Alaska earthquakes

M2.4 earthquake 94 km WSW of Karluk, Alaska

A magnitude 2.4 earthquake struck 94 km WSW of Karluk, Alaska on Mon, Sep 21, 2026, 11:39 AM AKDT (19:39 UTC), 66 km (41 mi) below the surface.

A larger quake followed: M3.7 37 km SW of Karluk, 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
2.4 (ml), micro
Local time
UTC
2026-09-21 19:39:31 UTC
Depth
65.8 km (40.9 mi), shallow
Epicenter
57.229° N, 155.888° 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. 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 4.7 km horizontally, 4.2 km in depth
Magnitude uncertainty
±0.20
Station coverage gap
115°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 since this one and 105 in the 30 days before it.

After

  1. 2.152 km WNW of Akhiok, Alaska · 8 days ago · 9 km deep · 57 km away
  2. 3.737 km SW of Karluk, Alaska · 8 days ago · 51 km deep · 64 km away · felt by 1
  3. 1.728 km SW of Karluk, Alaska · 8 days ago · 42 km deep · 70 km away
  4. 1.638 km WNW of Karluk, Alaska · 7 days ago · 76 km deep · 71 km away
  5. 1.577 km WNW of Karluk, Alaska · 7 days ago · 10 km deep · 71 km away
  6. 3.175 km WSW of Karluk, Alaska · 7 days ago · 51 km deep · 23 km away
  7. 2.372 km WSW of Karluk, Alaska · 7 days ago · 66 km deep · 23 km away
  8. 1.697 km ESE of Ugashik, Alaska · 6 days ago · 77 km deep · 20 km away
  9. 2.555 km WSW of Karluk, Alaska · 5 days ago · 69 km deep · 39 km away
  10. 3.3129 km E of Chignik, Alaska · 4 days ago · 6 km deep · 98 km away
  11. 1.928 km WNW of Karluk, Alaska · 4 days ago · 76 km deep · 81 km away
  12. 2.563 km W of Karluk, Alaska · 3 days ago · 86 km deep · 52 km away
  13. 1.676 km WNW of Karluk, Alaska · 3 days ago · 14 km deep · 71 km away
  14. 2.9124 km SSE of Ugashik, Alaska · 3 days ago · 4 km deep · 78 km away
  15. 2.150 km W of Akhiok, Alaska · 40 hr ago · 7 km deep · 64 km away
  16. 1.826 km W of Karluk, Alaska · 34 hr ago · 41 km deep · 72 km away
  17. 1.636 km WNW of Karluk, Alaska · 33 hr ago · 85 km deep · 70 km away
  18. 1.780 km ESE of Egegik, Alaska · 33 hr ago · 120 km deep · 75 km away
  19. 1.676 km W of Karluk, Alaska · 30 hr ago · 17 km deep · 53 km away
  20. 2.512 km N of Karluk, Alaska · 22 hr ago · 59 km deep · 97 km away
  21. 1.886 km W of Karluk, Alaska · 13 hr ago · 5 km deep · 36 km away
  22. 1.582 km W of Karluk, Alaska · 6 hr ago · 5 km deep · 35 km away
  23. 2.039 km W of Karluk, Alaska · 31 min ago · 64 km deep · 65 km away

Before

  1. 3.176 km WSW of Akhiok, Alaska · 8 days ago · 42 km deep · 67 km away
  2. 1.760 km SE of Egegik, Alaska · 9 days ago · 163 km deep · 85 km away
  3. 2.673 km WSW of Karluk, Alaska · 9 days ago · 75 km deep · 20 km away
  4. 1.677 km WNW of Karluk, Alaska · 9 days ago · 15 km deep · 70 km away
  5. 2.178 km W of Karluk, Alaska · 9 days ago · 5 km deep · 49 km away
  6. 1.878 km W of Karluk, Alaska · 9 days ago · 19 km deep · 45 km away
  7. 2.231 km NE of Ugashik, Alaska · 9 days ago · 160 km deep · 85 km away
  8. 1.976 km WNW of Karluk, Alaska · 9 days ago · 9 km deep · 69 km away
  9. 2.062 km W of Karluk, Alaska · 10 days ago · 12 km deep · 40 km away
  10. 2.480 km SW of Akhiok, Alaska · 10 days ago · 6 km deep · 90 km away
  11. 2.178 km WNW of Karluk, Alaska · 10 days ago · 7 km deep · 71 km away
  12. 2.079 km ESE of Ugashik, Alaska · 10 days ago · 18 km deep · 21 km away
  13. 1.980 km ESE of Ugashik, Alaska · 10 days ago · 17 km deep · 19 km away
  14. 1.947 km WSW of Karluk, Alaska · 10 days ago · 71 km deep · 46 km away
  15. 2.186 km WSW of Akhiok, Alaska · 11 days ago · 7 km deep · 72 km away
  16. 1.916 km W of Karluk, Alaska · 11 days ago · 76 km deep · 78 km away
  17. 2.120 km NNW of Karluk, Alaska · 11 days ago · 63 km deep · 95 km away
  18. 2.448 km WSW of Karluk, Alaska · 11 days ago · 54 km deep · 46 km away
  19. 1.783 km SSE of Ugashik, Alaska · 11 days ago · 74 km deep · 87 km away
  20. 1.772 km SSE of Ugashik, Alaska · 11 days ago · 6 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026sthcdv. Read Wed, Sep 30, 2026, 6:01 AM UTC.