Alaska earthquakes

M1.5 earthquake 43 km NE of Adak, Alaska

A magnitude 1.5 earthquake struck 43 km NE of Adak, Alaska on Sun, Feb 25, 2024, 11:40 PM HAST (09:40 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.6 94 km SW of Atka, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2024-02-26 09:40:17 UTC
Depth
15.7 km (9.7 mi), shallow
Epicenter
52.130° N, 176.161° 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 2.2 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
284°, poorly surrounded by stations
Stations used
6

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 79 in the 30 days before it.

After

  1. 1.614 km N of Adak, Alaska · 949 days ago · 13 km deep · 36 km away
  2. 2.558 km WSW of Atka, Alaska · 948 days ago · 88 km deep · 87 km away
  3. 3.544 km SW of Adak, Alaska · 946 days ago · 71 km deep · 88 km away
  4. 2.061 km SE of Adak, Alaska · 946 days ago · 4 km deep · 71 km away
  5. 1.944 km S of Adak, Alaska · 945 days ago · 33 km deep · 82 km away
  6. 1.957 km S of Adak, Alaska · 945 days ago · 21 km deep · 89 km away
  7. 1.837 km ENE of Adak, Alaska · 944 days ago · 91 km deep · 21 km away
  8. 1.647 km WSW of Adak, Alaska · 944 days ago · 14 km deep · 87 km away
  9. 2.748 km E of Adak, Alaska · 944 days ago · 175 km deep · 29 km away
  10. 3.846 km S of Adak, Alaska · 943 days ago · 39 km deep · 83 km away
  11. 1.950 km SE of Adak, Alaska · 943 days ago · 42 km deep · 60 km away
  12. 3.161 km SE of Adak, Alaska · 943 days ago · 35 km deep · 79 km away
  13. 2.036 km ESE of Adak, Alaska · 942 days ago · 69 km deep · 37 km away
  14. 1.956 km SE of Adak, Alaska · 941 days ago · 10 km deep · 72 km away
  15. 1.966 km SE of Adak, Alaska · 941 days ago · 11 km deep · 76 km away
  16. 2.844 km NE of Adak, Alaska · 940 days ago · 137 km deep · 4 km away
  17. 2.579 km WSW of Atka, Alaska · 940 days ago · 70 km deep · 65 km away
  18. 3.068 km SE of Adak, Alaska · 939 days ago · 35 km deep · 83 km away
  19. 1.521 km ENE of Adak, Alaska · 939 days ago · 5 km deep · 25 km away
  20. 2.765 km SE of Adak, Alaska · 939 days ago · 35 km deep · 81 km away
  21. 1.856 km SSW of Adak, Alaska · 939 days ago · 37 km deep · 97 km away
  22. 2.665 km SE of Adak, Alaska · 939 days ago · 35 km deep · 73 km away
  23. 2.889 km E of Adak, Alaska · 938 days ago · 60 km deep · 68 km away
  24. 3.652 km S of Adak, Alaska · 938 days ago · 35 km deep · 90 km away
  25. 3.157 km SE of Adak, Alaska · 938 days ago · 37 km deep · 67 km away
  26. 1.854 km SE of Adak, Alaska · 938 days ago · 25 km deep · 64 km away
  27. 2.151 km WSW of Adak, Alaska · 938 days ago · 62 km deep · 91 km away
  28. 3.041 km S of Adak, Alaska · 937 days ago · 53 km deep · 80 km away
  29. 2.966 km SE of Adak, Alaska · 937 days ago · 35 km deep · 83 km away
  30. 2.446 km W of Adak, Alaska · 937 days ago · 124 km deep · 85 km away
  31. 2.028 km SSE of Adak, Alaska · 937 days ago · 54 km deep · 61 km away
  32. 2.084 km ESE of Adak, Alaska · 936 days ago · 26 km deep · 82 km away
  33. 3.148 km WSW of Adak, Alaska · 936 days ago · 76 km deep · 92 km away
  34. 2.168 km SE of Adak, Alaska · 935 days ago · 23 km deep · 82 km away
  35. 2.659 km SE of Adak, Alaska · 934 days ago · 35 km deep · 75 km away
  36. 4.694 km SW of Atka, Alaska · 933 days ago · 38 km deep · 94 km away · felt by 1
  37. 3.893 km SW of Atka, Alaska · 933 days ago · 35 km deep · 96 km away
  38. 2.296 km SW of Atka, Alaska · 933 days ago · 30 km deep · 97 km away
  39. 2.034 km SW of Adak, Alaska · 933 days ago · 62 km deep · 77 km away
  40. 2.038 km S of Adak, Alaska · 933 days ago · 38 km deep · 73 km away
  41. 2.974 km SW of Atka, Alaska · 933 days ago · 31 km deep · 94 km away
  42. 1.952 km ESE of Adak, Alaska · 932 days ago · 42 km deep · 54 km away
  43. 2.135 km NE of Adak, Alaska · 932 days ago · 98 km deep · 10 km away
  44. 1.962 km SSE of Adak, Alaska · 932 days ago · 26 km deep · 83 km away
  45. 2.057 km S of Adak, Alaska · 932 days ago · 23 km deep · 91 km away
  46. 1.966 km WSW of Atka, Alaska · 931 days ago · 56 km deep · 82 km away
  47. 2.079 km ESE of Adak, Alaska · 931 days ago · 30 km deep · 70 km away
  48. 3.287 km ESE of Adak, Alaska · 930 days ago · 35 km deep · 82 km away
  49. 1.716 km WNW of Adak, Alaska · 930 days ago · 13 km deep · 53 km away
  50. 1.824 km SSW of Adak, Alaska · 930 days ago · 50 km deep · 66 km away
  51. 1.855 km SSW of Adak, Alaska · 930 days ago · 37 km deep · 98 km away
  52. 1.943 km E of Adak, Alaska · 930 days ago · 70 km deep · 35 km away
  53. 2.279 km WSW of Atka, Alaska · 929 days ago · 104 km deep · 60 km away
  54. 2.165 km SE of Adak, Alaska · 926 days ago · 34 km deep · 74 km away
  55. 2.123 km SE of Adak, Alaska · 926 days ago · 65 km deep · 45 km away
  56. 2.751 km SSW of Adak, Alaska · 926 days ago · 35 km deep · 90 km away
  57. 1.947 km SW of Adak, Alaska · 925 days ago · 43 km deep · 90 km away
  58. 1.857 km SSW of Adak, Alaska · 925 days ago · 33 km deep · 99 km away
  59. 2.759 km S of Adak, Alaska · 925 days ago · 35 km deep · 98 km away
  60. 1.761 km SSW of Adak, Alaska · 924 days ago · 28 km deep · 100 km away

The first 60 of at least 199.

Before

  1. 1.867 km SE of Adak, Alaska · 950 days ago · 26 km deep · 74 km away
  2. 1.758 km SSE of Adak, Alaska · 950 days ago · 25 km deep · 79 km away
  3. 4.087 km SW of Atka, Alaska · 950 days ago · 44 km deep · 79 km away
  4. 2.655 km WNW of Adak, Alaska · 951 days ago · 90 km deep · 86 km away
  5. 4.474 km WNW of Atka, Alaska · 952 days ago · 150 km deep · 83 km away
  6. 3.246 km ESE of Adak, Alaska · 953 days ago · 63 km deep · 46 km away
  7. 3.282 km WNW of Atka, Alaska · 953 days ago · 226 km deep · 72 km away
  8. 2.115 km S of Adak, Alaska · 954 days ago · 62 km deep · 54 km away
  9. 3.451 km SE of Adak, Alaska · 955 days ago · 35 km deep · 68 km away
  10. 2.759 km SSE of Adak, Alaska · 956 days ago · 35 km deep · 80 km away
  11. 2.653 km SSE of Adak, Alaska · 956 days ago · 35 km deep · 84 km away
  12. 2.641 km S of Adak, Alaska · 956 days ago · 35 km deep · 76 km away
  13. 1.757 km WSW of Adak, Alaska · 957 days ago · 24 km deep · 99 km away
  14. 1.745 km SE of Adak, Alaska · 957 days ago · 30 km deep · 65 km away
  15. 4.285 km WSW of Atka, Alaska · 958 days ago · 56 km deep · 71 km away
  16. 2.168 km SE of Adak, Alaska · 958 days ago · 43 km deep · 76 km away
  17. 2.537 km SW of Adak, Alaska · 958 days ago · 71 km deep · 80 km away
  18. 2.175 km E of Adak, Alaska · 959 days ago · 25 km deep · 58 km away
  19. 1.553 km S of Adak, Alaska · 960 days ago · 17 km deep · 86 km away
  20. 1.911 km N of Adak, Alaska · 961 days ago · 107 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91134098. Read Fri, Oct 2, 2026, 5:44 AM UTC.