Alaska earthquakes

M2.9 earthquake 184 km WSW of Adak, Alaska

A magnitude 2.9 earthquake struck 184 km WSW of Adak, Alaska on Tue, Sep 15, 2026, 2:22 PM HADT (23:22 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.4 263 km WSW of Adak, 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
2.9 (ml), micro
Local time
UTC
2026-09-15 23:22:53 UTC
Depth
20.8 km (12.9 mi), shallow
Epicenter
51.116° N, 178.991° 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 6.3 km horizontally, 3.3 km in depth
Magnitude uncertainty
±0.20
Station coverage gap
216°, poorly surrounded by stations
Stations used
30

Nearby

Within 100 km, magnitude 1.5 and up: 26 since this one and 134 in the 30 days before it.

After

  1. 2.4134 km WSW of Adak, Alaska · 14 days ago · 29 km deep · 51 km away
  2. 2.2103 km WSW of Adak, Alaska · 14 days ago · 20 km deep · 81 km away
  3. 3.0132 km WSW of Adak, Alaska · 14 days ago · 36 km deep · 52 km away
  4. 2.5135 km SW of Adak, Alaska · 14 days ago · 20 km deep · 52 km away
  5. 2.9125 km WSW of Adak, Alaska · 14 days ago · 11 km deep · 59 km away
  6. 2.8242 km SW of Adak, Alaska · 14 days ago · 5 km deep · 66 km away
  7. 2.4143 km SW of Adak, Alaska · 13 days ago · 33 km deep · 51 km away
  8. 2.2143 km W of Adak, Alaska · 13 days ago · 97 km deep · 64 km away
  9. 2.3113 km WSW of Adak, Alaska · 12 days ago · 8 km deep · 70 km away
  10. 2.7249 km WSW of Adak, Alaska · 11 days ago · 10 km deep · 66 km away
  11. 2.4148 km SW of Adak, Alaska · 11 days ago · 21 km deep · 40 km away
  12. 2.4123 km SW of Adak, Alaska · 11 days ago · 27 km deep · 75 km away
  13. 2.7262 km WSW of Adak, Alaska · 10 days ago · 18 km deep · 84 km away
  14. 2.2105 km WSW of Adak, Alaska · 10 days ago · 30 km deep · 79 km away
  15. 2.9123 km WSW of Adak, Alaska · 9 days ago · 14 km deep · 61 km away
  16. 2.190 km SW of Adak, Alaska · 9 days ago · 33 km deep · 95 km away
  17. 2.0133 km WSW of Adak, Alaska · 9 days ago · 15 km deep · 66 km away
  18. 3.5148 km WSW of Adak, Alaska · 9 days ago · 0 km deep · 36 km away
  19. 3.5126 km WSW of Adak, Alaska · 6 days ago · 14 km deep · 58 km away
  20. 4.4263 km WSW of Adak, Alaska · 4 days ago · 18 km deep · 88 km away
  21. 4.4259 km WSW of Adak, Alaska · 3 days ago · 18 km deep · 88 km away
  22. 1.697 km WSW of Adak, Alaska · 3 days ago · 41 km deep · 86 km away
  23. 2.4222 km W of Adak, Alaska · 3 days ago · 85 km deep · 82 km away
  24. 2.7201 km WSW of Adak, Alaska · 2 days ago · 20 km deep · 17 km away
  25. 2.6106 km SW of Adak, Alaska · 2 days ago · 21 km deep · 93 km away
  26. 2.2127 km WSW of Adak, Alaska · 2 days ago · 29 km deep · 57 km away

Before

  1. 2.3104 km WSW of Adak, Alaska · 15 days ago · 36 km deep · 79 km away
  2. 3.4160 km WSW of Adak, Alaska · 15 days ago · 35 km deep · 31 km away
  3. 2.3113 km WSW of Adak, Alaska · 15 days ago · 54 km deep · 71 km away
  4. 3.1113 km SW of Adak, Alaska · 15 days ago · 35 km deep · 76 km away
  5. 2.7243 km WSW of Adak, Alaska · 15 days ago · 9 km deep · 62 km away
  6. 3.0134 km SW of Adak, Alaska · 16 days ago · 15 km deep · 78 km away
  7. 2.5162 km SW of Adak, Alaska · 16 days ago · 42 km deep · 29 km away
  8. 2.7260 km WSW of Adak, Alaska · 16 days ago · 31 km deep · 92 km away
  9. 2.1199 km W of Adak, Alaska · 17 days ago · 92 km deep · 72 km away
  10. 2.0122 km SW of Adak, Alaska · 17 days ago · 36 km deep · 66 km away
  11. 2.3158 km SW of Adak, Alaska · 17 days ago · 15 km deep · 35 km away
  12. 2.2138 km SW of Adak, Alaska · 17 days ago · 27 km deep · 56 km away
  13. 3.5134 km SW of Adak, Alaska · 17 days ago · 20 km deep · 67 km away
  14. 2.1135 km SW of Adak, Alaska · 17 days ago · 23 km deep · 84 km away
  15. 2.1123 km SW of Adak, Alaska · 17 days ago · 23 km deep · 63 km away
  16. 2.6118 km WSW of Adak, Alaska · 17 days ago · 35 km deep · 66 km away
  17. 2.4130 km WSW of Adak, Alaska · 18 days ago · 28 km deep · 55 km away
  18. 3.9150 km WSW of Adak, Alaska · 18 days ago · 39 km deep · 34 km away
  19. 1.7121 km WSW of Adak, Alaska · 18 days ago · 31 km deep · 64 km away
  20. 2.5214 km SW of Adak, Alaska · 18 days ago · 12 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026simkls. Read Wed, Sep 30, 2026, 6:31 PM UTC.