Alaska earthquakes

M2.9 earthquake 34 km NW of Atka, Alaska

A magnitude 2.9 earthquake struck 34 km NW of Atka, Alaska on Mon, Sep 28, 2026, 8:19 AM HADT (17:19 UTC), 214 km (133 mi) below the surface.

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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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-09-28 17:19:35 UTC
Depth
213.8 km (132.8 mi), intermediate-depth
Epicenter
52.374° N, 174.611° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Confirmed · ±0.091 · 16 stations
2.2ML, local (Richter)Alaska Earthquake CenterReviewed · ±0.3 · 12 stations

Did you feel it?

No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 14.6 km horizontally, 7.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
136°
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 1 since this one and 32 in the 30 days before it.

After

  1. 2.067 km E of Adak, Alaska · 5 days ago · 80 km deep · 90 km away

Before

  1. 3.573 km SSW of Atka, Alaska · 6 days ago · 10 km deep · 89 km away
  2. 3.325 km E of Atka, Alaska · 6 days ago · 17 km deep · 55 km away
  3. 1.612 km N of Atka, Alaska · 6 days ago · 15 km deep · 27 km away
  4. 2.842 km NW of Atka, Alaska · 11 days ago · 224 km deep · 10 km away
  5. 2.079 km ENE of Adak, Alaska · 12 days ago · 244 km deep · 73 km away
  6. 2.439 km SSE of Atka, Alaska · 12 days ago · 93 km deep · 72 km away
  7. 2.676 km NE of Adak, Alaska · 13 days ago · 172 km deep · 77 km away
  8. 2.744 km NNW of Atka, Alaska · 13 days ago · 196 km deep · 19 km away
  9. 2.777 km ENE of Adak, Alaska · 14 days ago · 177 km deep · 73 km away
  10. 2.372 km ESE of Adak, Alaska · 14 days ago · 15 km deep · 99 km away
  11. 2.682 km SW of Atka, Alaska · 15 days ago · 27 km deep · 78 km away
  12. 2.555 km SSE of Atka, Alaska · 16 days ago · 53 km deep · 84 km away
  13. 2.570 km SW of Atka, Alaska · 17 days ago · 35 km deep · 75 km away
  14. 2.585 km WSW of Atka, Alaska · 18 days ago · 108 km deep · 74 km away
  15. 2.360 km SE of Atka, Alaska · 20 days ago · 20 km deep · 95 km away
  16. 2.170 km W of Atka, Alaska · 20 days ago · 226 km deep · 47 km away
  17. 2.571 km SSW of Atka, Alaska · 21 days ago · 12 km deep · 84 km away
  18. 2.668 km E of Atka, Alaska · 21 days ago · 4 km deep · 98 km away
  19. 2.452 km SW of Atka, Alaska · 21 days ago · 6 km deep · 59 km away
  20. 2.071 km ENE of Adak, Alaska · 23 days ago · 150 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tyi0 (also filed as aka2026tgaoxh). Read Sat, Oct 3, 2026, 1:42 PM UTC.