Utah earthquakes

M1.9 earthquake 5 km WNW of Sigurd, Utah

A magnitude 1.9 earthquake struck 5 km WNW of Sigurd, Utah on Thu, Apr 9, 1987, 8:33 PM MDT (02:33 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.1 4 km WSW of Joseph, Utah. This one was a foreshock.

Richfield 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
1.9 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
1987-04-10 02:33:08 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
38.852° N, 112.032° 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 1.7 km horizontally, 28.8 km in depth
Depth from
From location
Station coverage gap
98°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.511 km WNW of Emery, Utah · 14420 days ago · 3 km deep · 58 km away
  2. 2.811 km W of Huntington, Utah · 14408 days ago · 6 km deep · 97 km away
  3. 3.14 km WSW of Joseph, Utah · 14406 days ago · 6 km deep · 33 km away
  4. 2.03 km SW of Joseph, Utah · 14406 days ago · 2 km deep · 34 km away
  5. 1.85 km SSW of Joseph, Utah · 14406 days ago · 1 km deep · 35 km away
  6. 2.05 km WSW of Beaver, Utah · 14404 days ago · -1 km deep · 88 km away
  7. 2.415 km WNW of Huntington, Utah · 14399 days ago · 5 km deep · 95 km away
  8. 2.310 km W of Fayette, Utah · 14396 days ago · -3 km deep · 41 km away
  9. 2.56 km E of Leamington, Utah · 14395 days ago · -3 km deep · 78 km away
  10. 2.3Utah · 14390 days ago · 13 km deep · 95 km away
  11. 2.710 km N of Junction, Utah · 14387 days ago · 2 km deep · 61 km away
  12. 1.68 km NNW of Junction, Utah · 14383 days ago · 4 km deep · 62 km away
  13. 1.518 km NNW of Fayette, Utah · 14376 days ago · 14 km deep · 60 km away
  14. 2.331 km N of Beaver, Utah · 14366 days ago · 0 km deep · 62 km away
  15. 2.318 km WNW of Emery, Utah · 14362 days ago · 4 km deep · 52 km away

Before

  1. 2.112 km WNW of Emery, Utah · 14435 days ago · -3 km deep · 57 km away
  2. 2.410 km W of Emery, Utah · 14435 days ago · -3 km deep · 58 km away
  3. 2.211 km WNW of Emery, Utah · 14435 days ago · 6 km deep · 58 km away
  4. 2.010 km WNW of Emery, Utah · 14441 days ago · 3 km deep · 58 km away
  5. 1.814 km WNW of Emery, Utah · 14441 days ago · 4 km deep · 56 km away
  6. 2.29 km WNW of Emery, Utah · 14442 days ago · 4 km deep · 59 km away
  7. 2.218 km W of Emery, Utah · 14443 days ago · 12 km deep · 50 km away
  8. 2.317 km W of Emery, Utah · 14443 days ago · 10 km deep · 51 km away
  9. 2.912 km WNW of Emery, Utah · 14445 days ago · 3 km deep · 58 km away
  10. 2.613 km WNW of Huntington, Utah · 14450 days ago · 5 km deep · 97 km away
  11. 2.61 km S of Manti, Utah · 14451 days ago · 7 km deep · 56 km away
  12. 2.52 km SSE of Manti, Utah · 14451 days ago · 7 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50032325. Read Sat, Oct 3, 2026, 12:58 PM UTC.