Utah earthquakes

M1.8 earthquake 9 km ENE of Howell, Utah

A magnitude 1.8 earthquake struck 9 km ENE of Howell, Utah on Wed, Apr 1, 1987, 9:54 AM MST (16:54 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.2 12 km SSE of Snowville, 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
1.8 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
1987-04-01 16:54:10 UTC
Depth
-1.0 km (-0.6 mi), shallow
Epicenter
41.816° N, 112.334° 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 0.5 km horizontally, 1.7 km in depth
Depth from
From location
Station coverage gap
76°
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: 20 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 3.110 km ENE of Howell, Utah · 14427 days ago · 5 km deep · 1 km away
  2. 2.710 km ENE of Howell, Utah · 14424 days ago · 4 km deep · 1 km away
  3. 1.712 km S of Snowville, Utah · 14413 days ago · 6 km deep · 31 km away
  4. 1.711 km E of Howell, Utah · 14413 days ago · 3 km deep · 2 km away
  5. 2.711 km S of Snowville, Utah · 14410 days ago · 10 km deep · 31 km away
  6. 1.615 km S of Snowville, Utah · 14410 days ago · 11 km deep · 31 km away
  7. 1.912 km SSE of Snowville, Utah · 14405 days ago · 5 km deep · 28 km away
  8. 3.212 km SSE of Snowville, Utah · 14405 days ago · 5 km deep · 28 km away
  9. 1.611 km SSE of Snowville, Utah · 14405 days ago · 1 km deep · 27 km away
  10. 2.312 km SSE of Snowville, Utah · 14405 days ago · 4 km deep · 26 km away
  11. 3.112 km SSE of Snowville, Utah · 14404 days ago · 5 km deep · 27 km away
  12. 2.713 km W of Portage, Utah · 14404 days ago · 7 km deep · 17 km away
  13. 2.412 km SSE of Snowville, Utah · 14403 days ago · 5 km deep · 27 km away
  14. 2.613 km SSE of Snowville, Utah · 14402 days ago · 6 km deep · 28 km away
  15. 1.812 km SSE of Snowville, Utah · 14394 days ago · 1 km deep · 27 km away
  16. 1.810 km ENE of Howell, Utah · 14393 days ago · 4 km deep · 1 km away
  17. 1.710 km ENE of Howell, Utah · 14389 days ago · 5 km deep · 3 km away
  18. 1.611 km ENE of Howell, Utah · 14388 days ago · 4 km deep · 4 km away
  19. 1.88 km ENE of Avon, Utah · 14383 days ago · 5 km deep · 58 km away
  20. 2.29 km ENE of Howell, Utah · 14374 days ago · 6 km deep · 0 km away

Before

  1. 2.610 km ENE of Howell, Utah · 14428 days ago · 4 km deep · 1 km away
  2. 3.510 km ENE of Howell, Utah · 14428 days ago · 5 km deep · 1 km away
  3. 2.011 km E of Howell, Utah · 14428 days ago · 1 km deep · 3 km away
  4. 2.010 km ENE of Howell, Utah · 14430 days ago · 4 km deep · 3 km away
  5. 1.68 km NW of Garden City, Utah · 14436 days ago · -2 km deep · 74 km away
  6. 2.27 km NW of Garden City, Utah · 14436 days ago · -2 km deep · 74 km away
  7. 2.28 km NW of Garden City, Utah · 14436 days ago · -3 km deep · 75 km away
  8. 2.48 km SSW of Snowville, Utah · 14438 days ago · 6 km deep · 34 km away
  9. 2.19 km S of Snowville, Utah · 14438 days ago · 0 km deep · 31 km away
  10. 3.19 km S of Snowville, Utah · 14438 days ago · 4 km deep · 32 km away
  11. 1.617 km ENE of Snowville, Utah · 14439 days ago · 2 km deep · 28 km away
  12. 2.59 km S of Snowville, Utah · 14439 days ago · 5 km deep · 33 km away
  13. 1.88 km E of Huntsville, Utah · 14439 days ago · 7 km deep · 83 km away
  14. 1.98 km E of Huntsville, Utah · 14439 days ago · 10 km deep · 83 km away
  15. 2.110 km ENE of Howell, Utah · 14442 days ago · 2 km deep · 2 km away
  16. 3.010 km ENE of Howell, Utah · 14443 days ago · 2 km deep · 2 km away
  17. 1.910 km ENE of Howell, Utah · 14443 days ago · 1 km deep · 1 km away
  18. 1.910 km ENE of Howell, Utah · 14443 days ago · 4 km deep · 2 km away
  19. 2.110 km S of Snowville, Utah · 14447 days ago · 7 km deep · 33 km away
  20. 1.89 km S of Snowville, Utah · 14447 days ago · 5 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50032230. Read Thu, Oct 1, 2026, 5:05 AM UTC.