M1.9 earthquake 9 km NNW of Georgetown, Idaho
A magnitude 1.9 earthquake struck 9 km NNW of Georgetown, Idaho on Wed, Dec 22, 2021, 8:15 PM MST (03:15 UTC), 9 km (6 mi) below the surface.
A larger quake followed: M2.4 4 km N of Georgetown, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (ML, local (Richter)), micro
- Magnitude from
- University of Utah Seismograph Stations
- Local time
- UTC
- 2021-12-23 03:15:33 UTC
- Depth
- 9.3 km (5.8 mi), shallow
- Epicenter
- 42.566° N, 111.402° 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 0.4 km horizontally, 0.7 km in depth
- Magnitude uncertainty
- ±0.00
- Depth from
- From location
- Station coverage gap
- 120°
- 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: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 1.714 km NNW of Georgetown, Idaho · 1745 days ago · 13 km deep · 5 km away
- 1.812 km N of Georgetown, Idaho · 1722 days ago · 3 km deep · 5 km away
- 1.814 km ESE of Richmond, Utah · 1721 days ago · 6 km deep · 80 km away
- 2.110 km ENE of Bennington, Idaho · 1715 days ago · 9 km deep · 22 km away
- 2.218 km WSW of Alpine Northwest, Wyoming · 1699 days ago · 3 km deep · 61 km away
- 1.63 km ENE of Alpine Northeast, Wyoming · 1695 days ago · 8 km deep · 79 km away
- 2.44 km N of Georgetown, Idaho · 1688 days ago · 2 km deep · 5 km away
Before
- 1.922 km SSW of Irwin, Idaho · 1747 days ago · 5 km deep · 72 km away
- 2.29 km NNW of Grace, Idaho · 1750 days ago · 5 km deep · 33 km away · felt by 2
- 2.08 km E of Grace, Idaho · 1752 days ago · 2 km deep · 18 km away
- 1.812 km WSW of Georgetown, Idaho · 1758 days ago · 9 km deep · 17 km away
- 1.916 km SW of Wilson, Wyoming · 1764 days ago · 5 km deep · 98 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu60472997. Read Sun, Oct 4, 2026, 2:22 PM UTC.