Alaska earthquakes

M3.3 earthquake 106 km NNE of Adak, Alaska

A magnitude 3.3 earthquake struck 106 km NNE of Adak, Alaska on Fri, Feb 2, 2024, 11:37 AM HAST (21:37 UTC), 216 km (134 mi) below the surface.

A larger quake followed: M4.4 74 km WNW 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-02-02 21:37:24 UTC
Depth
216.3 km (134.4 mi), intermediate-depth
Epicenter
52.725° N, 175.936° 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
3.3ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.081 · 20 stations
3.0ML, 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 14.1 km horizontally, 16.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
184°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 3.067 km E of Adak, Alaska · 971 days ago · 79 km deep · 97 km away
  2. 2.635 km N of Adak, Alaska · 969 days ago · 197 km deep · 72 km away
  3. 2.853 km NE of Adak, Alaska · 968 days ago · 179 km deep · 58 km away
  4. 2.774 km NE of Adak, Alaska · 965 days ago · 190 km deep · 36 km away
  5. 1.869 km WSW of Atka, Alaska · 964 days ago · 13 km deep · 90 km away
  6. 3.272 km ENE of Adak, Alaska · 963 days ago · 222 km deep · 71 km away
  7. 2.674 km NNE of Adak, Alaska · 963 days ago · 144 km deep · 33 km away
  8. 2.567 km NE of Adak, Alaska · 960 days ago · 212 km deep · 45 km away
  9. 1.911 km N of Adak, Alaska · 960 days ago · 107 km deep · 96 km away
  10. 3.282 km WNW of Atka, Alaska · 952 days ago · 226 km deep · 49 km away
  11. 4.474 km WNW of Atka, Alaska · 951 days ago · 150 km deep · 58 km away
  12. 1.543 km NE of Adak, Alaska · 948 days ago · 16 km deep · 68 km away
  13. 1.614 km N of Adak, Alaska · 948 days ago · 13 km deep · 94 km away
  14. 1.837 km ENE of Adak, Alaska · 943 days ago · 91 km deep · 88 km away
  15. 2.748 km E of Adak, Alaska · 943 days ago · 175 km deep · 91 km away
  16. 2.844 km NE of Adak, Alaska · 939 days ago · 137 km deep · 69 km away
  17. 1.521 km ENE of Adak, Alaska · 938 days ago · 5 km deep · 92 km away
  18. 2.135 km NE of Adak, Alaska · 931 days ago · 98 km deep · 72 km away
  19. 1.943 km E of Adak, Alaska · 929 days ago · 70 km deep · 100 km away
  20. 2.279 km WSW of Atka, Alaska · 928 days ago · 104 km deep · 91 km away
  21. 3.393 km NNW of Atka, Alaska · 927 days ago · 9 km deep · 95 km away
  22. 2.855 km NNE of Adak, Alaska · 923 days ago · 180 km deep · 54 km away
  23. 2.770 km WSW of Atka, Alaska · 915 days ago · 91 km deep · 88 km away
  24. 2.436 km ENE of Adak, Alaska · 914 days ago · 139 km deep · 83 km away

Before

  1. 2.055 km ENE of Adak, Alaska · 973 days ago · 16 km deep · 75 km away
  2. 3.042 km NW of Atka, Alaska · 973 days ago · 170 km deep · 95 km away
  3. 3.965 km NNW of Adak, Alaska · 982 days ago · 9 km deep · 83 km away
  4. 4.084 km NNW of Atka, Alaska · 996 days ago · 200 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000m0wt (also filed as ak0241ixgjab). Read Thu, Oct 1, 2026, 6:31 AM UTC.