Utah earthquakes

M2.5 earthquake 14 km WSW of Antimony, Utah

A magnitude 2.5 earthquake struck 14 km WSW of Antimony, Utah on Thu, Mar 7, 1985, 1:10 AM MST (08:10 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.1 12 km SW of Antimony, 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
2.5 (md), micro
Local time
UTC
1985-03-07 08:10:51 UTC
Depth
7.1 km (4.4 mi), shallow
Epicenter
38.072° N, 112.153° 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, 1.3 km in depth
Depth from
From location
Station coverage gap
163°
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: 8 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.513 km WSW of Antimony, Utah · 15174 days ago · 6 km deep · 2 km away
  2. 2.18 km SW of Marysvale, Utah · 15169 days ago · -1 km deep · 39 km away
  3. 3.112 km SW of Antimony, Utah · 15155 days ago · 13 km deep · 6 km away
  4. 2.410 km SW of Antimony, Utah · 15154 days ago · 6 km deep · 7 km away
  5. 1.915 km WNW of Enoch, Utah · 15145 days ago · 8 km deep · 93 km away
  6. 2.19 km WNW of Glendale, Utah · 15139 days ago · 6 km deep · 93 km away
  7. 2.512 km NW of Glendale, Utah · 15139 days ago · 6 km deep · 90 km away
  8. 2.019 km SSE of Brian Head, Utah · 15139 days ago · 6 km deep · 82 km away

Before

  1. 1.9Utah · 15181 days ago · 10 km deep · 63 km away
  2. 1.530 km SSW of Kanosh, Utah · 15182 days ago · 4 km deep · 65 km away
  3. 1.510 km SSW of Marysvale, Utah · 15191 days ago · 6 km deep · 35 km away
  4. 1.612 km W of Enoch, Utah · 15192 days ago · 2 km deep · 95 km away
  5. 2.03 km NNE of Joseph, Utah · 15195 days ago · 6 km deep · 65 km away
  6. 2.07 km ENE of Sigurd, Utah · 15198 days ago · 10 km deep · 90 km away
  7. 2.07 km E of Sigurd, Utah · 15198 days ago · 11 km deep · 90 km away
  8. 1.65 km E of Sigurd, Utah · 15198 days ago · 2 km deep · 89 km away
  9. 1.86 km ENE of Sigurd, Utah · 15198 days ago · 10 km deep · 90 km away
  10. 1.87 km E of Sigurd, Utah · 15198 days ago · 13 km deep · 89 km away
  11. 1.66 km E of Sigurd, Utah · 15198 days ago · 4 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50020185. Read Tue, Sep 22, 2026, 10:00 AM UTC.