Alaska earthquakes

M1.8 earthquake 49 km SE of Adak, Alaska

A magnitude 1.8 earthquake struck 49 km SE of Adak, Alaska on Tue, May 4, 2021, 9:15 AM HADT (18:15 UTC), 30 km (18 mi) below the surface.

A larger quake followed: M2.0 57 km W of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-05-04 18:15:39 UTC
Depth
29.6 km (18.4 mi), shallow
Epicenter
51.518° N, 176.197° 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
19

Nearby

Within 100 km, magnitude 1.5 and up: 54 in the 60 days after this one and 84 in the 30 days before it.

After

  1. 1.857 km W of Adak, Alaska · 1968 days ago · -2 km deep · 94 km away
  2. 2.057 km W of Adak, Alaska · 1967 days ago · -2 km deep · 94 km away
  3. 2.057 km W of Adak, Alaska · 1966 days ago · -2 km deep · 94 km away
  4. 1.956 km W of Adak, Alaska · 1966 days ago · 11 km deep · 91 km away
  5. 1.599 km SW of Atka, Alaska · 1960 days ago · 26 km deep · 70 km away
  6. 1.934 km ENE of Adak, Alaska · 1960 days ago · 132 km deep · 48 km away
  7. 3.199 km ESE of Adak, Alaska · 1960 days ago · 35 km deep · 64 km away
  8. 1.974 km SW of Adak, Alaska · 1959 days ago · 26 km deep · 90 km away
  9. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1959 days ago · 29 km deep · 53 km away
  10. 1.652 km SW of Adak, Alaska · 1959 days ago · 45 km deep · 65 km away
  11. 3.831 km SSE of Adak, Alaska · 1959 days ago · 50 km deep · 18 km away
  12. 2.579 km WSW of Atka, Alaska · 1958 days ago · 57 km deep · 78 km away
  13. 1.957 km SSE of Adak, Alaska · 1957 days ago · 26 km deep · 12 km away
  14. 3.975 km WSW of Adak, Alaska · 1953 days ago · 68 km deep · 96 km away
  15. 4.1101 km S of Adak, Alaska · 1949 days ago · 10 km deep · 67 km away
  16. 1.539 km NE of Adak, Alaska · 1947 days ago · 10 km deep · 65 km away
  17. 1.637 km NE of Adak, Alaska · 1947 days ago · 10 km deep · 65 km away
  18. 1.638 km NE of Adak, Alaska · 1947 days ago · 8 km deep · 66 km away
  19. 2.984 km E of Adak, Alaska · 1947 days ago · 238 km deep · 71 km away
  20. 4.065 km SW of Adak, Alaska · 1946 days ago · 43 km deep · 69 km away
  21. 2.744 km E of Adak, Alaska · 1944 days ago · 69 km deep · 36 km away
  22. 4.246 km SW of Adak, Alaska · 1943 days ago · 48 km deep · 64 km away
  23. 1.750 km W of Adak, Alaska · 1942 days ago · 71 km deep · 86 km away
  24. 2.039 km ESE of Adak, Alaska · 1942 days ago · 62 km deep · 32 km away
  25. 3.482 km SW of Adak, Alaska · 1941 days ago · 45 km deep · 96 km away
  26. 2.754 km WSW of Adak, Alaska · 1931 days ago · 96 km deep · 87 km away
  27. 2.158 km W of Adak, Alaska · 1931 days ago · 88 km deep · 98 km away
  28. 2.873 km ESE of Adak, Alaska · 1931 days ago · 70 km deep · 48 km away
  29. 1.640 km ENE of Adak, Alaska · 1930 days ago · 154 km deep · 61 km away
  30. 2.193 km SW of Atka, Alaska · 1926 days ago · 24 km deep · 83 km away
  31. 1.754 km SSE of Adak, Alaska · 1924 days ago · 27 km deep · 22 km away
  32. 1.9105 km SSW of Atka, Alaska · 1924 days ago · 64 km deep · 80 km away
  33. 1.694 km ESE of Adak, Alaska · 1923 days ago · 36 km deep · 61 km away
  34. 1.642 km ENE of Adak, Alaska · 1919 days ago · 3 km deep · 62 km away
  35. 1.652 km SSW of Adak, Alaska · 1914 days ago · 35 km deep · 60 km away
  36. 1.862 km E of Adak, Alaska · 1914 days ago · 18 km deep · 59 km away
  37. 1.769 km WSW of Adak, Alaska · 1914 days ago · 52 km deep · 93 km away
  38. 1.644 km ESE of Adak, Alaska · 1914 days ago · 68 km deep · 31 km away
  39. 2.075 km SE of Adak, Alaska · 1914 days ago · 26 km deep · 27 km away
  40. 1.524 km E of Adak, Alaska · 1914 days ago · 72 km deep · 38 km away
  41. 2.084 km ESE of Adak, Alaska · 1911 days ago · 43 km deep · 46 km away
  42. 3.2103 km ESE of Adak, Alaska · 1911 days ago · 35 km deep · 64 km away
  43. 1.972 km SW of Adak, Alaska · 1911 days ago · 34 km deep · 90 km away
  44. 2.029 km NE of Adak, Alaska · 1910 days ago · 125 km deep · 58 km away
  45. 1.539 km SSE of Adak, Alaska · 1910 days ago · 35 km deep · 13 km away
  46. 1.784 km SW of Adak, Alaska · 1909 days ago · 26 km deep · 99 km away
  47. 3.760 km WSW of Atka, Alaska · 1909 days ago · 76 km deep · 97 km away
  48. 1.648 km WSW of Adak, Alaska · 1909 days ago · 70 km deep · 79 km away
  49. 3.099 km SW of Atka, Alaska · 1909 days ago · 24 km deep · 75 km away
  50. 1.658 km W of Adak, Alaska · 1909 days ago · 115 km deep · 97 km away
  51. 1.862 km SE of Adak, Alaska · 1909 days ago · 23 km deep · 15 km away
  52. 1.867 km SSW of Adak, Alaska · 1909 days ago · 26 km deep · 59 km away
  53. 2.639 km ENE of Adak, Alaska · 1909 days ago · 96 km deep · 49 km away
  54. 3.446 km NNE of Adak, Alaska · 1909 days ago · 198 km deep · 86 km away

Before

  1. 1.767 km WSW of Adak, Alaska · 1969 days ago · 72 km deep · 96 km away
  2. 3.6100 km SW of Atka, Alaska · 1969 days ago · 35 km deep · 68 km away
  3. 3.856 km NE of Adak, Alaska · 1973 days ago · 155 km deep · 86 km away
  4. 1.727 km ESE of Adak, Alaska · 1974 days ago · 98 km deep · 29 km away
  5. 1.643 km S of Adak, Alaska · 1974 days ago · 44 km deep · 25 km away
  6. 1.8119 km SSW of Atka, Alaska · 1974 days ago · 7 km deep · 87 km away
  7. 2.264 km SSE of Adak, Alaska · 1974 days ago · 23 km deep · 30 km away
  8. 2.145 km E of Adak, Alaska · 1974 days ago · 127 km deep · 48 km away
  9. 1.746 km W of Adak, Alaska · 1975 days ago · 80 km deep · 88 km away
  10. 2.869 km ENE of Adak, Alaska · 1975 days ago · 82 km deep · 70 km away
  11. 2.041 km SSE of Adak, Alaska · 1975 days ago · 36 km deep · 13 km away
  12. 1.849 km S of Adak, Alaska · 1975 days ago · 25 km deep · 26 km away
  13. 1.746 km ENE of Adak, Alaska · 1976 days ago · 8 km deep · 62 km away
  14. 1.860 km SE of Adak, Alaska · 1976 days ago · 26 km deep · 11 km away
  15. 2.057 km SSE of Adak, Alaska · 1978 days ago · 27 km deep · 9 km away
  16. 2.881 km SE of Adak, Alaska · 1978 days ago · 33 km deep · 37 km away
  17. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1978 days ago · 35 km deep · 69 km away
  18. 1.771 km SW of Atka, Alaska · 1979 days ago · 38 km deep · 87 km away
  19. 1.950 km S of Adak, Alaska · 1979 days ago · 25 km deep · 25 km away
  20. 3.893 km ESE of Adak, Alaska · 1979 days ago · 50 km deep · 62 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0215pdg4y4. Read Thu, Sep 24, 2026, 9:36 AM UTC.