Idaho earthquakes

M2.3 earthquake 10 km WSW of Grace, Idaho

A magnitude 2.3 earthquake struck 10 km WSW of Grace, Idaho on Wed, Jan 27, 2021, 4:08 AM MST (11:08 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.2 9 km ESE of Bancroft, Idaho. This one was a foreshock.

Grace forecastMore in Idaho

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2021-01-27 11:08:27 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
42.535° N, 111.849° 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 0.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
79°
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: 6 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.68 km NNW of Georgetown, Idaho · 2074 days ago · 4 km deep · 35 km away
  2. 2.319 km NE of Georgetown, Idaho · 2065 days ago · -3 km deep · 54 km away
  3. 2.14 km NW of Smoot, Wyoming · 2065 days ago · 25 km deep · 74 km away
  4. 2.113 km SW of Fairview, Wyoming · 2063 days ago · -3 km deep · 62 km away
  5. 1.85 km WSW of Montpelier, Idaho · 2049 days ago · -2 km deep · 47 km away
  6. 3.29 km ESE of Bancroft, Idaho · 2020 days ago · 10 km deep · 20 km away · felt by 7

Before

  1. 2.27 km NNW of Georgetown, Idaho · 2077 days ago · -2 km deep · 36 km away
  2. 1.6southern Idaho · 2077 days ago · 0 km deep · 37 km away
  3. 2.49 km NNW of Georgetown, Idaho · 2078 days ago · 2 km deep · 34 km away · felt by 2
  4. 2.011 km ESE of Millville, Utah · 2079 days ago · 8 km deep · 100 km away · felt by 1
  5. 1.515 km N of Georgetown, Idaho · 2082 days ago · 5 km deep · 38 km away
  6. 2.911 km N of Georgetown, Idaho · 2082 days ago · 5 km deep · 41 km away · felt by 1
  7. 1.67 km NNW of Georgetown, Idaho · 2083 days ago · 5 km deep · 37 km away · felt by 1
  8. 1.65 km ENE of Howell, Utah · 2089 days ago · 8 km deep · 91 km away
  9. 1.813 km NNW of Georgetown, Idaho · 2101 days ago · 12 km deep · 35 km away
  10. 1.613 km NNW of Georgetown, Idaho · 2101 days ago · 10 km deep · 34 km away
  11. 1.612 km NNW of Georgetown, Idaho · 2101 days ago · 3 km deep · 35 km away · felt by 1
  12. 2.513 km ESE of Soda Springs, Idaho · 2101 days ago · 5 km deep · 32 km away · felt by 1
  13. 4.210 km NNW of Georgetown, Idaho · 2101 days ago · 5 km deep · 35 km away · felt by 151
  14. 2.016 km NE of Georgetown, Idaho · 2105 days ago · 2 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60425232. Read Mon, Oct 5, 2026, 10:53 AM UTC.