Utah earthquakes

M1.9 earthquake 28 km ESE of Mapleton, Utah

A magnitude 1.9 earthquake struck 28 km ESE of Mapleton, Utah on Fri, Jan 25, 1985, 8:26 PM MST (03:26 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.4 12 km W of Mona, Utah. This one was a foreshock.

Mapleton 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
1985-01-26 03:26:05 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
40.032° N, 111.267° 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
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.79 km NW of Fayette, Utah · 15208 days ago · -3 km deep · 100 km away
  2. 2.412 km W of Mona, Utah · 15204 days ago · 6 km deep · 67 km away
  3. 2.512 km WSW of Coalville, Utah · 15203 days ago · 6 km deep · 97 km away
  4. 1.911 km NW of Orangeville, Utah · 15199 days ago · 8 km deep · 81 km away
  5. 2.06 km NW of Hiawatha, Utah · 15198 days ago · 5 km deep · 59 km away
  6. 1.66 km E of Leamington, Utah · 15190 days ago · 4 km deep · 97 km away
  7. 1.615 km ESE of Mount Pleasant, Utah · 15187 days ago · 5 km deep · 60 km away
  8. 1.719 km ESE of Mount Pleasant, Utah · 15187 days ago · 3 km deep · 61 km away
  9. 1.97 km ENE of Kenilworth, Utah · 15182 days ago · -3 km deep · 59 km away
  10. 2.312 km ENE of Kenilworth, Utah · 15177 days ago · -2 km deep · 62 km away
  11. 2.27 km N of Helper, Utah · 15172 days ago · 3 km deep · 47 km away
  12. 2.112 km NW of Helper, Utah · 15164 days ago · 5 km deep · 39 km away
  13. 1.57 km ENE of Leamington, Utah · 15163 days ago · 1 km deep · 95 km away

Before

  1. 2.026 km SE of Mapleton, Utah · 15226 days ago · 12 km deep · 7 km away
  2. 1.522 km ESE of Manti, Utah · 15242 days ago · 29 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50018770. Read Wed, Sep 23, 2026, 2:23 AM UTC.