Alaska earthquakes

M1.6 earthquake 19 km SSW of Cold Bay, Alaska

A magnitude 1.6 earthquake struck 19 km SSW of Cold Bay, Alaska on Fri, Apr 30, 2021, 10:21 AM AKDT (18:21 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M1.9 32 km S of False Pass, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2021-04-30 18:21:49 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
55.025° N, 162.834° 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.

Location uncertainty
About 1.0 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
157°
Stations used
9

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 45 in the 30 days before it.

After

  1. 1.932 km S of False Pass, Alaska · 1964 days ago · 6 km deep · 64 km away
  2. 1.836 km S of False Pass, Alaska · 1964 days ago · 8 km deep · 64 km away
  3. 3.384 km SSE of False Pass, Alaska · 1963 days ago · 13 km deep · 94 km away
  4. 1.569 km ESE of King Cove, Alaska · 1959 days ago · 47 km deep · 100 km away
  5. 1.627 km S of King Cove, Alaska · 1959 days ago · 72 km deep · 40 km away
  6. 2.123 km SSE of False Pass, Alaska · 1959 days ago · 9 km deep · 52 km away
  7. 2.024 km S of False Pass, Alaska · 1958 days ago · 18 km deep · 54 km away
  8. 1.539 km S of False Pass, Alaska · 1953 days ago · 1 km deep · 69 km away
  9. 2.070 km SSE of King Cove, Alaska · 1952 days ago · 5 km deep · 90 km away
  10. 1.854 km ESE of King Cove, Alaska · 1944 days ago · 59 km deep · 85 km away
  11. 1.873 km SSE of King Cove, Alaska · 1943 days ago · 14 km deep · 85 km away
  12. 1.923 km SSE of False Pass, Alaska · 1943 days ago · 13 km deep · 52 km away
  13. 3.225 km NW of False Pass, Alaska · 1935 days ago · 22 km deep · 53 km away
  14. 1.982 km SSE of King Cove, Alaska · 1935 days ago · 46 km deep · 100 km away
  15. 2.559 km S of King Cove, Alaska · 1931 days ago · 53 km deep · 66 km away
  16. 1.524 km S of False Pass, Alaska · 1924 days ago · 13 km deep · 54 km away
  17. 1.666 km SE of King Cove, Alaska · 1923 days ago · 26 km deep · 87 km away
  18. 1.685 km SE of False Pass, Alaska · 1923 days ago · 10 km deep · 84 km away
  19. 1.630 km SSE of False Pass, Alaska · 1923 days ago · 13 km deep · 54 km away
  20. 3.281 km SE of False Pass, Alaska · 1922 days ago · 27 km deep · 86 km away
  21. 2.5Alaska Peninsula · 1921 days ago · 20 km deep · 33 km away
  22. 1.740 km S of False Pass, Alaska · 1915 days ago · -3 km deep · 72 km away
  23. 1.547 km SE of False Pass, Alaska · 1913 days ago · 10 km deep · 55 km away
  24. 1.571 km SSE of King Cove, Alaska · 1913 days ago · 36 km deep · 87 km away
  25. 1.938 km SSE of False Pass, Alaska · 1913 days ago · 78 km deep · 63 km away

Before

  1. 3.049 km NE of King Cove, Alaska · 1972 days ago · 119 km deep · 78 km away
  2. 1.926 km SSE of King Cove, Alaska · 1973 days ago · 90 km deep · 46 km away
  3. 1.532 km S of False Pass, Alaska · 1974 days ago · 13 km deep · 61 km away
  4. 1.737 km SSE of False Pass, Alaska · 1974 days ago · 63 km deep · 58 km away
  5. 1.852 km ESE of False Pass, Alaska · 1974 days ago · 62 km deep · 47 km away
  6. 1.829 km SSE of False Pass, Alaska · 1975 days ago · 10 km deep · 56 km away
  7. 1.830 km SSE of False Pass, Alaska · 1975 days ago · 13 km deep · 58 km away
  8. 1.626 km SSE of False Pass, Alaska · 1976 days ago · 11 km deep · 55 km away
  9. 2.029 km W of False Pass, Alaska · 1976 days ago · 25 km deep · 70 km away
  10. 1.728 km SSE of False Pass, Alaska · 1976 days ago · 16 km deep · 54 km away
  11. 2.853 km SW of Nelson Lagoon, Alaska · 1977 days ago · 168 km deep · 97 km away
  12. 2.328 km NE of False Pass, Alaska · 1977 days ago · 99 km deep · 19 km away
  13. 2.360 km ESE of King Cove, Alaska · 1978 days ago · 49 km deep · 88 km away
  14. 2.150 km SSW of King Cove, Alaska · 1978 days ago · 13 km deep · 47 km away
  15. 1.867 km SSE of King Cove, Alaska · 1979 days ago · 26 km deep · 86 km away
  16. 2.29 km S of False Pass, Alaska · 1979 days ago · 93 km deep · 46 km away
  17. 1.942 km SE of False Pass, Alaska · 1979 days ago · 18 km deep · 52 km away
  18. 2.279 km SSE of King Cove, Alaska · 1979 days ago · 13 km deep · 96 km away
  19. 1.952 km SSW of King Cove, Alaska · 1982 days ago · 56 km deep · 50 km away
  20. 2.940 km SSE of False Pass, Alaska · 1983 days ago · 18 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91025853. Read Wed, Sep 23, 2026, 1:24 PM UTC.