M1.8 earthquake 19 km ENE of Snowville, Utah
A magnitude 1.8 earthquake struck 19 km ENE of Snowville, Utah on Sat, Nov 21, 1981, 9:58 AM MST (16:58 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M2.2 14 km NW of Howell, 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
- 1981-11-21 16:58:05 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 42.056° N, 112.504° W
- Region
- Idaho
- 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, 1.1 km in depth
- Depth from
- From location
- Station coverage gap
- 137°
- 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: 8 in the 60 days after this one and 5 in the 30 days before it.
After
- 1.514 km ENE of Snowville, Utah · 16373 days ago · 9 km deep · 6 km away
- 1.521 km WSW of Malad City, Idaho · 16358 days ago · 6 km deep · 9 km away
- 1.652 km SSW of Howell, Utah · 16352 days ago · 9 km deep · 77 km away
- 1.737 km SW of Thatcher, Utah · 16341 days ago · 5 km deep · 69 km away
- 2.214 km NW of Howell, Utah · 16338 days ago · 8 km deep · 18 km away
- 2.613 km NW of Howell, Utah · 16338 days ago · 5 km deep · 19 km away
- 1.514 km ESE of Snowville, Utah · 16337 days ago · 8 km deep · 18 km away
- 1.913 km NW of Howell, Utah · 16326 days ago · 3 km deep · 19 km away
Before
- 1.618 km ENE of Snowville, Utah · 16381 days ago · 7 km deep · 1 km away
- 2.619 km ENE of Snowville, Utah · 16381 days ago · 8 km deep · 1 km away
- 1.617 km ENE of Snowville, Utah · 16381 days ago · 4 km deep · 2 km away
- 1.618 km ENE of Snowville, Utah · 16382 days ago · 3 km deep · 1 km away
- 1.615 km E of Snowville, Utah · 16395 days ago · 1 km deep · 9 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50003105. Read Tue, Sep 22, 2026, 10:58 AM UTC.