M1.8 earthquake 1 km NW of Circleville, Utah
A magnitude 1.8 earthquake struck 1 km NW of Circleville, Utah on Sun, Apr 6, 1986, 9:05 AM MST (16:05 UTC), 4 km (3 mi) below the surface.
A larger quake followed: M1.9 9 km NE of Marysvale, Utah. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (md), micro
- Local time
- UTC
- 1986-04-06 16:05:20 UTC
- Depth
- 4.4 km (2.7 mi), shallow
- Epicenter
- 38.184° N, 112.286° 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 0.9 km horizontally, 4.0 km in depth
- Depth from
- From location
- Station coverage gap
- 111°
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.99 km NE of Marysvale, Utah · 14775 days ago · 2 km deep · 39 km away
- 1.931 km SW of Emery, Utah · 14746 days ago · 7 km deep · 91 km away
Before
Earthquakes todayUtah earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50028865. Read Tue, Sep 22, 2026, 11:31 PM UTC.