M1.7 earthquake 27 km NNE of Tabiona, Utah
A magnitude 1.7 earthquake struck 27 km NNE of Tabiona, Utah on Wed, Sep 18, 1985, 5:47 PM MDT (23:47 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.0 5 km S of Maeser, Utah. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (md), micro
- Local time
- UTC
- 1985-09-18 23:47:34 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 40.585° N, 110.604° 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 11.3 km horizontally, 29.2 km in depth
- Depth from
- From location
- Station coverage gap
- 282°, poorly surrounded by stations
- Stations used
- 5
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.6Utah · 14961 days ago · 6 km deep · 66 km away
- 3.05 km S of Maeser, Utah · 14960 days ago · 7 km deep · 88 km away
- 2.0Utah · 14952 days ago · 7 km deep · 96 km away
- 2.117 km ESE of Mapleton, Utah · 14951 days ago · 8 km deep · 85 km away
- 1.68 km NNW of Henefer, Utah · 14950 days ago · 7 km deep · 96 km away
- 2.414 km S of Independence, Utah · 14924 days ago · 7 km deep · 70 km away
Before
Earthquakes todayUtah earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50023965. Read Tue, Sep 22, 2026, 8:07 PM UTC.