 14456 days ago · 5 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50032060. Read Tue, Sep 22, 2026, 4:50 PM UTC.