Alaska earthquakes

M2.2 earthquake 127 km WSW of Adak, Alaska

A magnitude 2.2 earthquake struck 127 km WSW of Adak, Alaska on Mon, Sep 28, 2026, 4:38 AM HADT (13:38 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M2.4 69 km SSW 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
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-09-28 13:38:09 UTC
Depth
29.1 km (18.1 mi), shallow
Epicenter
51.330° N, 178.254° 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 9.9 km horizontally, 4.7 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
238°, poorly surrounded by stations
Stations used
17

Nearby

Within 100 km, magnitude 1.5 and up: 2 since this one and 140 in the 30 days before it.

After

  1. 2.469 km SSW of Adak, Alaska · 2 days ago · 28 km deep · 94 km away
  2. 2.276 km SSW of Adak, Alaska · 2 days ago · 28 km deep · 86 km away

Before

  1. 2.6106 km SW of Adak, Alaska · 3 days ago · 21 km deep · 45 km away
  2. 2.7201 km WSW of Adak, Alaska · 3 days ago · 20 km deep · 74 km away
  3. 3.073 km WSW of Adak, Alaska · 3 days ago · 28 km deep · 54 km away
  4. 1.697 km WSW of Adak, Alaska · 3 days ago · 41 km deep · 30 km away
  5. 3.5126 km WSW of Adak, Alaska · 6 days ago · 14 km deep · 1 km away
  6. 2.0114 km WSW of Adak, Alaska · 8 days ago · 32 km deep · 13 km away
  7. 2.777 km SSW of Adak, Alaska · 8 days ago · 19 km deep · 86 km away
  8. 2.0125 km WSW of Adak, Alaska · 9 days ago · 21 km deep · 7 km away
  9. 2.073 km SSW of Adak, Alaska · 9 days ago · 37 km deep · 85 km away
  10. 2.0142 km W of Adak, Alaska · 9 days ago · 18 km deep · 50 km away
  11. 2.4146 km WSW of Adak, Alaska · 9 days ago · 9 km deep · 20 km away
  12. 3.5148 km WSW of Adak, Alaska · 9 days ago · 0 km deep · 21 km away
  13. 3.0183 km WSW of Adak, Alaska · 9 days ago · 21 km deep · 56 km away
  14. 2.0126 km WSW of Adak, Alaska · 9 days ago · 13 km deep · 3 km away
  15. 2.0119 km SW of Adak, Alaska · 9 days ago · 23 km deep · 13 km away
  16. 2.074 km SSW of Adak, Alaska · 9 days ago · 39 km deep · 76 km away
  17. 2.0133 km WSW of Adak, Alaska · 9 days ago · 15 km deep · 39 km away
  18. 2.190 km SW of Adak, Alaska · 9 days ago · 33 km deep · 39 km away
  19. 2.9123 km WSW of Adak, Alaska · 10 days ago · 14 km deep · 6 km away
  20. 2.2105 km WSW of Adak, Alaska · 10 days ago · 30 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026tftevs. Read Thu, Oct 1, 2026, 3:44 AM UTC.