Alaska earthquakes

M1.8 earthquake 8 km S of Eielson Air Force Base, Alaska

A magnitude 1.8 earthquake struck 8 km S of Eielson Air Force Base, Alaska on Thu, Mar 18, 2021, 3:06 PM AKDT (23:06 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.4 10 km SSW of Ester, 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
1.8 (ml), micro
Local time
UTC
2021-03-18 23:06:47 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
64.592° N, 147.086° W
Region
Alaska
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.

Stations used
53

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.672 km WSW of Delta Junction, Alaska · 2011 days ago · 1 km deep · 98 km away
  2. 2.237 km WSW of Salcha, Alaska · 2006 days ago · 13 km deep · 33 km away
  3. 1.719 km NNE of Four Mile Road, Alaska · 1999 days ago · 14 km deep · 91 km away
  4. 1.94 km SSE of Salcha, Alaska · 1994 days ago · 1 km deep · 16 km away
  5. 2.19 km E of Eielson Air Force Base, Alaska · 1994 days ago · 4 km deep · 13 km away
  6. 1.710 km ENE of Fox, Alaska · 1990 days ago · 5 km deep · 48 km away
  7. 1.59 km SSW of Ester, Alaska · 1990 days ago · 11 km deep · 51 km away
  8. 2.062 km SW of Harding-Birch Lakes, Alaska · 1984 days ago · 11 km deep · 67 km away
  9. 1.647 km ENE of Pleasant Valley, AK · 1981 days ago · 15 km deep · 72 km away
  10. 2.332 km SE of Minto, Alaska · 1980 days ago · 13 km deep · 94 km away
  11. 1.555 km WSW of Salcha, Alaska · 1976 days ago · 1 km deep · 53 km away
  12. 1.511 km ENE of Fox, Alaska · 1975 days ago · 2 km deep · 46 km away
  13. 1.511 km ENE of Fox, Alaska · 1970 days ago · 1 km deep · 45 km away
  14. 1.935 km SSW of South Van Horn, Alaska · 1969 days ago · 4 km deep · 48 km away
  15. 1.572 km SSW of Harding-Birch Lakes, Alaska · 1969 days ago · 193 km deep · 92 km away
  16. 1.560 km SW of Harding-Birch Lakes, Alaska · 1964 days ago · 0 km deep · 71 km away
  17. 2.410 km SSW of Ester, Alaska · 1961 days ago · 9 km deep · 51 km away
  18. 2.032 km E of Minto, Alaska · 1961 days ago · 22 km deep · 99 km away
  19. 2.015 km ENE of Pleasant Valley, Alaska · 1960 days ago · 18 km deep · 45 km away
  20. 1.74 km SE of Badger, Alaska · 1960 days ago · 10 km deep · 26 km away

Before

  1. 2.7Central Alaska · 2020 days ago · 20 km deep · 95 km away
  2. 2.525 km NNE of Four Mile Road, Alaska · 2020 days ago · 6 km deep · 95 km away
  3. 2.111 km SSW of Ester, Alaska · 2020 days ago · 1 km deep · 53 km away
  4. 1.811 km ENE of Fox, Alaska · 2025 days ago · 2 km deep · 46 km away
  5. 1.628 km NNE of Four Mile Road, Alaska · 2029 days ago · 17 km deep · 94 km away
  6. 1.89 km SSE of Pleasant Valley, Alaska · 2033 days ago · 28 km deep · 28 km away
  7. 1.520 km SW of Harding-Birch Lakes, Alaska · 2036 days ago · 0 km deep · 38 km away
  8. 2.912 km N of Pleasant Valley, Alaska · 2039 days ago · 12 km deep · 46 km away · felt by 3
  9. 1.819 km NNE of Four Mile Road, Alaska · 2042 days ago · 21 km deep · 93 km away
  10. 1.614 km S of Ester, Alaska · 2043 days ago · 17 km deep · 48 km away
  11. 1.511 km E of Fox, Alaska · 2045 days ago · 0 km deep · 45 km away
  12. 2.919 km SW of Salcha, Alaska · 2047 days ago · 13 km deep · 20 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213jq42wh. Read Sun, Sep 27, 2026, 9:30 AM UTC.