Alaska earthquakes

M1.9 earthquake 102 km SE of Unalaska, Alaska

A magnitude 1.9 earthquake struck 102 km SE of Unalaska, Alaska on Mon, Sep 1, 2025, 4:19 AM AKDT (12:19 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.1 49 km S 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-09-01 12:19:37 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
53.138° N, 165.618° 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
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 48 in the 30 days before it.

After

  1. 2.661 km SE of Akutan, Alaska · 394 days ago · 35 km deep · 75 km away
  2. 1.567 km SE of Unalaska, Alaska · 394 days ago · 26 km deep · 35 km away
  3. 1.933 km SW of Unalaska, Alaska · 394 days ago · 75 km deep · 97 km away
  4. 2.616 km SE of Unalaska, Alaska · 393 days ago · 81 km deep · 86 km away
  5. 3.496 km SE of Akutan, Alaska · 392 days ago · 35 km deep · 66 km away
  6. 3.396 km ESE of Akutan, Alaska · 368 days ago · 35 km deep · 94 km away
  7. 3.765 km SE of Unalaska, Alaska · 361 days ago · 53 km deep · 37 km away
  8. 5.149 km S of Akutan, Alaska · 349 days ago · 85 km deep · 63 km away · felt by 20 · tsunami flag
  9. 2.8101 km S of Unalaska, Alaska · 348 days ago · 35 km deep · 61 km away
  10. 1.641 km SE of Akutan, Alaska · 347 days ago · 51 km deep · 84 km away
  11. 1.613 km SSW of Unalaska, Alaska · 343 days ago · 9 km deep · 95 km away
  12. 3.658 km SE of Akutan, Alaska · 340 days ago · 72 km deep · 68 km away

Before

  1. 3.535 km SE of Akutan, Alaska · 396 days ago · 66 km deep · 90 km away
  2. 1.926 km SE of Unalaska, Alaska · 396 days ago · 72 km deep · 77 km away
  3. 1.921 km ESE of Unalaska, Alaska · 399 days ago · 79 km deep · 84 km away
  4. 2.784 km SE of Akutan, Alaska · 400 days ago · 35 km deep · 81 km away
  5. 1.630 km SSW of Unalaska, Alaska · 401 days ago · 78 km deep · 87 km away
  6. 1.860 km SSE of Unalaska, Alaska · 402 days ago · 53 km deep · 44 km away
  7. 2.624 km SE of Unalaska, Alaska · 402 days ago · 74 km deep · 79 km away
  8. 1.693 km SE of Akutan, Alaska · 402 days ago · 13 km deep · 73 km away
  9. 1.587 km SSW of Unalaska, Alaska · 402 days ago · 26 km deep · 83 km away
  10. 1.6126 km SE of Akutan, Alaska · 403 days ago · 20 km deep · 64 km away
  11. 1.875 km SE of Unalaska, Alaska · 403 days ago · 39 km deep · 33 km away
  12. 2.674 km SSE of Unalaska, Alaska · 404 days ago · 35 km deep · 44 km away
  13. 1.688 km SE of Akutan, Alaska · 404 days ago · 28 km deep · 64 km away
  14. 3.166 km SE of Unalaska, Alaska · 404 days ago · 35 km deep · 36 km away
  15. 2.8130 km SE of Akutan, Alaska · 407 days ago · 24 km deep · 66 km away
  16. 1.781 km SSE of Unalaska, Alaska · 408 days ago · 21 km deep · 31 km away
  17. 1.876 km S of Unalaska, Alaska · 408 days ago · 50 km deep · 75 km away
  18. 1.596 km SSW of Unalaska, Alaska · 409 days ago · 26 km deep · 99 km away
  19. 1.593 km SSW of Unalaska, Alaska · 409 days ago · 26 km deep · 97 km away
  20. 1.984 km SSW of Unalaska, Alaska · 410 days ago · 28 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025b7qe18c. Read Thu, Oct 1, 2026, 4:18 AM UTC.