Utah earthquakes

M1.9 earthquake 9 km SSW of Monroe, Utah

A magnitude 1.9 earthquake struck 9 km SSW of Monroe, Utah on Thu, Dec 10, 1981, 8:52 AM MST (15:52 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.0 11 km E of Beaver, Utah. This one was a foreshock.

Monroe 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), micro
Local time
UTC
1981-12-10 15:52:48 UTC
Depth
1.6 km (1.0 mi), shallow
Epicenter
38.551° N, 112.145° 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, 8.4 km in depth
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
5

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 8 in the 30 days before it.

After

  1. 1.617 km WSW of Emery, Utah · 16355 days ago · 6 km deep · 72 km away
  2. 1.715 km SW of Kanosh, Utah · 16343 days ago · 0 km deep · 37 km away
  3. 2.011 km E of Beaver, Utah · 16338 days ago · 15 km deep · 45 km away
  4. 1.58 km ESE of Beaver, Utah · 16335 days ago · 6 km deep · 50 km away
  5. 1.75 km S of Circleville, Utah · 16326 days ago · 6 km deep · 49 km away
  6. 2.16 km S of Circleville, Utah · 16323 days ago · 6 km deep · 50 km away
  7. 2.214 km SSE of Beaver, Utah · 16319 days ago · 10 km deep · 57 km away

Before

  1. 1.910 km NE of Marysvale, Utah · 16358 days ago · 1 km deep · 3 km away
  2. 1.88 km NE of Marysvale, Utah · 16359 days ago · 4 km deep · 5 km away
  3. 1.86 km SE of Joseph, Utah · 16362 days ago · 11 km deep · 4 km away
  4. 2.215 km SSW of Kanosh, Utah · 16368 days ago · 6 km deep · 36 km away
  5. 1.615 km SW of Kanosh, Utah · 16368 days ago · 3 km deep · 41 km away
  6. 1.62 km SW of Circleville, Utah · 16382 days ago · 6 km deep · 46 km away
  7. 1.84 km SW of Kingston, Utah · 16382 days ago · 6 km deep · 41 km away
  8. 1.7Utah · 16386 days ago · 2 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50003335. Read Wed, Sep 23, 2026, 8:30 AM UTC.