Utah earthquakes

M3.0 earthquake 10 km NE of Henefer, Utah

A magnitude 3.0 earthquake struck 10 km NE of Henefer, Utah on Mon, Aug 29, 1983, 6:53 AM MDT (12:53 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.9 4 km NNE of West Valley City, Utah. This one was a foreshock.

Henefer forecastMore in Utah

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.0 (md), minor
Local time
UTC
1983-08-29 12:53:11 UTC
Depth
11.5 km (7.1 mi), shallow
Epicenter
41.081° N, 111.410° 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 1.5 km horizontally, 0.9 km in depth
Depth from
From location
Station coverage gap
156°
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: 11 in the 60 days after this one and 1 in the 30 days before it.

After

Before

Earthquakes todayUtah earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50010695 (also filed as usp0001y15). Read Tue, Sep 22, 2026, 8:48 AM UTC.