Alaska earthquakes

M2.1 earthquake 5 km SE of Eielson Air Force Base, Alaska

A magnitude 2.1 earthquake struck 5 km SE of Eielson Air Force Base, Alaska on Wed, Dec 29, 2021, 5:29 AM AKST (14:29 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.1 28 km WSW of Salcha, Alaska. This one was a foreshock.

Eielson Air Force Base forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
2021-12-29 14:29:53 UTC
Depth
10.3 km (6.4 mi), shallow
Epicenter
64.633° N, 146.957° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
42

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.663 km NNE of Pleasant Valley, Alaska · 1728 days ago · 8 km deep · 91 km away
  2. 1.656 km ENE of Healy, Alaska · 1727 days ago · 13 km deep · 75 km away
  3. 1.657 km ENE of Ferry, Alaska · 1724 days ago · 5 km deep · 74 km away
  4. 2.023 km E of Pleasant Valley, Alaska · 1717 days ago · 10 km deep · 40 km away
  5. 1.610 km E of Fox, Alaska · 1715 days ago · 3 km deep · 42 km away
  6. 1.667 km ESE of Pleasant Valley, Alaska · 1714 days ago · 13 km deep · 71 km away
  7. 1.810 km W of Salcha, Alaska · 1714 days ago · 3 km deep · 14 km away
  8. 2.871 km SSW of Harding-Birch Lakes, Alaska · 1712 days ago · 3 km deep · 93 km away
  9. 1.534 km SE of Minto, Alaska · 1710 days ago · 17 km deep · 94 km away
  10. 2.233 km ESE of Minto, Alaska · 1710 days ago · 17 km deep · 94 km away
  11. 2.028 km WSW of Salcha, Alaska · 1705 days ago · 6 km deep · 31 km away
  12. 2.117 km ENE of Four Mile Road, Alaska · 1696 days ago · 15 km deep · 87 km away
  13. 1.619 km ENE of Four Mile Road, Alaska · 1696 days ago · 15 km deep · 85 km away
  14. 1.734 km SSW of Ester, Alaska · 1687 days ago · 10 km deep · 63 km away
  15. 2.06 km WNW of Salcha, Alaska · 1687 days ago · 17 km deep · 9 km away
  16. 3.128 km WSW of Salcha, Alaska · 1680 days ago · 10 km deep · 33 km away · felt by 1
  17. 2.049 km E of Clear, Alaska, Alaska · 1678 days ago · 126 km deep · 72 km away

Before

  1. 2.240 km SSW of South Van Horn, Alaska · 1736 days ago · 11 km deep · 54 km away
  2. 1.838 km SSW of South Van Horn, Alaska · 1742 days ago · 20 km deep · 56 km away
  3. 2.79 km NW of Harding-Birch Lakes, Alaska · 1750 days ago · 8 km deep · 25 km away · felt by 1
  4. 2.39 km NW of Harding-Birch Lakes, Alaska · 1754 days ago · 7 km deep · 25 km away · felt by 1
  5. 1.529 km WSW of Salcha, Alaska · 1758 days ago · 5 km deep · 34 km away
  6. 1.729 km WSW of Salcha, Alaska · 1760 days ago · 7 km deep · 34 km away
  7. 1.54 km NNE of Fox, Alaska · 1764 days ago · 17 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gokldlq (also filed as us6000gg4k). Read Wed, Sep 30, 2026, 12:15 AM UTC.