M2.0 earthquake 18 km SW of Robertson, Wyoming
A magnitude 2.0 earthquake struck 18 km SW of Robertson, Wyoming on Sat, Mar 7, 1981, 1:56 PM MST (20:56 UTC), 4 km (3 mi) below the surface.
A larger quake followed: M2.9 13 km ENE of Randolph, Utah. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (Md, duration), micro
- Magnitude from
- University of Utah Seismograph Stations
- Local time
- UTC
- 1981-03-07 20:56:36 UTC
- Depth
- 4.1 km (2.5 mi), shallow
- Epicenter
- 41.079° N, 110.577° W
- Region
- Wyoming
- 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 3.0 km horizontally, 2.5 km in depth
- Depth from
- From location
- Station coverage gap
- 265°, poorly surrounded by stations
- Stations used
- 20
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 0 in the 30 days before it.
After
Earthquakes todayWyoming earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50000515. Read Sat, Oct 3, 2026, 6:54 AM UTC.