M3.1 earthquake 20 km ENE of Samak, Utah
A magnitude 3.1 earthquake struck 20 km ENE of Samak, Utah on Mon, Jun 1, 1987, 8:03 PM MDT (02:03 UTC), 4 km (2 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (md), minor
- Local time
- UTC
- 1987-06-02 02:03:30 UTC
- Depth
- 3.5 km (2.2 mi), shallow
- Epicenter
- 40.655° N, 110.981° 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 1.5 km horizontally, 2.7 km in depth
- Depth from
- From location
- Station coverage gap
- 215°, poorly surrounded by stations
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 1.54 km E of Heber City, Utah · 14340 days ago · 7 km deep · 36 km away
- 1.510 km S of Saratoga Springs, Utah · 14334 days ago · 8 km deep · 89 km away
- 1.89 km WNW of Summit Park, Utah · 14318 days ago · 3 km deep · 63 km away
Before
Earthquakes todayUtah earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50032675. Read Tue, Sep 22, 2026, 8:42 AM UTC.