M2.2 earthquake 9 km NNW of Grace, Idaho
A magnitude 2.2 earthquake struck 9 km NNW of Grace, Idaho on Sat, Dec 18, 2021, 7:56 PM MST (02:56 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-12-19 02:56:21 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 42.651° N, 111.784° W
- Region
- Idaho
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 76°
- Stations used
- 29
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 2 in the 30 days before it.
After
- 1.922 km SSW of Irwin, Idaho · 1747 days ago · 5 km deep · 71 km away
- 1.99 km NNW of Georgetown, Idaho · 1746 days ago · 9 km deep · 33 km away
- 1.714 km NNW of Georgetown, Idaho · 1745 days ago · 13 km deep · 31 km away
- 1.812 km N of Georgetown, Idaho · 1722 days ago · 3 km deep · 35 km away
- 1.814 km ESE of Richmond, Utah · 1720 days ago · 6 km deep · 87 km away
- 2.110 km ENE of Bennington, Idaho · 1715 days ago · 9 km deep · 53 km away
- 2.218 km WSW of Alpine Northwest, Wyoming · 1699 days ago · 3 km deep · 68 km away
- 1.63 km ENE of Alpine Northeast, Wyoming · 1695 days ago · 8 km deep · 90 km away
- 2.28 km SSW of Portage, Utah · 1691 days ago · 3 km deep · 93 km away
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000gdik. Read Sun, Oct 4, 2026, 9:01 AM UTC.