Utah earthquakes

M1.5 earthquake 4 km SSW of Leeds, Utah

A magnitude 1.5 earthquake struck 4 km SSW of Leeds, Utah on Thu, Sep 6, 2018, 11:57 AM MDT (17:57 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.5 10 km SE of Alton, Utah. This one was a foreshock.

Leeds forecastMore in Utah

Map

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

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2018-09-06 17:57:58 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
37.197° N, 113.370° W
Region
Utah
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
1.54ML, local (Richter)University of Utah Seismograph StationsPreferred · Final · ±0.261 · 2 stations
1.0ML, local (Richter)Nevada Seismological LaboratoryReviewed · ±0.48 · 4 stations

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 0.3 km horizontally, 7.2 km in depth
Magnitude uncertainty
±0.26
Depth from
Operator assigned
Station coverage gap
114°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 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 uu60295557 (also filed as nn00655232). Read Thu, Oct 1, 2026, 7:16 PM UTC.