Alaska earthquakes

M2.3 earthquake 63 km S of Atka, Alaska

A magnitude 2.3 earthquake struck 63 km S of Atka, Alaska on Thu, Apr 29, 2021, 4:29 AM HADT (13:29 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M5.1 75 km SE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.3 (ml), micro
Local time
UTC
2021-04-29 13:29:30 UTC
Depth
20.8 km (12.9 mi), shallow
Epicenter
51.622° N, 174.189° 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
27

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 63 in the 30 days before it.

After

  1. 3.7126 km SSE of Atka, Alaska · 1976 days ago · 38 km deep · 73 km away
  2. 3.345 km SSE of Atka, Alaska · 1976 days ago · 56 km deep · 33 km away
  3. 3.6100 km SW of Atka, Alaska · 1974 days ago · 35 km deep · 71 km away
  4. 1.599 km SW of Atka, Alaska · 1965 days ago · 26 km deep · 69 km away
  5. 3.199 km ESE of Adak, Alaska · 1964 days ago · 35 km deep · 75 km away
  6. 2.684 km SSE of Atka, Alaska · 1964 days ago · 35 km deep · 43 km away
  7. 2.955 km SW of Atka, Alaska · 1964 days ago · 51 km deep · 44 km away
  8. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1963 days ago · 29 km deep · 95 km away
  9. 2.579 km WSW of Atka, Alaska · 1962 days ago · 57 km deep · 71 km away
  10. 2.1140 km SSE of Atka, Alaska · 1959 days ago · 38 km deep · 83 km away
  11. 3.955 km SSE of Atka, Alaska · 1956 days ago · 35 km deep · 24 km away
  12. 4.295 km SE of Atka, Alaska · 1956 days ago · 16 km deep · 62 km away
  13. 4.281 km SE of Atka, Alaska · 1955 days ago · 41 km deep · 60 km away
  14. 5.175 km SE of Atka, Alaska · 1955 days ago · 21 km deep · 56 km away
  15. 3.879 km SE of Atka, Alaska · 1955 days ago · 45 km deep · 54 km away
  16. 3.6123 km SSE of Atka, Alaska · 1955 days ago · 39 km deep · 76 km away
  17. 4.198 km SE of Atka, Alaska · 1955 days ago · 45 km deep · 63 km away
  18. 4.099 km SE of Atka, Alaska · 1955 days ago · 35 km deep · 65 km away
  19. 2.984 km E of Adak, Alaska · 1951 days ago · 238 km deep · 91 km away
  20. 4.245 km E of Atka, Alaska · 1947 days ago · 148 km deep · 79 km away
  21. 2.042 km SW of Atka, Alaska · 1946 days ago · 55 km deep · 45 km away
  22. 2.4118 km SSE of Atka, Alaska · 1946 days ago · 37 km deep · 57 km away
  23. 3.3107 km SSE of Atka, Alaska · 1943 days ago · 33 km deep · 63 km away
  24. 2.6163 km S of Atka, Alaska · 1941 days ago · 27 km deep · 99 km away
  25. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1937 days ago · 35 km deep · 39 km away
  26. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1936 days ago · 35 km deep · 65 km away
  27. 2.873 km ESE of Adak, Alaska · 1935 days ago · 70 km deep · 98 km away
  28. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1934 days ago · 35 km deep · 36 km away
  29. 4.189 km SSE of Atka, Alaska · 1934 days ago · 30 km deep · 48 km away
  30. 2.915 km NNE of Atka, Alaska · 1934 days ago · 178 km deep · 79 km away
  31. 2.193 km SW of Atka, Alaska · 1930 days ago · 24 km deep · 57 km away
  32. 1.9105 km SSW of Atka, Alaska · 1928 days ago · 64 km deep · 65 km away
  33. 1.694 km ESE of Adak, Alaska · 1928 days ago · 36 km deep · 78 km away
  34. 2.994 km SE of Atka, Alaska · 1924 days ago · 11 km deep · 56 km away
  35. 2.4135 km SSE of Atka, Alaska · 1919 days ago · 32 km deep · 74 km away
  36. 4.066 km ESE of Atka, AK · 1918 days ago · 63 km deep · 77 km away

Before

  1. 2.194 km SE of Atka, Alaska · 1978 days ago · 18 km deep · 62 km away
  2. 1.8119 km SSW of Atka, Alaska · 1979 days ago · 7 km deep · 71 km away
  3. 1.943 km SSW of Atka, Alaska · 1980 days ago · 44 km deep · 25 km away
  4. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1981 days ago · 6 km deep · 57 km away
  5. 2.256 km WNW of Atka, Alaska · 1981 days ago · 78 km deep · 98 km away
  6. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1983 days ago · 35 km deep · 71 km away
  7. 1.978 km SE of Atka, Alaska · 1983 days ago · 12 km deep · 58 km away
  8. 1.771 km SW of Atka, Alaska · 1983 days ago · 38 km deep · 63 km away
  9. 3.893 km ESE of Adak, Alaska · 1984 days ago · 50 km deep · 79 km away
  10. 1.766 km SW of Atka, Alaska · 1984 days ago · 63 km deep · 56 km away
  11. 3.168 km SE of Atka, Alaska · 1984 days ago · 35 km deep · 59 km away
  12. 2.120 km ESE of Atka, Alaska · 1984 days ago · 146 km deep · 60 km away
  13. 2.154 km E of Atka, Alaska · 1984 days ago · 88 km deep · 80 km away
  14. 2.237 km ESE of Atka, Alaska · 1985 days ago · 153 km deep · 64 km away
  15. 3.7106 km ESE of Adak, Alaska · 1985 days ago · 35 km deep · 74 km away
  16. 3.0Andreanof Islands, Aleutian Islands, Alaska · 1985 days ago · 192 km deep · 82 km away
  17. 2.220 km E of Atka, Alaska · 1986 days ago · 115 km deep · 70 km away
  18. 1.683 km SW of Atka, Alaska · 1986 days ago · 26 km deep · 69 km away
  19. 1.9121 km SSW of Atka, Alaska · 1988 days ago · 8 km deep · 71 km away
  20. 2.6102 km ESE of Adak, Alaska · 1988 days ago · 35 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0215h0v7uo. Read Mon, Sep 28, 2026, 7:36 PM UTC.