Alaska earthquakes

M2.6 earthquake 183 km SSE of Unalaska, Alaska

A magnitude 2.6 earthquake struck 183 km SSE of Unalaska, Alaska on Thu, May 22, 2025, 2:00 AM AKDT (10:00 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.2 230 km SSE of Akutan, 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
2.6 (ml), micro
Local time
UTC
2025-05-22 10:00:19 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.404° N, 165.301° 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 7.3 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
244°, poorly surrounded by stations
Stations used
20

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 2.1157 km ESE of Nikolski, Alaska · 495 days ago · 10 km deep · 93 km away
  2. 2.2196 km SSE of Unalaska, Alaska · 493 days ago · 17 km deep · 14 km away
  3. 2.6200 km SE of Nikolski, Alaska · 492 days ago · 10 km deep · 90 km away
  4. 3.2230 km SSE of Akutan, Alaska · 491 days ago · 10 km deep · 72 km away
  5. 2.8184 km SSE of Unalaska, Alaska · 490 days ago · 10 km deep · 35 km away
  6. 2.1112 km SSE of Akutan, Alaska · 484 days ago · 6 km deep · 95 km away
  7. 2.1135 km S of Unalaska, Alaska · 483 days ago · 19 km deep · 91 km away
  8. 1.998 km SSE of Akutan, Alaska · 480 days ago · 17 km deep · 100 km away
  9. 2.5168 km SSE of Akutan, Alaska · 478 days ago · 10 km deep · 62 km away
  10. 2.9154 km ESE of Nikolski, Alaska · 474 days ago · 10 km deep · 98 km away
  11. 2.1124 km S of Unalaska, Alaska · 474 days ago · 6 km deep · 97 km away
  12. 2.3180 km SSE of Akutan, Alaska · 471 days ago · 10 km deep · 73 km away
  13. 2.6206 km SSE of Akutan, Alaska · 464 days ago · 10 km deep · 69 km away
  14. 1.6109 km S of Unalaska, Alaska · 459 days ago · 16 km deep · 99 km away
  15. 2.0184 km SE of Akutan, Alaska · 459 days ago · 22 km deep · 99 km away
  16. 2.6198 km ESE of Nikolski, Alaska · 456 days ago · 10 km deep · 80 km away
  17. 2.2197 km SSE of Unalaska, Alaska · 451 days ago · 4 km deep · 14 km away
  18. 1.8184 km SSE of Unalaska, Alaska · 444 days ago · 1 km deep · 32 km away
  19. 1.5117 km SE of Unalaska, Alaska · 443 days ago · 20 km deep · 76 km away
  20. 1.7202 km S of Unalaska, Alaska · 443 days ago · 26 km deep · 72 km away
  21. 2.5181 km SSE of Unalaska, Alaska · 442 days ago · 10 km deep · 22 km away
  22. 2.4123 km SSE of Akutan, Alaska · 440 days ago · 10 km deep · 93 km away
  23. 2.8193 km SSE of Unalaska, Alaska · 439 days ago · 10 km deep · 15 km away
  24. 3.0255 km SSE of Unalaska, Alaska · 439 days ago · 10 km deep · 72 km away

Before

  1. 2.7197 km SSE of Unalaska, Alaska · 500 days ago · 18 km deep · 40 km away
  2. 2.0181 km SSE of Unalaska, Alaska · 515 days ago · 8 km deep · 3 km away
  3. 2.9219 km ESE of Nikolski, Alaska · 517 days ago · 10 km deep · 78 km away
  4. 1.6103 km SSE of Unalaska, Alaska · 521 days ago · 16 km deep · 81 km away
  5. 2.1129 km S of Unalaska, Alaska · 524 days ago · 25 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000qgcf (also filed as ak0256j09nsr). Read Tue, Sep 29, 2026, 8:51 PM UTC.