Utah earthquakes

M1.6 earthquake 8 km SSW of Milford, Utah

A magnitude 1.6 earthquake struck 8 km SSW of Milford, Utah on Tue, Mar 23, 2021, 1:31 PM MDT (19:31 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M3.2 10 km SW of Milford, 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
1.6 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2021-03-23 19:31:06 UTC
Depth
0.7 km (0.4 mi), shallow
Epicenter
38.331° N, 113.067° 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 1.6 km horizontally, 12.0 km in depth
Magnitude uncertainty
±0.28
Depth from
Operator assigned
Station coverage gap
134°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 87 in the 60 days after this one and 29 in the 30 days before it.

After

The first 60 of 87.

Before

Earthquakes todayUtah earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60430057. Read Fri, Oct 2, 2026, 10:17 PM UTC.