Alaska earthquakes

M1.8 earthquake 30 km SSE of False Pass, Alaska

A magnitude 1.8 earthquake struck 30 km SSE of False Pass, Alaska on Tue, Apr 27, 2021, 12:34 AM AKDT (08:34 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.0 Unimak Island region, Alaska. This one was a foreshock.

King Cove 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
2021-04-27 08:34:03 UTC
Depth
13.3 km (8.3 mi), shallow
Epicenter
54.585° N, 163.317° 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
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 2.0Unimak Island region, Alaska · 1975 days ago · 40 km deep · 74 km away
  2. 1.829 km SSE of False Pass, Alaska · 1975 days ago · 10 km deep · 2 km away
  3. 2.0114 km ESE of Akutan, Alaska · 1974 days ago · 26 km deep · 100 km away
  4. 1.852 km ESE of False Pass, Alaska · 1974 days ago · 62 km deep · 40 km away
  5. 2.0105 km ESE of Akutan, Alaska · 1974 days ago · 67 km deep · 90 km away
  6. 2.1114 km ESE of Akutan, Alaska · 1974 days ago · 26 km deep · 100 km away
  7. 1.737 km SSE of False Pass, Alaska · 1974 days ago · 63 km deep · 9 km away
  8. 1.532 km S of False Pass, Alaska · 1974 days ago · 13 km deep · 4 km away
  9. 1.926 km SSE of King Cove, Alaska · 1973 days ago · 90 km deep · 77 km away
  10. 2.597 km SSE of False Pass, Alaska · 1973 days ago · 7 km deep · 69 km away
  11. 1.619 km SSW of Cold Bay, Alaska · 1972 days ago · 4 km deep · 58 km away
  12. 1.932 km S of False Pass, Alaska · 1965 days ago · 6 km deep · 8 km away
  13. 1.836 km S of False Pass, Alaska · 1964 days ago · 8 km deep · 7 km away
  14. 3.384 km SSE of False Pass, Alaska · 1963 days ago · 13 km deep · 56 km away
  15. 1.627 km S of King Cove, Alaska · 1959 days ago · 72 km deep · 68 km away
  16. 2.123 km SSE of False Pass, Alaska · 1959 days ago · 9 km deep · 7 km away
  17. 2.024 km S of False Pass, Alaska · 1958 days ago · 18 km deep · 6 km away
  18. 2.4110 km S of King Cove, Alaska · 1956 days ago · 6 km deep · 94 km away
  19. 1.539 km S of False Pass, Alaska · 1953 days ago · 1 km deep · 12 km away
  20. 2.298 km S of False Pass, Alaska · 1943 days ago · 16 km deep · 68 km away
  21. 1.873 km SSE of King Cove, Alaska · 1943 days ago · 14 km deep · 87 km away
  22. 1.923 km SSE of False Pass, Alaska · 1943 days ago · 13 km deep · 7 km away
  23. 3.225 km NW of False Pass, Alaska · 1935 days ago · 22 km deep · 54 km away
  24. 2.559 km S of King Cove, Alaska · 1931 days ago · 53 km deep · 67 km away
  25. 1.524 km S of False Pass, Alaska · 1924 days ago · 13 km deep · 6 km away
  26. 2.893 km SSE of False Pass, Alaska · 1923 days ago · 35 km deep · 63 km away
  27. 1.685 km SE of False Pass, Alaska · 1923 days ago · 10 km deep · 61 km away
  28. 1.630 km SSE of False Pass, Alaska · 1923 days ago · 13 km deep · 5 km away
  29. 3.281 km SE of False Pass, Alaska · 1922 days ago · 27 km deep · 54 km away
  30. 2.5Alaska Peninsula · 1921 days ago · 20 km deep · 51 km away

Before

  1. 1.626 km SSE of False Pass, Alaska · 1976 days ago · 11 km deep · 4 km away
  2. 2.029 km W of False Pass, Alaska · 1976 days ago · 25 km deep · 43 km away
  3. 1.899 km ESE of Akutan, Alaska · 1976 days ago · 26 km deep · 94 km away
  4. 1.7100 km ESE of Akutan, Alaska · 1976 days ago · 38 km deep · 93 km away
  5. 1.728 km SSE of False Pass, Alaska · 1976 days ago · 16 km deep · 3 km away
  6. 2.187 km W of False Pass, Alaska · 1977 days ago · 123 km deep · 96 km away
  7. 2.328 km NE of False Pass, Alaska · 1977 days ago · 99 km deep · 53 km away
  8. 2.150 km SSW of King Cove, Alaska · 1978 days ago · 13 km deep · 48 km away
  9. 2.798 km SSE of False Pass, Alaska · 1979 days ago · 10 km deep · 68 km away
  10. 1.867 km SSE of King Cove, Alaska · 1979 days ago · 26 km deep · 97 km away
  11. 2.29 km S of False Pass, Alaska · 1979 days ago · 93 km deep · 21 km away
  12. 3.5100 km ESE of Akutan, Alaska · 1979 days ago · 19 km deep · 98 km away
  13. 1.942 km SE of False Pass, Alaska · 1979 days ago · 18 km deep · 22 km away
  14. 1.952 km SSW of King Cove, Alaska · 1982 days ago · 56 km deep · 51 km away
  15. 2.940 km SSE of False Pass, Alaska · 1983 days ago · 18 km deep · 10 km away
  16. 2.129 km SE of False Pass, Alaska · 1983 days ago · 82 km deep · 16 km away
  17. 1.824 km SSE of False Pass, Alaska · 1983 days ago · 24 km deep · 6 km away
  18. 2.144 km S of King Cove, Alaska · 1984 days ago · 59 km deep · 67 km away
  19. 1.8119 km S of False Pass, Alaska · 1984 days ago · 26 km deep · 89 km away
  20. 2.799 km SE of False Pass, Alaska · 1985 days ago · 21 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0215dmud7d. Read Wed, Sep 23, 2026, 3:31 PM UTC.