Alaska earthquakes

M3.3 earthquake 74 km NE of Atka, Alaska

A magnitude 3.3 earthquake struck 74 km NE of Atka, Alaska on Wed, Jan 28, 2026, 6:05 PM HAST (04:05 UTC), 198 km (123 mi) below the surface.

A larger quake followed: M4.4 93 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-01-29 04:05:50 UTC
Depth
197.8 km (122.9 mi), intermediate-depth
Epicenter
52.673° N, 173.432° 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 · ±0.091 · 16 stations
3.0ML, local (Richter)Alaska Earthquake CenterReviewed · ±0.2 · 11 stations

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 28.1 km horizontally, 17.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
171°
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.724 km W of Atka, Alaska · 244 days ago · 123 km deep · 93 km away
  2. 3.720 km E of Atka, Alaska · 244 days ago · 150 km deep · 65 km away
  3. 3.244 km NNW of Atka, Alaska · 243 days ago · 201 km deep · 66 km away
  4. 3.126 km NNE of Atka, Alaska · 237 days ago · 155 km deep · 50 km away
  5. 3.1130 km NNE of Atka, Alaska · 228 days ago · 208 km deep · 79 km away
  6. 2.827 km W of Atka, Alaska · 228 days ago · 84 km deep · 96 km away
  7. 2.335 km NNE of Atka, Alaska · 228 days ago · 22 km deep · 43 km away
  8. 3.322 km ESE of Atka, Alaska · 226 days ago · 92 km deep · 66 km away
  9. 4.134 km ESE of Atka, Alaska · 219 days ago · 66 km deep · 74 km away
  10. 4.493 km ENE of Atka, Alaska · 219 days ago · 157 km deep · 26 km away · felt by 2
  11. 2.519 km SSW of Atka, Alaska · 211 days ago · 9 km deep · 93 km away
  12. 2.010 km SW of Atka, Alaska · 211 days ago · 12 km deep · 84 km away
  13. 3.328 km ENE of Atka, Alaska · 203 days ago · 149 km deep · 52 km away
  14. 2.863 km ESE of Atka, Alaska · 203 days ago · 74 km deep · 77 km away
  15. 3.4134 km E of Atka, Alaska · 201 days ago · 132 km deep · 87 km away
  16. 1.917 km N of Atka, Alaska · 201 days ago · 5 km deep · 60 km away
  17. 3.88 km ESE of Atka, Alaska · 197 days ago · 114 km deep · 72 km away
  18. 3.5121 km E of Atka, Alaska · 190 days ago · 85 km deep · 96 km away
  19. 2.623 km NW of Atka, Alaska · 190 days ago · 164 km deep · 75 km away
  20. 3.0133 km E of Atka, Alaska · 187 days ago · 76 km deep · 93 km away

Before

  1. 3.470 km ESE of Atka, Alaska · 248 days ago · 58 km deep · 86 km away
  2. 2.84 km NE of Atka, Alaska · 250 days ago · 171 km deep · 70 km away
  3. 4.078 km N of Atka, Alaska · 250 days ago · 218 km deep · 61 km away
  4. 3.836 km NW of Atka, Alaska · 250 days ago · 179 km deep · 78 km away
  5. 3.831 km E of Atka, Alaska · 256 days ago · 148 km deep · 57 km away
  6. 3.249 km E of Atka, Alaska · 264 days ago · 133 km deep · 56 km away
  7. 2.972 km ESE of Atka, Alaska · 267 days ago · 28 km deep · 91 km away
  8. 3.4109 km E of Atka, Alaska · 272 days ago · 122 km deep · 73 km away
  9. 1.616 km NNE of Atka, Alaska · 272 days ago · 8 km deep · 61 km away
  10. 2.324 km N of Atka, Alaska · 274 days ago · 4 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000s559 (also filed as ak2026bzsmsu). Read Thu, Oct 1, 2026, 6:13 PM UTC.