M1.8 earthquake 5 km WSW of Montpelier, Idaho
A magnitude 1.8 earthquake struck 5 km WSW of Montpelier, Idaho on Tue, Feb 23, 2021, 5:57 PM MST (00:57 UTC), -2 km (-2 mi) below the surface.
A larger quake followed: M3.2 9 km ESE of Bancroft, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (ML, local (Richter)), micro
- Magnitude from
- University of Utah Seismograph Stations
- Local time
- UTC
- 2021-02-24 00:57:30 UTC
- Depth
- -2.4 km (-1.5 mi), shallow
- Epicenter
- 42.313° N, 111.360° 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 0.9 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 138°
- 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: 6 in the 60 days after this one and 9 in the 30 days before it.
After
- 2.618 km W of Fontenelle, Wyoming · 2026 days ago · 29 km deep · 97 km away · felt by 2
- 3.29 km ESE of Bancroft, Idaho · 2020 days ago · 10 km deep · 55 km away · felt by 7
- 1.817 km NW of Paris, Idaho · 2016 days ago · 8 km deep · 17 km away
- 1.916 km SW of Fairview, Wyoming · 2007 days ago · 8 km deep · 36 km away
- 1.52 km WNW of Franklin, Idaho · 1995 days ago · 0 km deep · 50 km away
- 1.64 km S of Grace, Idaho · 1994 days ago · 5 km deep · 39 km away
Before
- 2.113 km SW of Fairview, Wyoming · 2062 days ago · -3 km deep · 39 km away
- 2.14 km NW of Smoot, Wyoming · 2064 days ago · 25 km deep · 50 km away
- 2.319 km NE of Georgetown, Idaho · 2065 days ago · -3 km deep · 34 km away
- 2.510 km SE of Avon, Utah · 2068 days ago · 10 km deep · 98 km away · felt by 4
- 1.68 km NNW of Georgetown, Idaho · 2074 days ago · 4 km deep · 27 km away
- 2.310 km WSW of Grace, Idaho · 2077 days ago · 4 km deep · 47 km away
- 2.27 km NNW of Georgetown, Idaho · 2077 days ago · -2 km deep · 26 km away
- 1.6southern Idaho · 2077 days ago · 0 km deep · 25 km away
- 2.49 km NNW of Georgetown, Idaho · 2078 days ago · 2 km deep · 27 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu60427607. Read Mon, Oct 5, 2026, 6:42 AM UTC.