Alaska earthquakes

M2.2 earthquake 87 km N of Adak, Alaska

A magnitude 2.2 earthquake struck 87 km N of Adak, Alaska on Sat, Aug 9, 2025, 9:51 AM HADT (18:51 UTC), 165 km (102 mi) below the surface.

A larger quake followed: M4.1 78 km WNW of Atka, 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
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-08-09 18:51:23 UTC
Depth
164.8 km (102.4 mi), intermediate-depth
Epicenter
52.659° N, 176.672° 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.

Stations used
32

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 1.735 km ENE of Adak, Alaska · 419 days ago · 107 km deep · 75 km away
  2. 3.161 km NE of Adak, Alaska · 417 days ago · 202 km deep · 60 km away
  3. 1.718 km E of Adak, Alaska · 416 days ago · 90 km deep · 93 km away
  4. 1.946 km NE of Adak, Alaska · 414 days ago · 126 km deep · 66 km away
  5. 3.716 km SE of Adak, Alaska · 412 days ago · 100 km deep · 98 km away
  6. 1.964 km NE of Adak, Alaska · 411 days ago · 162 km deep · 55 km away
  7. 1.655 km ENE of Adak, Alaska · 404 days ago · 9 km deep · 79 km away
  8. 2.96 km SSE of Adak, Alaska · 401 days ago · 75 km deep · 94 km away
  9. 2.678 km ENE of Adak, Alaska · 400 days ago · 182 km deep · 81 km away
  10. 3.340 km NNW of Adak, Alaska · 395 days ago · 173 km deep · 56 km away
  11. 1.635 km NE of Adak, Alaska · 388 days ago · 19 km deep · 73 km away
  12. 4.178 km WNW of Atka, Alaska · 385 days ago · 219 km deep · 98 km away
  13. 4.032 km NNE of Adak, Alaska · 383 days ago · 126 km deep · 61 km away · felt by 2
  14. 1.622 km E of Adak, Alaska · 380 days ago · 6 km deep · 87 km away
  15. 2.783 km W of Atka, Alaska · 370 days ago · 225 km deep · 94 km away
  16. 3.192 km WNW of Atka, Alaska · 370 days ago · 215 km deep · 83 km away
  17. 3.979 km NE of Adak, Alaska · 366 days ago · 222 km deep · 67 km away

Before

  1. 1.813 km SW of Adak, Alaska · 420 days ago · 76 km deep · 96 km away
  2. 1.568 km ENE of Adak, Alaska · 422 days ago · 18 km deep · 91 km away
  3. 1.612 km NE of Adak, Alaska · 423 days ago · 84 km deep · 79 km away
  4. 2.177 km WNW of Atka, Alaska · 425 days ago · 133 km deep · 98 km away
  5. 2.874 km ENE of Adak, Alaska · 425 days ago · 179 km deep · 85 km away
  6. 1.813 km W of Adak, Alaska · 427 days ago · -2 km deep · 90 km away
  7. 1.75 km N of Adak, Alaska · 429 days ago · 7 km deep · 82 km away
  8. 1.870 km ENE of Adak, Alaska · 429 days ago · 148 km deep · 78 km away
  9. 1.56 km NE of Adak, Alaska · 431 days ago · 8 km deep · 84 km away
  10. 2.551 km NNE of Adak, Alaska · 432 days ago · 226 km deep · 40 km away
  11. 1.942 km NE of Adak, Alaska · 433 days ago · 123 km deep · 72 km away
  12. 2.080 km ENE of Adak, Alaska · 433 days ago · 163 km deep · 82 km away
  13. 1.653 km W of Adak, Alaska · 433 days ago · 130 km deep · 92 km away
  14. 2.757 km NNE of Adak, Alaska · 437 days ago · 228 km deep · 51 km away
  15. 2.149 km NE of Adak, Alaska · 437 days ago · 139 km deep · 63 km away
  16. 2.69 km SSW of Adak, Alaska · 441 days ago · 81 km deep · 96 km away
  17. 1.940 km NE of Adak, Alaska · 442 days ago · 9 km deep · 62 km away
  18. 2.422 km N of Adak, Alaska · 442 days ago · 189 km deep · 65 km away
  19. 2.284 km NE of Adak, Alaska · 442 days ago · 140 km deep · 54 km away
  20. 1.541 km NE of Adak, Alaska · 446 days ago · 12 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025a5sshec. Read Fri, Oct 2, 2026, 4:11 PM UTC.