Alaska earthquakes

M2.5 earthquake 58 km WSW of Atka, Alaska

A magnitude 2.5 earthquake struck 58 km WSW of Atka, Alaska on Mon, Feb 26, 2024, 9:09 AM HAST (19:09 UTC), 88 km (54 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
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-02-26 19:09:09 UTC
Depth
87.6 km (54.4 mi), intermediate-depth
Epicenter
51.929° N, 174.935° 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
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.4ML, 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 5.4 km horizontally, 9.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
208°, poorly surrounded by stations
Stations used
11

Nearby

Within 100 km, magnitude 1.5 and up: 153 in the 60 days after this one and 79 in the 30 days before it.

After

  1. 2.832 km SE of Atka, Alaska · 951 days ago · 69 km deep · 73 km away
  2. 2.018 km SE of Atka, Alaska · 951 days ago · 22 km deep · 68 km away
  3. 2.126 km N of Atka, Alaska · 951 days ago · 10 km deep · 76 km away
  4. 3.268 km SSW of Atka, Alaska · 950 days ago · 35 km deep · 34 km away
  5. 1.722 km NNE of Atka, Alaska · 950 days ago · 17 km deep · 76 km away
  6. 3.0102 km S of Atka, Alaska · 949 days ago · 9 km deep · 94 km away
  7. 1.727 km E of Atka, Alaska · 949 days ago · 27 km deep · 82 km away
  8. 2.061 km SE of Adak, Alaska · 949 days ago · 4 km deep · 85 km away
  9. 2.369 km SSE of Atka, Alaska · 948 days ago · 36 km deep · 87 km away
  10. 1.837 km ENE of Adak, Alaska · 947 days ago · 91 km deep · 80 km away
  11. 2.748 km E of Adak, Alaska · 947 days ago · 175 km deep · 69 km away
  12. 1.950 km SE of Adak, Alaska · 946 days ago · 42 km deep · 85 km away
  13. 2.130 km SSW of Atka, Alaska · 946 days ago · 77 km deep · 42 km away
  14. 2.031 km SSE of Atka, Alaska · 946 days ago · 13 km deep · 65 km away
  15. 3.161 km SE of Adak, Alaska · 946 days ago · 35 km deep · 99 km away
  16. 3.914 km SSE of Atka, Alaska · 945 days ago · 78 km deep · 61 km away
  17. 2.036 km ESE of Adak, Alaska · 945 days ago · 69 km deep · 83 km away
  18. 2.781 km S of Atka, Alaska · 944 days ago · 35 km deep · 61 km away
  19. 2.053 km SSW of Atka, Alaska · 944 days ago · 15 km deep · 34 km away
  20. 1.956 km SE of Adak, Alaska · 944 days ago · 10 km deep · 95 km away
  21. 1.966 km SE of Adak, Alaska · 944 days ago · 11 km deep · 85 km away
  22. 3.043 km SSE of Atka, Alaska · 943 days ago · 48 km deep · 72 km away
  23. 2.844 km NE of Adak, Alaska · 943 days ago · 137 km deep · 83 km away
  24. 2.579 km WSW of Atka, Alaska · 943 days ago · 70 km deep · 23 km away
  25. 1.613 km WNW of Atka, Alaska · 943 days ago · 6 km deep · 53 km away
  26. 3.068 km SE of Adak, Alaska · 942 days ago · 35 km deep · 97 km away
  27. 1.521 km ENE of Adak, Alaska · 942 days ago · 5 km deep · 97 km away
  28. 2.765 km SE of Adak, Alaska · 942 days ago · 35 km deep · 96 km away
  29. 2.123 km S of Atka, Alaska · 942 days ago · 68 km deep · 54 km away
  30. 2.919 km SSW of Atka, Alaska · 942 days ago · 186 km deep · 44 km away
  31. 2.665 km SE of Adak, Alaska · 942 days ago · 35 km deep · 83 km away
  32. 1.996 km SW of Atka, Alaska · 942 days ago · 25 km deep · 50 km away
  33. 2.889 km E of Adak, Alaska · 941 days ago · 60 km deep · 33 km away
  34. 3.157 km SE of Adak, Alaska · 941 days ago · 37 km deep · 86 km away
  35. 1.854 km SE of Adak, Alaska · 941 days ago · 25 km deep · 86 km away
  36. 2.025 km SSW of Atka, Alaska · 941 days ago · 52 km deep · 44 km away
  37. 2.276 km SSE of Atka, Alaska · 940 days ago · 6 km deep · 90 km away
  38. 2.188 km SSW of Atka, Alaska · 939 days ago · 11 km deep · 65 km away
  39. 2.184 km SSW of Atka, Alaska · 939 days ago · 15 km deep · 61 km away
  40. 2.074 km SSW of Atka, Alaska · 939 days ago · 18 km deep · 39 km away
  41. 2.084 km ESE of Adak, Alaska · 939 days ago · 26 km deep · 67 km away
  42. 2.169 km SSW of Atka, Alaska · 938 days ago · 14 km deep · 46 km away
  43. 2.168 km SE of Adak, Alaska · 938 days ago · 23 km deep · 95 km away
  44. 2.659 km SE of Adak, Alaska · 937 days ago · 35 km deep · 96 km away
  45. 4.694 km SW of Atka, Alaska · 936 days ago · 38 km deep · 42 km away · felt by 1
  46. 3.893 km SW of Atka, Alaska · 936 days ago · 35 km deep · 42 km away
  47. 2.296 km SW of Atka, Alaska · 936 days ago · 30 km deep · 45 km away
  48. 2.321 km SE of Atka, Alaska · 936 days ago · 78 km deep · 67 km away
  49. 2.974 km SW of Atka, Alaska · 936 days ago · 31 km deep · 23 km away
  50. 1.952 km ESE of Adak, Alaska · 936 days ago · 42 km deep · 75 km away
  51. 2.135 km NE of Adak, Alaska · 935 days ago · 98 km deep · 96 km away
  52. 1.966 km WSW of Atka, Alaska · 934 days ago · 56 km deep · 8 km away
  53. 2.079 km ESE of Adak, Alaska · 934 days ago · 30 km deep · 55 km away
  54. 3.287 km ESE of Adak, Alaska · 933 days ago · 35 km deep · 62 km away
  55. 1.943 km E of Adak, Alaska · 933 days ago · 70 km deep · 74 km away
  56. 3.128 km SW of Atka, Alaska · 933 days ago · 86 km deep · 31 km away
  57. 2.279 km WSW of Atka, Alaska · 932 days ago · 104 km deep · 27 km away
  58. 3.270 km SE of Atka, Alaska · 931 days ago · 35 km deep · 99 km away
  59. 2.165 km SE of Adak, Alaska · 930 days ago · 34 km deep · 85 km away
  60. 2.058 km S of Atka, Alaska · 929 days ago · 8 km deep · 48 km away

The first 60 of 153.

Before

  1. 1.543 km NE of Adak, Alaska · 952 days ago · 16 km deep · 87 km away
  2. 2.155 km SSW of Atka, Alaska · 953 days ago · 23 km deep · 38 km away
  3. 2.428 km NNE of Atka, Alaska · 953 days ago · 10 km deep · 80 km away
  4. 1.867 km SE of Adak, Alaska · 953 days ago · 26 km deep · 81 km away
  5. 4.087 km SW of Atka, Alaska · 954 days ago · 44 km deep · 30 km away
  6. 2.950 km SSW of Atka, Alaska · 954 days ago · 35 km deep · 38 km away
  7. 1.616 km SE of Atka, Alaska · 954 days ago · 17 km deep · 64 km away
  8. 4.474 km WNW of Atka, Alaska · 955 days ago · 150 km deep · 69 km away
  9. 2.073 km SSW of Atka, Alaska · 955 days ago · 24 km deep · 40 km away
  10. 3.246 km ESE of Adak, Alaska · 956 days ago · 63 km deep · 76 km away
  11. 3.282 km WNW of Atka, Alaska · 956 days ago · 226 km deep · 69 km away
  12. 2.787 km SSW of Atka, Alaska · 958 days ago · 35 km deep · 62 km away
  13. 3.451 km SE of Adak, Alaska · 958 days ago · 35 km deep · 96 km away
  14. 4.070 km SSW of Atka, Alaska · 959 days ago · 48 km deep · 37 km away
  15. 2.024 km N of Atka, Alaska · 961 days ago · 6 km deep · 76 km away
  16. 3.6115 km SSW of Atka, Alaska · 961 days ago · 10 km deep · 79 km away
  17. 3.1110 km SSW of Atka, Alaska · 961 days ago · 10 km deep · 73 km away
  18. 2.871 km SSW of Atka, Alaska · 961 days ago · 35 km deep · 34 km away
  19. 4.285 km WSW of Atka, Alaska · 961 days ago · 56 km deep · 27 km away
  20. 2.168 km SE of Adak, Alaska · 961 days ago · 43 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000mj1j (also filed as ak0242mkzyw8). Read Mon, Oct 5, 2026, 7:30 AM UTC.