Utah earthquakes

M1.6 earthquake 26 km SE of Alton, Utah

A magnitude 1.6 earthquake struck 26 km SE of Alton, Utah on Wed, May 23, 2018, 7:05 AM MDT (13:05 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.1 16 km SSE of Beaver, Utah. This one was a foreshock.

Orderville forecastMore in Utah

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2018-05-23 13:05:27 UTC
Depth
17.5 km (10.9 mi), shallow
Epicenter
37.286° N, 112.253° 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 0.6 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
125°
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: 23 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 uu60282997. Read Fri, Oct 2, 2026, 12:42 AM UTC.