Utah earthquakes

M1.8 earthquake 0.9 km W of Marysvale, UT

A magnitude 1.8 earthquake struck 0.9 km W of Marysvale, UT on Mon, Mar 29, 1982, 10:21 AM MST (17:21 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.1 14 km WNW of Kanosh, 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
1.8 (md), micro
Local time
UTC
1982-03-29 17:21:56 UTC
Depth
12.8 km (7.9 mi), shallow
Epicenter
38.450° N, 112.220° 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 2.0 km horizontally, 2.8 km in depth
Depth from
From location
Station coverage gap
170°
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: 7 in the 60 days after this one and 2 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 uu50004090. Read Tue, Sep 22, 2026, 10:03 AM UTC.