Alaska earthquakes

M2.5 earthquake 185 km SE of Nikolski, Alaska

A magnitude 2.5 earthquake struck 185 km SE of Nikolski, Alaska on Fri, Mar 29, 2024, 7:28 PM AKDT (03:28 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 165 km S of Unalaska, 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
2.5 (ml), micro
Local time
UTC
2024-03-30 03:28:42 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.803° N, 166.876° 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 8.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
271°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 3.094 km SE of Nikolski, Alaska · 910 days ago · 11 km deep · 95 km away
  2. 2.7189 km SE of Nikolski, Alaska · 909 days ago · 10 km deep · 7 km away
  3. 2.292 km SE of Nikolski, Alaska · 901 days ago · 8 km deep · 95 km away
  4. 3.1227 km SE of Nikolski, Alaska · 898 days ago · 10 km deep · 42 km away
  5. 4.2165 km S of Unalaska, Alaska · 897 days ago · 17 km deep · 82 km away
  6. 3.4169 km S of Unalaska, Alaska · 897 days ago · 10 km deep · 79 km away
  7. 3.0139 km ESE of Nikolski, Alaska · 894 days ago · 11 km deep · 81 km away
  8. 2.4214 km SE of Nikolski, Alaska · 892 days ago · 10 km deep · 30 km away
  9. 2.3200 km SSE of Unalaska, Alaska · 892 days ago · 7 km deep · 96 km away
  10. 2.196 km SSE of Nikolski, Alaska · 892 days ago · 26 km deep · 94 km away
  11. 2.1141 km ESE of Nikolski, Alaska · 891 days ago · 24 km deep · 53 km away
  12. 3.1140 km ESE of Nikolski, Alaska · 888 days ago · 10 km deep · 76 km away
  13. 1.9166 km ESE of Nikolski, Alaska · 885 days ago · 9 km deep · 45 km away
  14. 3.8140 km ESE of Nikolski, Alaska · 883 days ago · 10 km deep · 82 km away
  15. 2.7148 km ESE of Nikolski, Alaska · 874 days ago · 37 km deep · 61 km away
  16. 2.0130 km ESE of Nikolski, Alaska · 865 days ago · 12 km deep · 89 km away
  17. 1.9143 km ESE of Nikolski, Alaska · 864 days ago · 19 km deep · 78 km away
  18. 2.2151 km SE of Nikolski, Alaska · 862 days ago · 15 km deep · 44 km away
  19. 2.8125 km ESE of Nikolski, Alaska · 858 days ago · 10 km deep · 79 km away
  20. 2.6192 km ESE of Nikolski, Alaska · 856 days ago · 10 km deep · 41 km away

Before

  1. 2.8181 km SSE of Unalaska, Alaska · 919 days ago · 10 km deep · 84 km away
  2. 2.4105 km SSE of Nikolski, Alaska · 919 days ago · 10 km deep · 98 km away
  3. 2.4146 km S of Unalaska, Alaska · 920 days ago · 30 km deep · 87 km away
  4. 3.3137 km ESE of Nikolski, Alaska · 922 days ago · 10 km deep · 89 km away
  5. 2.1145 km S of Unalaska, Alaska · 927 days ago · 25 km deep · 89 km away
  6. 2.0113 km SSE of Nikolski, Alaska · 928 days ago · 14 km deep · 81 km away
  7. 1.9138 km ESE of Nikolski, Alaska · 929 days ago · 5 km deep · 89 km away
  8. 2.0139 km ESE of Nikolski, Alaska · 934 days ago · 10 km deep · 78 km away
  9. 2.6151 km SSE of Nikolski, Alaska · 935 days ago · 10 km deep · 98 km away
  10. 3.0133 km ESE of Nikolski, Alaska · 936 days ago · 10 km deep · 91 km away
  11. 2.4190 km SSE of Nikolski, Alaska · 939 days ago · 10 km deep · 64 km away
  12. 2.6138 km ESE of Nikolski, Alaska · 942 days ago · 10 km deep · 74 km away
  13. 2.1132 km S of Unalaska, Alaska · 943 days ago · 20 km deep · 100 km away
  14. 2.4159 km SSE of Nikolski, Alaska · 944 days ago · 10 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000mt2w (also filed as ak02444wbmo9). Read Wed, Sep 30, 2026, 11:04 AM UTC.