Alaska earthquakes

M1.9 earthquake 4 km SSE of Salcha, Alaska

A magnitude 1.9 earthquake struck 4 km SSE of Salcha, Alaska on Sun, Apr 11, 2021, 7:46 PM AKDT (03:46 UTC), 1 km (1 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M2.8 72 km SW of Delta Junction, Alaska. This one was a foreshock.

Salcha 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
1.9 (ml), micro
Local time
UTC
2021-04-12 03:46:56 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
64.483° N, 146.880° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

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: 25 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.19 km E of Eielson Air Force Base, Alaska · 1994 days ago · 4 km deep · 19 km away
  2. 1.710 km ENE of Fox, Alaska · 1991 days ago · 5 km deep · 63 km away
  3. 1.59 km SSW of Ester, Alaska · 1990 days ago · 11 km deep · 65 km away
  4. 2.062 km SW of Harding-Birch Lakes, Alaska · 1984 days ago · 11 km deep · 62 km away
  5. 1.647 km ENE of Pleasant Valley, AK · 1982 days ago · 15 km deep · 74 km away
  6. 1.555 km WSW of Salcha, Alaska · 1977 days ago · 1 km deep · 54 km away
  7. 1.511 km ENE of Fox, Alaska · 1976 days ago · 2 km deep · 61 km away
  8. 1.511 km ENE of Fox, Alaska · 1971 days ago · 1 km deep · 60 km away
  9. 1.935 km SSW of South Van Horn, Alaska · 1970 days ago · 4 km deep · 57 km away
  10. 1.572 km SSW of Harding-Birch Lakes, Alaska · 1970 days ago · 193 km deep · 81 km away
  11. 1.560 km SW of Harding-Birch Lakes, Alaska · 1965 days ago · 0 km deep · 63 km away
  12. 2.410 km SSW of Ester, Alaska · 1962 days ago · 9 km deep · 65 km away
  13. 2.015 km ENE of Pleasant Valley, Alaska · 1961 days ago · 18 km deep · 52 km away
  14. 1.74 km SE of Badger, Alaska · 1960 days ago · 10 km deep · 42 km away
  15. 2.872 km SW of Delta Junction, Alaska · 1955 days ago · 9 km deep · 90 km away
  16. 1.741 km SSW of South Van Horn, Alaska · 1954 days ago · 7 km deep · 60 km away
  17. 1.5Central Alaska · 1951 days ago · 4 km deep · 61 km away
  18. 1.512 km W of Ester, Alaska · 1948 days ago · 5 km deep · 78 km away
  19. 1.626 km S of South Van Horn, Alaska · 1947 days ago · 12 km deep · 46 km away
  20. 1.517 km ENE of Fox, Alaska · 1944 days ago · 0 km deep · 62 km away
  21. 2.144 km ENE of Healy, Alaska · 1943 days ago · 97 km deep · 79 km away
  22. 2.110 km SSE of Harding-Birch Lakes, Alaska · 1943 days ago · 0 km deep · 29 km away
  23. 2.153 km E of Clear, Alaska, Alaska · 1942 days ago · 2 km deep · 66 km away
  24. 2.655 km E of Clear, Alaska, Alaska · 1939 days ago · 6 km deep · 62 km away
  25. 1.633 km SSW of South Van Horn, Alaska · 1937 days ago · 0 km deep · 54 km away

Before

  1. 2.237 km WSW of Salcha, Alaska · 2006 days ago · 13 km deep · 37 km away
  2. 1.672 km WSW of Delta Junction, Alaska · 2012 days ago · 1 km deep · 86 km away
  3. 1.88 km S of Eielson Air Force Base, Alaska · 2019 days ago · 8 km deep · 16 km away
  4. 2.111 km SSW of Ester, Alaska · 2021 days ago · 1 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214oqvogm. Read Sun, Sep 27, 2026, 11:42 PM UTC.