Alaska earthquakes

M2.8 earthquake 181 km SSE of Unalaska, Alaska

A magnitude 2.8 earthquake struck 181 km SSE of Unalaska, Alaska on Mon, Mar 25, 2024, 8:44 AM AKDT (16:44 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 117 km E of Nikolski, Alaska. This one was a foreshock.

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Map

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
2024-03-25 16:44:33 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.287° N, 165.928° 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 · ±0.105 · 12 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 5.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
263°, poorly surrounded by stations
Stations used
12

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 2.5185 km SE of Nikolski, Alaska · 915 days ago · 10 km deep · 84 km away
  2. 2.0124 km SSW of Unalaska, Alaska · 912 days ago · 11 km deep · 94 km away
  3. 2.7189 km SE of Nikolski, Alaska · 910 days ago · 10 km deep · 78 km away
  4. 2.2109 km SSE of Unalaska, Alaska · 906 days ago · 19 km deep · 86 km away
  5. 2.9202 km SSE of Unalaska, Alaska · 904 days ago · 17 km deep · 62 km away
  6. 2.2170 km SSE of Unalaska, Alaska · 900 days ago · 2 km deep · 66 km away
  7. 3.1227 km SE of Nikolski, Alaska · 899 days ago · 10 km deep · 91 km away
  8. 4.2165 km S of Unalaska, Alaska · 897 days ago · 17 km deep · 22 km away
  9. 3.4169 km S of Unalaska, Alaska · 897 days ago · 10 km deep · 18 km away
  10. 3.2123 km ESE of Nikolski, Alaska · 895 days ago · 35 km deep · 91 km away
  11. 3.0139 km ESE of Nikolski, Alaska · 895 days ago · 11 km deep · 72 km away
  12. 2.4214 km SE of Nikolski, Alaska · 893 days ago · 10 km deep · 94 km away
  13. 2.3200 km SSE of Unalaska, Alaska · 893 days ago · 7 km deep · 26 km away
  14. 2.1141 km ESE of Nikolski, Alaska · 892 days ago · 24 km deep · 79 km away
  15. 3.1140 km ESE of Nikolski, Alaska · 889 days ago · 10 km deep · 71 km away
  16. 1.685 km SSE of Unalaska, Alaska · 886 days ago · 8 km deep · 97 km away
  17. 1.9166 km ESE of Nikolski, Alaska · 885 days ago · 9 km deep · 55 km away
  18. 2.4197 km SSE of Unalaska, Alaska · 884 days ago · 18 km deep · 73 km away
  19. 3.8140 km ESE of Nikolski, Alaska · 884 days ago · 10 km deep · 71 km away
  20. 2.084 km SSE of Unalaska, Alaska · 880 days ago · 21 km deep · 98 km away
  21. 3.0175 km SSE of Unalaska, Alaska · 876 days ago · 10 km deep · 42 km away
  22. 1.984 km SSE of Unalaska, Alaska · 875 days ago · 17 km deep · 98 km away
  23. 2.7148 km ESE of Nikolski, Alaska · 874 days ago · 37 km deep · 66 km away
  24. 2.4211 km SSE of Unalaska, Alaska · 870 days ago · 7 km deep · 49 km away
  25. 2.196 km S of Unalaska, Alaska · 869 days ago · 17 km deep · 85 km away
  26. 2.9188 km SSE of Unalaska, Alaska · 868 days ago · 18 km deep · 42 km away
  27. 2.0130 km ESE of Nikolski, Alaska · 866 days ago · 12 km deep · 81 km away
  28. 4.4117 km E of Nikolski, Alaska · 865 days ago · 40 km deep · 98 km away
  29. 1.9143 km ESE of Nikolski, Alaska · 865 days ago · 19 km deep · 68 km away
  30. 2.2151 km SE of Nikolski, Alaska · 863 days ago · 15 km deep · 73 km away
  31. 2.1125 km S of Unalaska, Alaska · 860 days ago · 10 km deep · 72 km away

Before

  1. 2.4146 km S of Unalaska, Alaska · 921 days ago · 30 km deep · 54 km away
  2. 3.5124 km S of Unalaska, Alaska · 923 days ago · 5 km deep · 72 km away
  3. 3.3137 km ESE of Nikolski, Alaska · 923 days ago · 10 km deep · 75 km away
  4. 1.9118 km S of Unalaska, Alaska · 928 days ago · 2 km deep · 78 km away
  5. 1.9121 km S of Unalaska, Alaska · 928 days ago · 7 km deep · 76 km away
  6. 3.999 km S of Unalaska, Alaska · 928 days ago · 43 km deep · 97 km away
  7. 2.1131 km S of Unalaska, Alaska · 928 days ago · 7 km deep · 65 km away
  8. 2.0117 km S of Unalaska, Alaska · 928 days ago · 1 km deep · 79 km away
  9. 2.1145 km S of Unalaska, Alaska · 928 days ago · 25 km deep · 50 km away
  10. 2.2193 km SSE of Unalaska, Alaska · 929 days ago · 7 km deep · 35 km away
  11. 1.9138 km ESE of Nikolski, Alaska · 930 days ago · 5 km deep · 74 km away
  12. 2.0125 km S of Unalaska, Alaska · 930 days ago · 14 km deep · 72 km away
  13. 2.2101 km SSE of Unalaska, Alaska · 932 days ago · 2 km deep · 80 km away
  14. 2.0139 km ESE of Nikolski, Alaska · 935 days ago · 10 km deep · 72 km away
  15. 3.0133 km ESE of Nikolski, Alaska · 937 days ago · 10 km deep · 79 km away
  16. 2.9199 km SSE of Unalaska, Alaska · 937 days ago · 10 km deep · 43 km away
  17. 2.6138 km ESE of Nikolski, Alaska · 943 days ago · 10 km deep · 73 km away
  18. 2.1132 km S of Unalaska, Alaska · 944 days ago · 20 km deep · 62 km away
  19. 2.1127 km S of Unalaska, Alaska · 944 days ago · 8 km deep · 70 km away
  20. 2.3130 km S of Unalaska, Alaska · 946 days ago · 9 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000mbz3 (also filed as ak0243wugy0d). Read Thu, Oct 1, 2026, 6:21 AM UTC.