Alaska earthquakes

M2.1 earthquake 123 km SW of Adak, Alaska

A magnitude 2.1 earthquake struck 123 km SW of Adak, Alaska on Sat, Sep 12, 2026, 11:08 PM HADT (08:08 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M3.5 134 km SW 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
2.1 (ml), micro
Local time
UTC
2026-09-13 08:08:18 UTC
Depth
22.6 km (14.0 mi), shallow
Epicenter
51.252° N, 178.116° 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 7.8 km horizontally, 4.2 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
234°, poorly surrounded by stations
Stations used
24

Nearby

Within 100 km, magnitude 1.5 and up: 20 since this one and 139 in the 30 days before it.

After

  1. 2.1135 km SW of Adak, Alaska · 9 days ago · 23 km deep · 43 km away
  2. 3.5134 km SW of Adak, Alaska · 9 days ago · 20 km deep · 24 km away
  3. 2.173 km SSW of Adak, Alaska · 9 days ago · 29 km deep · 77 km away
  4. 2.2138 km SW of Adak, Alaska · 9 days ago · 27 km deep · 18 km away
  5. 1.759 km SSW of Adak, Alaska · 9 days ago · 36 km deep · 92 km away
  6. 2.3158 km SW of Adak, Alaska · 9 days ago · 15 km deep · 35 km away
  7. 2.0122 km SW of Adak, Alaska · 8 days ago · 36 km deep · 4 km away
  8. 2.077 km SSW of Adak, Alaska · 8 days ago · 32 km deep · 75 km away
  9. 2.156 km SW of Adak, Alaska · 8 days ago · 18 km deep · 71 km away
  10. 2.5162 km SW of Adak, Alaska · 8 days ago · 42 km deep · 39 km away
  11. 3.0134 km SW of Adak, Alaska · 7 days ago · 15 km deep · 36 km away
  12. 3.1113 km SW of Adak, Alaska · 7 days ago · 35 km deep · 14 km away
  13. 3.4160 km WSW of Adak, Alaska · 7 days ago · 35 km deep · 49 km away
  14. 2.4134 km WSW of Adak, Alaska · 6 days ago · 29 km deep · 29 km away
  15. 2.2103 km WSW of Adak, Alaska · 6 days ago · 20 km deep · 23 km away
  16. 3.0132 km WSW of Adak, Alaska · 6 days ago · 36 km deep · 14 km away
  17. 2.5135 km SW of Adak, Alaska · 6 days ago · 20 km deep · 12 km away
  18. 2.9125 km WSW of Adak, Alaska · 6 days ago · 11 km deep · 8 km away
  19. 2.4143 km SW of Adak, Alaska · 5 days ago · 33 km deep · 22 km away
  20. 2.0133 km WSW of Adak, Alaska · 9 hr ago · 15 km deep · 51 km away

Before

  1. 2.7123 km SW of Adak, Alaska · 9 days ago · 21 km deep · 1 km away
  2. 1.873 km SSW of Adak, Alaska · 9 days ago · 50 km deep · 66 km away
  3. 1.876 km SW of Adak, Alaska · 9 days ago · 34 km deep · 48 km away
  4. 2.4130 km WSW of Adak, Alaska · 9 days ago · 28 km deep · 8 km away
  5. 3.9150 km WSW of Adak, Alaska · 9 days ago · 39 km deep · 29 km away
  6. 1.7121 km WSW of Adak, Alaska · 9 days ago · 31 km deep · 26 km away
  7. 2.5214 km SW of Adak, Alaska · 10 days ago · 12 km deep · 91 km away
  8. 2.1116 km WSW of Adak, Alaska · 10 days ago · 17 km deep · 15 km away
  9. 1.970 km SW of Adak, Alaska · 10 days ago · 21 km deep · 59 km away
  10. 1.6126 km W of Adak, Alaska · 10 days ago · 22 km deep · 65 km away
  11. 2.4201 km WSW of Adak, Alaska · 10 days ago · 33 km deep · 87 km away
  12. 3.5151 km SW of Adak, Alaska · 10 days ago · 19 km deep · 27 km away
  13. 2.3149 km WSW of Adak, Alaska · 10 days ago · 26 km deep · 26 km away
  14. 2.287 km SW of Adak, Alaska · 11 days ago · 17 km deep · 41 km away
  15. 2.6150 km SW of Adak, Alaska · 11 days ago · 15 km deep · 27 km away
  16. 2.5149 km SW of Adak, Alaska · 11 days ago · 21 km deep · 26 km away
  17. 2.6151 km WSW of Adak, Alaska · 11 days ago · 35 km deep · 28 km away
  18. 2.568 km W of Adak, Alaska · 11 days ago · 100 km deep · 70 km away
  19. 2.6174 km W of Adak, Alaska · 11 days ago · 88 km deep · 80 km away
  20. 2.8214 km WSW of Adak, Alaska · 11 days ago · 17 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026sdpwmd. Read Tue, Sep 22, 2026, 11:23 AM UTC.