Alaska earthquakes

M2.8 earthquake 56 km S of Atka, Alaska

A magnitude 2.8 earthquake struck 56 km S of Atka, Alaska on Tue, Mar 26, 2024, 5:09 PM HADT (02:09 UTC), 168 km (104 mi) below the surface.

A larger quake followed: M3.8 22 km ENE 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
2024-03-27 02:09:16 UTC
Depth
167.7 km (104.2 mi), intermediate-depth
Epicenter
51.695° N, 174.039° 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 · ±0.097 · 14 stations
2.6ML, 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 21.6 km horizontally, 18.0 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
271°, poorly surrounded by stations
Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 1.912 km NNE of Atka, Alaska · 918 days ago · 5 km deep · 67 km away
  2. 2.651 km SE of Atka, Alaska · 918 days ago · 10 km deep · 42 km away
  3. 2.1103 km S of Atka, Alaska · 918 days ago · 0 km deep · 53 km away
  4. 1.735 km ESE of Atka, Alaska · 918 days ago · 15 km deep · 51 km away
  5. 1.838 km ESE of Atka, Alaska · 918 days ago · 7 km deep · 48 km away
  6. 2.193 km ESE of Adak, Alaska · 918 days ago · 22 km deep · 99 km away
  7. 1.820 km N of Atka, Alaska · 917 days ago · 1 km deep · 77 km away
  8. 2.174 km SW of Atka, Alaska · 917 days ago · 46 km deep · 74 km away
  9. 3.413 km NW of Atka, Alaska · 916 days ago · 184 km deep · 67 km away
  10. 2.770 km WSW of Atka, Alaska · 915 days ago · 91 km deep · 91 km away
  11. 2.178 km SW of Atka, Alaska · 915 days ago · 21 km deep · 69 km away
  12. 1.818 km NNE of Atka, Alaska · 915 days ago · 1 km deep · 73 km away
  13. 2.227 km N of Atka, Alaska · 915 days ago · 4 km deep · 83 km away
  14. 3.231 km ESE of Atka, Alaska · 915 days ago · 104 km deep · 45 km away
  15. 3.239 km E of Atka, Alaska · 914 days ago · 120 km deep · 58 km away
  16. 2.165 km WSW of Atka, Alaska · 914 days ago · 55 km deep · 71 km away
  17. 2.037 km ESE of Atka, Alaska · 913 days ago · 10 km deep · 52 km away
  18. 1.973 km SSW of Atka, Alaska · 912 days ago · 16 km deep · 50 km away
  19. 1.968 km SSW of Atka, Alaska · 912 days ago · 20 km deep · 49 km away
  20. 2.316 km SW of Atka, Alaska · 911 days ago · 58 km deep · 51 km away
  21. 3.0106 km S of Atka, Alaska · 910 days ago · 35 km deep · 55 km away
  22. 1.724 km SSE of Atka, Alaska · 910 days ago · 15 km deep · 32 km away
  23. 2.072 km SW of Atka, Alaska · 909 days ago · 21 km deep · 58 km away
  24. 1.732 km NE of Atka, Alaska · 908 days ago · 31 km deep · 81 km away
  25. 2.967 km SW of Atka, Alaska · 907 days ago · 85 km deep · 69 km away
  26. 2.035 km NE of Atka, Alaska · 907 days ago · 29 km deep · 80 km away
  27. 2.833 km NW of Atka, Alaska · 906 days ago · 183 km deep · 88 km away
  28. 2.2120 km SSW of Atka, Alaska · 906 days ago · 2 km deep · 76 km away
  29. 2.1113 km SSW of Atka, Alaska · 901 days ago · 31 km deep · 83 km away
  30. 1.947 km WSW of Atka, Alaska · 901 days ago · 24 km deep · 63 km away
  31. 1.975 km S of Atka, Alaska · 901 days ago · 14 km deep · 30 km away
  32. 1.937 km SSE of Atka, Alaska · 901 days ago · 67 km deep · 23 km away
  33. 1.698 km ESE of Adak, Alaska · 901 days ago · 26 km deep · 86 km away
  34. 2.195 km SW of Atka, Alaska · 900 days ago · 45 km deep · 84 km away
  35. 2.140 km S of Atka, Alaska · 896 days ago · 38 km deep · 17 km away
  36. 3.192 km SE of Atka, Alaska · 895 days ago · 21 km deep · 47 km away
  37. 1.934 km ESE of Atka, Alaska · 895 days ago · 4 km deep · 43 km away
  38. 3.164 km SE of Atka, Alaska · 895 days ago · 35 km deep · 33 km away
  39. 2.767 km SE of Atka, Alaska · 895 days ago · 35 km deep · 35 km away
  40. 2.6102 km ESE of Adak, Alaska · 895 days ago · 35 km deep · 87 km away
  41. 1.697 km ESE of Adak, Alaska · 895 days ago · 34 km deep · 89 km away
  42. 1.668 km WSW of Atka, Alaska · 894 days ago · 63 km deep · 76 km away
  43. 1.955 km SE of Atka, Alaska · 894 days ago · 25 km deep · 22 km away
  44. 1.643 km SSW of Atka, Alaska · 894 days ago · 24 km deep · 40 km away
  45. 3.216 km NNE of Atka, Alaska · 893 days ago · 14 km deep · 70 km away
  46. 3.373 km SW of Atka, Alaska · 892 days ago · 49 km deep · 63 km away
  47. 2.163 km SSE of Atka, Alaska · 890 days ago · 26 km deep · 8 km away
  48. 2.055 km SW of Atka, Alaska · 889 days ago · 24 km deep · 44 km away
  49. 3.227 km E of Atka, Alaska · 889 days ago · 146 km deep · 62 km away
  50. 1.955 km SSW of Atka, Alaska · 888 days ago · 16 km deep · 31 km away
  51. 2.3111 km SSE of Atka, Alaska · 887 days ago · 27 km deep · 58 km away
  52. 1.599 km SW of Atka, Alaska · 887 days ago · 31 km deep · 85 km away
  53. 1.715 km S of Atka, Alaska · 887 days ago · 16 km deep · 41 km away
  54. 1.950 km SE of Atka, Alaska · 887 days ago · 80 km deep · 31 km away
  55. 2.172 km SSE of Atka, Alaska · 886 days ago · 14 km deep · 28 km away
  56. 2.067 km ESE of Atka, Alaska · 886 days ago · 59 km deep · 55 km away
  57. 2.931 km E of Atka, Alaska · 885 days ago · 126 km deep · 64 km away
  58. 2.231 km WNW of Atka, Alaska · 885 days ago · 145 km deep · 81 km away
  59. 3.328 km WNW of Atka, Alaska · 885 days ago · 109 km deep · 77 km away
  60. 3.498 km SW of Atka, Alaska · 885 days ago · 35 km deep · 82 km away

The first 60 of 106.

Before

  1. 1.832 km ESE of Atka, Alaska · 919 days ago · 4 km deep · 47 km away
  2. 1.617 km SW of Atka, Alaska · 919 days ago · 9 km deep · 49 km away
  3. 2.652 km SSE of Atka, Alaska · 919 days ago · 35 km deep · 12 km away
  4. 2.060 km SW of Atka, Alaska · 920 days ago · 23 km deep · 52 km away
  5. 2.072 km SW of Atka, Alaska · 920 days ago · 19 km deep · 55 km away
  6. 3.4103 km SW of Atka, Alaska · 920 days ago · 35 km deep · 82 km away
  7. 2.7102 km ESE of Adak, Alaska · 921 days ago · 35 km deep · 88 km away
  8. 1.816 km SW of Atka, Alaska · 921 days ago · 9 km deep · 48 km away
  9. 2.249 km ESE of Atka, Alaska · 922 days ago · 10 km deep · 59 km away
  10. 1.824 km SSE of Atka, Alaska · 922 days ago · 17 km deep · 33 km away
  11. 2.244 km ESE of Atka, Alaska · 922 days ago · 19 km deep · 49 km away
  12. 2.4114 km SSW of Atka, Alaska · 922 days ago · 6 km deep · 85 km away
  13. 1.823 km SSE of Atka, Alaska · 922 days ago · 19 km deep · 33 km away
  14. 3.3129 km SSW of Atka, Alaska · 923 days ago · 10 km deep · 92 km away
  15. 3.255 km E of Atka, Alaska · 923 days ago · 14 km deep · 69 km away
  16. 2.173 km SW of Atka, Alaska · 923 days ago · 53 km deep · 65 km away
  17. 2.830 km S of Atka, Alaska · 925 days ago · 13 km deep · 26 km away
  18. 3.0106 km SE of Atka, Alaska · 925 days ago · 35 km deep · 67 km away
  19. 2.058 km S of Atka, Alaska · 925 days ago · 8 km deep · 22 km away
  20. 2.883 km SE of Atka, Alaska · 927 days ago · 12 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000mcf9 (also filed as ak0243zx00w7). Read Thu, Oct 1, 2026, 2:19 PM UTC.