Alaska earthquakes

M2.9 earthquake 171 km ENE of Atka, Alaska

A magnitude 2.9 earthquake struck 171 km ENE of Atka, Alaska on Fri, Aug 14, 2026, 8:54 PM HADT (05:54 UTC), 183 km (114 mi) below the surface.

A larger quake followed: M3.2 172 km WSW of Nikolski, 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
2.9 (ml), micro
Local time
UTC
2026-08-15 05:54:36 UTC
Depth
183.0 km (113.7 mi), intermediate-depth
Epicenter
52.789° N, 171.862° 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.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 14.1 km horizontally, 16.3 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
170°
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: 21 since this one and 6 in the 30 days before it.

After

  1. 2.9178 km E of Atka, Alaska · 40 days ago · 10 km deep · 64 km away
  2. 2.6150 km E of Atka, Alaska · 36 days ago · 10 km deep · 89 km away
  3. 2.771 km ENE of Atka, Alaska · 35 days ago · 9 km deep · 100 km away
  4. 3.2172 km WSW of Nikolski, Alaska · 35 days ago · 100 km deep · 85 km away
  5. 3.6130 km E of Atka, Alaska · 28 days ago · 73 km deep · 73 km away
  6. 2.7168 km SW of Nikolski, Alaska · 24 days ago · 20 km deep · 100 km away
  7. 2.4105 km WSW of Nikolski, Alaska · 13 days ago · 65 km deep · 98 km away
  8. 3.9167 km WSW of Nikolski, Alaska · 8 days ago · 91 km deep · 66 km away
  9. 3.2178 km E of Atka, Alaska · 7 days ago · 3 km deep · 80 km away
  10. 6.5169 km W of Nikolski, Alaska · 6 days ago · 98 km deep · 34 km away · felt by 8 · tsunami flag
  11. 3.5163 km W of Nikolski, Alaska · 6 days ago · 95 km deep · 39 km away
  12. 4.1173 km W of Nikolski, Alaska · 6 days ago · 97 km deep · 29 km away
  13. 3.8166 km W of Nikolski, Alaska · 6 days ago · 98 km deep · 37 km away
  14. 3.2162 km WSW of Nikolski, Alaska · 6 days ago · 113 km deep · 90 km away
  15. 3.4168 km WSW of Nikolski, Alaska · 6 days ago · 104 km deep · 82 km away
  16. 3.1172 km WSW of Nikolski, Alaska · 6 days ago · 100 km deep · 77 km away
  17. 3.8169 km WSW of Nikolski, Alaska · 6 days ago · 110 km deep · 90 km away
  18. 3.5168 km SW of Nikolski, Alaska · 3 days ago · 104 km deep · 98 km away
  19. 3.2169 km WSW of Nikolski, Alaska · 3 days ago · 101 km deep · 80 km away
  20. 3.6167 km WSW of Nikolski, Alaska · 3 days ago · 106 km deep · 89 km away
  21. 3.9166 km WSW of Nikolski, Alaska · 45 hr ago · 129 km deep · 82 km away

Before

  1. 2.7144 km W of Nikolski, Alaska · 44 days ago · 205 km deep · 74 km away
  2. 3.196 km NE of Atka, Alaska · 54 days ago · 208 km deep · 80 km away
  3. 2.8189 km WSW of Nikolski, Alaska · 58 days ago · 10 km deep · 85 km away
  4. 2.8184 km E of Atka, Alaska · 62 days ago · 35 km deep · 91 km away
  5. 3.9142 km W of Nikolski, Alaska · 63 days ago · 226 km deep · 73 km away
  6. 2.9111 km NE of Atka, Alaska · 67 days ago · 203 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tkxt. Read Wed, Sep 23, 2026, 9:41 PM UTC.