Alaska earthquakes

M1.8 earthquake 60 km SE of Adak, Alaska

A magnitude 1.8 earthquake struck 60 km SE of Adak, Alaska on Tue, Apr 27, 2021, 12:51 AM HADT (09:51 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.2 46 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-04-27 09:51:45 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
51.434° N, 176.115° 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
23

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.746 km ENE of Adak, Alaska · 1976 days ago · 8 km deep · 70 km away
  2. 1.849 km S of Adak, Alaska · 1976 days ago · 25 km deep · 30 km away
  3. 2.041 km SSE of Adak, Alaska · 1975 days ago · 36 km deep · 22 km away
  4. 2.869 km ENE of Adak, Alaska · 1975 days ago · 82 km deep · 75 km away
  5. 1.746 km W of Adak, Alaska · 1975 days ago · 80 km deep · 97 km away
  6. 2.145 km E of Adak, Alaska · 1975 days ago · 127 km deep · 56 km away
  7. 2.264 km SSE of Adak, Alaska · 1975 days ago · 23 km deep · 27 km away
  8. 1.8119 km SSW of Atka, Alaska · 1974 days ago · 7 km deep · 78 km away
  9. 1.643 km S of Adak, Alaska · 1974 days ago · 44 km deep · 31 km away
  10. 1.727 km ESE of Adak, Alaska · 1974 days ago · 98 km deep · 39 km away
  11. 3.856 km NE of Adak, Alaska · 1973 days ago · 155 km deep · 95 km away
  12. 3.6100 km SW of Atka, Alaska · 1970 days ago · 35 km deep · 64 km away
  13. 1.849 km SE of Adak, Alaska · 1969 days ago · 30 km deep · 11 km away
  14. 1.956 km W of Adak, Alaska · 1966 days ago · 11 km deep · 99 km away
  15. 1.599 km SW of Atka, Alaska · 1961 days ago · 26 km deep · 66 km away
  16. 1.934 km ENE of Adak, Alaska · 1960 days ago · 132 km deep · 58 km away
  17. 3.199 km ESE of Adak, Alaska · 1960 days ago · 35 km deep · 61 km away
  18. 1.974 km SW of Adak, Alaska · 1959 days ago · 26 km deep · 96 km away
  19. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1959 days ago · 29 km deep · 54 km away
  20. 1.652 km SW of Adak, Alaska · 1959 days ago · 45 km deep · 72 km away
  21. 3.831 km SSE of Adak, Alaska · 1959 days ago · 50 km deep · 29 km away
  22. 2.579 km WSW of Atka, Alaska · 1958 days ago · 57 km deep · 77 km away
  23. 1.957 km SSE of Adak, Alaska · 1957 days ago · 26 km deep · 9 km away
  24. 4.1101 km S of Adak, Alaska · 1949 days ago · 10 km deep · 61 km away
  25. 1.539 km NE of Adak, Alaska · 1948 days ago · 10 km deep · 75 km away
  26. 1.637 km NE of Adak, Alaska · 1948 days ago · 10 km deep · 75 km away
  27. 1.638 km NE of Adak, Alaska · 1947 days ago · 8 km deep · 76 km away
  28. 2.984 km E of Adak, Alaska · 1947 days ago · 238 km deep · 74 km away
  29. 4.065 km SW of Adak, Alaska · 1947 days ago · 43 km deep · 74 km away
  30. 2.744 km E of Adak, Alaska · 1944 days ago · 69 km deep · 44 km away
  31. 4.246 km SW of Adak, Alaska · 1943 days ago · 48 km deep · 71 km away
  32. 1.750 km W of Adak, Alaska · 1942 days ago · 71 km deep · 95 km away
  33. 2.039 km ESE of Adak, Alaska · 1942 days ago · 62 km deep · 40 km away
  34. 2.754 km WSW of Adak, Alaska · 1931 days ago · 96 km deep · 96 km away
  35. 2.873 km ESE of Adak, Alaska · 1931 days ago · 70 km deep · 49 km away
  36. 1.640 km ENE of Adak, Alaska · 1930 days ago · 154 km deep · 70 km away
  37. 2.193 km SW of Atka, Alaska · 1926 days ago · 24 km deep · 78 km away
  38. 1.754 km SSE of Adak, Alaska · 1924 days ago · 27 km deep · 23 km away
  39. 1.9105 km SSW of Atka, Alaska · 1924 days ago · 64 km deep · 74 km away
  40. 1.694 km ESE of Adak, Alaska · 1924 days ago · 36 km deep · 58 km away
  41. 1.642 km ENE of Adak, Alaska · 1920 days ago · 3 km deep · 71 km away

Before

  1. 2.057 km SSE of Adak, Alaska · 1978 days ago · 27 km deep · 5 km away
  2. 2.881 km SE of Adak, Alaska · 1978 days ago · 33 km deep · 30 km away
  3. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1978 days ago · 35 km deep · 64 km away
  4. 1.771 km SW of Atka, Alaska · 1979 days ago · 38 km deep · 86 km away
  5. 1.950 km S of Adak, Alaska · 1979 days ago · 25 km deep · 29 km away
  6. 3.893 km ESE of Adak, Alaska · 1980 days ago · 50 km deep · 60 km away
  7. 1.766 km SW of Atka, Alaska · 1980 days ago · 63 km deep · 91 km away
  8. 2.547 km SW of Adak, Alaska · 1980 days ago · 24 km deep · 75 km away
  9. 3.168 km SW of Adak, Alaska · 1980 days ago · 34 km deep · 82 km away
  10. 2.635 km NE of Adak, Alaska · 1980 days ago · 10 km deep · 72 km away
  11. 2.232 km NE of Adak, Alaska · 1981 days ago · 9 km deep · 73 km away
  12. 1.834 km ENE of Adak, Alaska · 1981 days ago · 11 km deep · 68 km away
  13. 1.560 km SSW of Adak, Alaska · 1981 days ago · 26 km deep · 59 km away
  14. 3.7106 km ESE of Adak, Alaska · 1981 days ago · 35 km deep · 62 km away
  15. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1982 days ago · 69 km deep · 40 km away
  16. 1.683 km SW of Atka, Alaska · 1982 days ago · 26 km deep · 74 km away
  17. 2.454 km ENE of Adak, Alaska · 1982 days ago · 197 km deep · 72 km away
  18. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1983 days ago · 34 km deep · 87 km away
  19. 1.861 km SSE of Adak, Alaska · 1983 days ago · 16 km deep · 4 km away
  20. 1.552 km SW of Adak, Alaska · 1983 days ago · 43 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0215dnjja1. Read Thu, Sep 24, 2026, 3:15 PM UTC.