Utah earthquakes

M2.6 earthquake 15 km W of Emery, Utah

A magnitude 2.6 earthquake struck 15 km W of Emery, Utah on Fri, Sep 12, 1986, 10:47 PM MDT (04:47 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.1 12 km WNW of Helper, Utah. This one was a foreshock.

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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
2.6 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
1986-09-13 04:47:34 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
38.937° N, 111.423° 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, 1.5 km in depth
Depth from
From location
Station coverage gap
146°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 4 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50029910. Read Sat, Oct 3, 2026, 7:45 PM UTC.