Alaska earthquakes

M2.8 earthquake 32 km SE of Atka, Alaska

A magnitude 2.8 earthquake struck 32 km SE of Atka, Alaska on Mon, Feb 26, 2024, 12:20 PM HAST (22:20 UTC), 69 km (43 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-02-26 22:20:21 UTC
Depth
68.8 km (42.7 mi), shallow
Epicenter
51.986° N, 173.871° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

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 24.1 km horizontally, 35.5 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
282°, poorly surrounded by stations
Stations used
14

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 59 in the 30 days before it.

After

  1. 2.018 km SE of Atka, Alaska · 947 days ago · 22 km deep · 15 km away
  2. 2.126 km N of Atka, Alaska · 947 days ago · 10 km deep · 54 km away
  3. 3.268 km SSW of Atka, Alaska · 947 days ago · 35 km deep · 67 km away
  4. 2.7103 km SSE of Atka, Alaska · 946 days ago · 10 km deep · 77 km away
  5. 1.722 km NNE of Atka, Alaska · 946 days ago · 17 km deep · 47 km away
  6. 3.0102 km S of Atka, Alaska · 945 days ago · 9 km deep · 80 km away
  7. 1.727 km E of Atka, Alaska · 945 days ago · 27 km deep · 22 km away
  8. 2.369 km SSE of Atka, Alaska · 944 days ago · 36 km deep · 40 km away
  9. 3.168 km SE of Atka, Alaska · 943 days ago · 35 km deep · 37 km away
  10. 2.130 km SSW of Atka, Alaska · 942 days ago · 77 km deep · 32 km away
  11. 2.031 km SSE of Atka, Alaska · 942 days ago · 13 km deep · 9 km away
  12. 2.852 km ENE of Atka, Alaska · 941 days ago · 10 km deep · 48 km away
  13. 3.914 km SSE of Atka, Alaska · 941 days ago · 78 km deep · 19 km away
  14. 2.781 km S of Atka, Alaska · 941 days ago · 35 km deep · 68 km away
  15. 2.053 km SSW of Atka, Alaska · 940 days ago · 15 km deep · 51 km away
  16. 3.043 km SSE of Atka, Alaska · 939 days ago · 48 km deep · 14 km away
  17. 2.579 km WSW of Atka, Alaska · 939 days ago · 70 km deep · 96 km away
  18. 1.613 km WNW of Atka, Alaska · 939 days ago · 6 km deep · 45 km away
  19. 2.123 km S of Atka, Alaska · 938 days ago · 68 km deep · 19 km away
  20. 2.919 km SSW of Atka, Alaska · 938 days ago · 186 km deep · 31 km away
  21. 1.996 km SW of Atka, Alaska · 938 days ago · 25 km deep · 96 km away
  22. 2.025 km SSW of Atka, Alaska · 937 days ago · 52 km deep · 30 km away
  23. 3.7109 km SE of Atka, Alaska · 936 days ago · 37 km deep · 77 km away
  24. 2.276 km SSE of Atka, Alaska · 936 days ago · 6 km deep · 47 km away
  25. 2.188 km SSW of Atka, Alaska · 935 days ago · 11 km deep · 76 km away
  26. 2.184 km SSW of Atka, Alaska · 935 days ago · 15 km deep · 73 km away
  27. 2.074 km SSW of Atka, Alaska · 935 days ago · 18 km deep · 72 km away
  28. 2.169 km SSW of Atka, Alaska · 934 days ago · 14 km deep · 62 km away
  29. 4.694 km SW of Atka, Alaska · 933 days ago · 38 km deep · 98 km away · felt by 1
  30. 3.893 km SW of Atka, Alaska · 932 days ago · 35 km deep · 97 km away
  31. 2.296 km SW of Atka, Alaska · 932 days ago · 30 km deep · 99 km away
  32. 2.321 km SE of Atka, Alaska · 932 days ago · 78 km deep · 10 km away
  33. 2.974 km SW of Atka, Alaska · 932 days ago · 31 km deep · 80 km away
  34. 2.789 km ESE of Atka, Alaska · 931 days ago · 35 km deep · 59 km away
  35. 1.966 km WSW of Atka, Alaska · 930 days ago · 56 km deep · 80 km away
  36. 3.128 km SW of Atka, Alaska · 929 days ago · 86 km deep · 44 km away
  37. 2.279 km WSW of Atka, Alaska · 928 days ago · 104 km deep · 99 km away
  38. 3.270 km SE of Atka, Alaska · 927 days ago · 35 km deep · 38 km away
  39. 2.883 km SE of Atka, Alaska · 927 days ago · 12 km deep · 51 km away
  40. 2.058 km S of Atka, Alaska · 925 days ago · 8 km deep · 48 km away
  41. 3.0106 km SE of Atka, Alaska · 924 days ago · 35 km deep · 74 km away
  42. 2.830 km S of Atka, Alaska · 924 days ago · 13 km deep · 20 km away
  43. 2.173 km SW of Atka, Alaska · 923 days ago · 53 km deep · 81 km away
  44. 3.255 km E of Atka, Alaska · 923 days ago · 14 km deep · 39 km away
  45. 1.823 km SSE of Atka, Alaska · 922 days ago · 19 km deep · 17 km away
  46. 2.244 km ESE of Atka, Alaska · 922 days ago · 19 km deep · 20 km away
  47. 1.824 km SSE of Atka, Alaska · 922 days ago · 17 km deep · 17 km away
  48. 2.249 km ESE of Atka, Alaska · 922 days ago · 10 km deep · 29 km away
  49. 1.816 km SW of Atka, Alaska · 921 days ago · 9 km deep · 35 km away
  50. 2.072 km SW of Atka, Alaska · 920 days ago · 19 km deep · 75 km away
  51. 2.060 km SW of Atka, Alaska · 920 days ago · 23 km deep · 66 km away
  52. 2.652 km SSE of Atka, Alaska · 919 days ago · 35 km deep · 25 km away
  53. 1.617 km SW of Atka, Alaska · 919 days ago · 9 km deep · 36 km away
  54. 1.832 km ESE of Atka, Alaska · 919 days ago · 4 km deep · 13 km away
  55. 2.856 km S of Atka, Alaska · 918 days ago · 168 km deep · 34 km away
  56. 1.912 km NNE of Atka, Alaska · 918 days ago · 5 km deep · 39 km away
  57. 2.651 km SE of Atka, Alaska · 918 days ago · 10 km deep · 21 km away
  58. 2.1103 km S of Atka, Alaska · 918 days ago · 0 km deep · 87 km away
  59. 1.735 km ESE of Atka, Alaska · 918 days ago · 15 km deep · 18 km away
  60. 1.838 km ESE of Atka, Alaska · 918 days ago · 7 km deep · 16 km away

The first 60 of 100.

Before

  1. 2.558 km WSW of Atka, Alaska · 948 days ago · 88 km deep · 73 km away
  2. 2.155 km SSW of Atka, Alaska · 949 days ago · 23 km deep · 51 km away
  3. 2.428 km NNE of Atka, Alaska · 949 days ago · 10 km deep · 54 km away
  4. 3.072 km ESE of Atka, Alaska · 950 days ago · 69 km deep · 50 km away
  5. 4.087 km SW of Atka, Alaska · 950 days ago · 44 km deep · 96 km away
  6. 2.950 km SSW of Atka, Alaska · 950 days ago · 35 km deep · 46 km away
  7. 1.616 km SE of Atka, Alaska · 950 days ago · 17 km deep · 16 km away
  8. 2.073 km SSW of Atka, Alaska · 951 days ago · 24 km deep · 70 km away
  9. 3.466 km E of Atka, Alaska · 953 days ago · 87 km deep · 45 km away
  10. 2.787 km SSW of Atka, Alaska · 954 days ago · 35 km deep · 76 km away
  11. 4.070 km SSW of Atka, Alaska · 955 days ago · 48 km deep · 68 km away
  12. 2.491 km E of Atka, Alaska · 956 days ago · 26 km deep · 69 km away
  13. 2.024 km N of Atka, Alaska · 957 days ago · 6 km deep · 52 km away
  14. 3.8104 km ENE of Atka, Alaska · 957 days ago · 162 km deep · 95 km away
  15. 2.871 km SSW of Atka, Alaska · 957 days ago · 35 km deep · 71 km away
  16. 4.285 km WSW of Atka, Alaska · 957 days ago · 56 km deep · 98 km away
  17. 1.916 km SW of Atka, Alaska · 957 days ago · 9 km deep · 39 km away
  18. 1.528 km ENE of Atka, Alaska · 959 days ago · 22 km deep · 36 km away
  19. 2.548 km SE of Atka, Alaska · 959 days ago · 9 km deep · 18 km away
  20. 1.993 km SW of Atka, Alaska · 960 days ago · 26 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000mj1f (also filed as ak0242mmuneu). Read Thu, Oct 1, 2026, 8:29 AM UTC.