Utah earthquakes

M1.8 earthquake 10 km ENE of Howell, Utah

A magnitude 1.8 earthquake struck 10 km ENE of Howell, Utah on Tue, May 5, 1987, 4:52 PM MDT (22:52 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.2 9 km ENE of Howell, Utah. This one was a foreshock.

Thatcher 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
1987-05-05 22:52:24 UTC
Depth
3.6 km (2.3 mi), shallow
Epicenter
41.827° N, 112.327° 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, 3.8 km in depth
Depth from
From location
Station coverage gap
74°
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: 7 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.710 km ENE of Howell, Utah · 14386 days ago · 5 km deep · 2 km away
  2. 1.611 km ENE of Howell, Utah · 14385 days ago · 4 km deep · 2 km away
  3. 1.88 km ENE of Avon, Utah · 14380 days ago · 5 km deep · 58 km away
  4. 2.29 km ENE of Howell, Utah · 14370 days ago · 6 km deep · 1 km away
  5. 2.111 km SSE of Snowville, Utah · 14353 days ago · 5 km deep · 28 km away
  6. 1.613 km NW of Howell, Utah · 14339 days ago · 6 km deep · 19 km away
  7. 2.010 km ENE of Howell, Utah · 14334 days ago · 6 km deep · 2 km away

Before

  1. 1.812 km SSE of Snowville, Utah · 14391 days ago · 1 km deep · 27 km away
  2. 2.613 km SSE of Snowville, Utah · 14399 days ago · 6 km deep · 28 km away
  3. 2.412 km SSE of Snowville, Utah · 14400 days ago · 5 km deep · 28 km away
  4. 2.713 km W of Portage, Utah · 14401 days ago · 7 km deep · 16 km away
  5. 3.112 km SSE of Snowville, Utah · 14401 days ago · 5 km deep · 28 km away
  6. 2.312 km SSE of Snowville, Utah · 14402 days ago · 4 km deep · 27 km away
  7. 1.611 km SSE of Snowville, Utah · 14402 days ago · 1 km deep · 27 km away
  8. 3.212 km SSE of Snowville, Utah · 14402 days ago · 5 km deep · 29 km away
  9. 1.912 km SSE of Snowville, Utah · 14402 days ago · 5 km deep · 29 km away
  10. 1.615 km S of Snowville, Utah · 14407 days ago · 11 km deep · 31 km away
  11. 2.711 km S of Snowville, Utah · 14407 days ago · 10 km deep · 31 km away
  12. 1.711 km E of Howell, Utah · 14410 days ago · 3 km deep · 2 km away
  13. 1.712 km S of Snowville, Utah · 14410 days ago · 6 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50032550. Read Mon, Sep 28, 2026, 2:41 AM UTC.