M2.0 earthquake 8 km E of Grace, Idaho
A magnitude 2.0 earthquake struck 8 km E of Grace, Idaho on Fri, Dec 17, 2021, 5:28 AM MST (12:28 UTC), 2 km (1 mi) below the surface.
A larger quake followed: M2.2 9 km NNW of Grace, Idaho. 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 (ML, local (Richter)), micro
- Magnitude from
- University of Utah Seismograph Stations
- Local time
- UTC
- 2021-12-17 12:28:42 UTC
- Depth
- 2.3 km (1.4 mi), shallow
- Epicenter
- 42.566° N, 111.624° 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, 6.6 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
- Station coverage gap
- 115°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.29 km NNW of Grace, Idaho · 1750 days ago · 5 km deep · 16 km away · felt by 2
- 1.922 km SSW of Irwin, Idaho · 1746 days ago · 5 km deep · 75 km away
- 1.99 km NNW of Georgetown, Idaho · 1746 days ago · 9 km deep · 18 km away
- 1.714 km NNW of Georgetown, Idaho · 1744 days ago · 13 km deep · 18 km away
- 1.812 km N of Georgetown, Idaho · 1721 days ago · 3 km deep · 22 km away
- 1.814 km ESE of Richmond, Utah · 1720 days ago · 6 km deep · 77 km away
- 2.110 km ENE of Bennington, Idaho · 1714 days ago · 9 km deep · 37 km away
- 2.218 km WSW of Alpine Northwest, Wyoming · 1698 days ago · 3 km deep · 68 km away
- 1.63 km ENE of Alpine Northeast, Wyoming · 1694 days ago · 8 km deep · 89 km away
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu60472417. Read Sat, Oct 3, 2026, 4:53 PM UTC.