Alaska earthquakes

M2.5 earthquake 65 km SW of Karluk, Alaska

A magnitude 2.5 earthquake struck 65 km SW of Karluk, Alaska on Thu, Sep 17, 2026, 10:38 AM AKDT (18:38 UTC), 55 km (34 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.1 77 km WSW of Akhiok, Alaska. This one was a foreshock.

Womens Bay forecastMore in Alaska

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
2026-09-17 18:38:41 UTC
Depth
54.6 km (33.9 mi), shallow
Epicenter
57.229° N, 155.347° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

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

An automatic solution; a seismologist may revise it.

Location uncertainty
About 4.6 km horizontally, 4.7 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
154°
Stations used
65

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 since this one and 109 in the 30 days before it.

After

  1. 2.347 km WSW of Karluk, Alaska · 3 days ago · 56 km deep · 20 km away
  2. 2.121 km NNW of Karluk, Alaska · 3 days ago · 64 km deep · 72 km away
  3. 1.527 km NNE of Karluk, Alaska · 3 days ago · 55 km deep · 89 km away
  4. 1.715 km W of Karluk, Alaska · 3 days ago · 76 km deep · 52 km away
  5. 1.784 km WSW of Karluk, Alaska · 3 days ago · 28 km deep · 19 km away
  6. 1.788 km ESE of Ugashik, Alaska · 2 days ago · 11 km deep · 40 km away
  7. 1.676 km WNW of Karluk, Alaska · 2 days ago · 17 km deep · 70 km away
  8. 2.076 km WNW of Karluk, Alaska · 2 days ago · 10 km deep · 70 km away
  9. 1.776 km WNW of Karluk, Alaska · 36 hr ago · 10 km deep · 70 km away
  10. 2.077 km W of Karluk, Alaska · 35 hr ago · 5 km deep · 54 km away
  11. 2.477 km WSW of Karluk, Alaska · 30 hr ago · 73 km deep · 20 km away
  12. 3.177 km WSW of Akhiok, Alaska · 15 hr ago · 52 km deep · 62 km away
  13. 2.395 km WSW of Karluk, Alaska · 15 hr ago · 65 km deep · 33 km away
  14. 2.152 km WNW of Akhiok, Alaska · 3 hr ago · 9 km deep · 29 km away
  15. 3.737 km SW of Karluk, Alaska · 2 hr ago · 50 km deep · 32 km away · felt by 1

Before

  1. 1.633 km W of Akhiok, Alaska · 5 days ago · 8 km deep · 49 km away
  2. 1.978 km SW of Akhiok, Alaska · 5 days ago · 8 km deep · 78 km away
  3. 2.564 km SE of Ugashik, Alaska · 5 days ago · 98 km deep · 76 km away
  4. 1.718 km WSW of Karluk, Alaska · 6 days ago · 22 km deep · 48 km away
  5. 1.921 km SW of Karluk, Alaska · 6 days ago · 53 km deep · 46 km away
  6. 1.758 km W of Karluk, Alaska · 6 days ago · 26 km deep · 45 km away
  7. 1.958 km W of Akhiok, Alaska · 7 days ago · 22 km deep · 32 km away
  8. 1.956 km SW of Akhiok, Alaska · 8 days ago · 6 km deep · 71 km away
  9. 1.890 km SSE of Ugashik, Alaska · 8 days ago · 22 km deep · 98 km away
  10. 1.675 km WSW of Karluk, Alaska · 8 days ago · 83 km deep · 11 km away
  11. 1.961 km WNW of Karluk, Alaska · 9 days ago · 79 km deep · 62 km away
  12. 1.7101 km W of Akhiok, Alaska · 9 days ago · 72 km deep · 38 km away
  13. 1.592 km WNW of Karluk, Alaska · 9 days ago · 8 km deep · 83 km away
  14. 1.79 km NNW of Karluk, Alaska · 9 days ago · 56 km deep · 67 km away
  15. 1.795 km SE of Ugashik, Alaska · 9 days ago · 7 km deep · 82 km away
  16. 2.052 km WSW of Akhiok, Alaska · 9 days ago · 14 km deep · 65 km away
  17. 1.762 km ESE of Ugashik, Alaska · 10 days ago · 11 km deep · 71 km away
  18. 1.589 km ENE of Ugashik, Alaska · 10 days ago · 3 km deep · 63 km away
  19. 1.770 km WSW of Karluk, Alaska · 11 days ago · 21 km deep · 13 km away
  20. 1.920 km NNE of Karluk, Alaska · 12 days ago · 52 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026sluzec. Read Tue, Sep 22, 2026, 10:59 AM UTC.