M2.1 earthquake 1 km S of Koosharem, Utah
A magnitude 2.1 earthquake struck 1 km S of Koosharem, Utah on Sun, Jun 2, 1985, 8:05 PM MDT (02:05 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M2.7 12 km SE of Manti, Utah. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (Md, duration), micro
- Magnitude from
- University of Utah Seismograph Stations
- Local time
- UTC
- 1985-06-03 02:05:25 UTC
- Depth
- 5.5 km (3.4 mi), shallow
- Epicenter
- 38.495° N, 111.878° 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 0.7 km horizontally, 1.5 km in depth
- Depth from
- From location
- Station coverage gap
- 95°
- 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: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.01 km SSW of Koosharem, Utah · 15094 days ago · 4 km deep · 1 km away
- 1.93 km SSE of Koosharem, Utah · 15094 days ago · 6 km deep · 1 km away
- 1.81 km S of Koosharem, Utah · 15093 days ago · 14 km deep · 0 km away
- 2.45 km ESE of Fayette, Utah · 15091 days ago · 7 km deep · 79 km away
- 2.712 km SE of Manti, Utah · 15088 days ago · 6 km deep · 85 km away
- 1.75 km NNE of Gunnison, Utah · 15081 days ago · 7 km deep · 79 km away
- 1.710 km NW of Marysvale, Utah · 15075 days ago · 5 km deep · 38 km away
- 2.618 km SE of Minersville, Utah · 15038 days ago · 6 km deep · 91 km away
Before
Earthquakes todayUtah earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50021935. Read Fri, Oct 2, 2026, 2:14 AM UTC.