Alaska earthquakes

M1.8 earthquake 26 km W of Adak, Alaska

A magnitude 1.8 earthquake struck 26 km W of Adak, Alaska on Fri, Oct 2, 2026, 2:36 AM HADT (11:36 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M4.1 34 km S of Adak, 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
1.8 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2026-10-02 11:36:07 UTC
Depth
-1.8 km (-1.1 mi), shallow
Epicenter
51.898° N, 177.021° 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 0.6 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.34
Depth from
From location
Station coverage gap
134°
Stations used
11

Nearby

Within 100 km, magnitude 1.5 and up: 1 since this one and 128 in the 30 days before it.

After

  1. 4.134 km S of Adak, Alaska · 12 hr ago · 49 km deep · 43 km away

Before

  1. 4.075 km SE of Adak, Alaska · 31 hr ago · 17 km deep · 95 km away
  2. 1.633 km NW of Adak, Alaska · 3 days ago · 4 km deep · 21 km away
  3. 2.067 km E of Adak, Alaska · 5 days ago · 80 km deep · 93 km away
  4. 1.838 km SE of Adak, Alaska · 5 days ago · 62 km deep · 63 km away
  5. 2.168 km SE of Adak, Alaska · 5 days ago · 37 km deep · 90 km away
  6. 2.276 km SSW of Adak, Alaska · 5 days ago · 28 km deep · 74 km away
  7. 2.469 km SSW of Adak, Alaska · 5 days ago · 28 km deep · 70 km away
  8. 2.6106 km SW of Adak, Alaska · 5 days ago · 21 km deep · 92 km away
  9. 1.827 km W of Adak, Alaska · 5 days ago · 5 km deep · 2 km away
  10. 3.073 km WSW of Adak, Alaska · 6 days ago · 28 km deep · 55 km away
  11. 1.697 km WSW of Adak, Alaska · 6 days ago · 41 km deep · 77 km away
  12. 2.972 km SSW of Adak, Alaska · 7 days ago · 26 km deep · 74 km away
  13. 2.674 km SSE of Adak, Alaska · 7 days ago · 16 km deep · 92 km away
  14. 2.784 km SW of Adak, Alaska · 7 days ago · 36 km deep · 70 km away
  15. 2.588 km WSW of Adak, Alaska · 8 days ago · 77 km deep · 64 km away
  16. 3.074 km SE of Adak, Alaska · 8 days ago · 25 km deep · 96 km away
  17. 2.564 km S of Adak, Alaska · 10 days ago · 38 km deep · 68 km away
  18. 2.174 km S of Adak, Alaska · 11 days ago · 17 km deep · 85 km away
  19. 2.0114 km WSW of Adak, Alaska · 11 days ago · 32 km deep · 94 km away
  20. 2.777 km SSW of Adak, Alaska · 11 days ago · 19 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av94458286. Read Sat, Oct 3, 2026, 1:20 PM UTC.