Alaska earthquakes

M2.5 earthquake 240 km WSW of Adak, Alaska

A magnitude 2.5 earthquake struck 240 km WSW of Adak, Alaska on Wed, Sep 3, 2025, 4:10 AM GMT-12 (16:10 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.5 261 km W of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
2.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-09-03 16:10:46 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
50.952° N, 179.757° 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 8.1 km horizontally, 3.3 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
252°, poorly surrounded by stations
Stations used
17

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 71 in the 30 days before it.

After

  1. 2.1187 km WSW of Adak, Alaska · 386 days ago · 18 km deep · 59 km away
  2. 4.5261 km W of Adak, Alaska · 384 days ago · 73 km deep · 72 km away
  3. 3.2231 km WSW of Adak, Alaska · 381 days ago · 15 km deep · 59 km away
  4. 1.9159 km WSW of Adak, Alaska · 378 days ago · 30 km deep · 82 km away
  5. 2.1164 km WSW of Adak, Alaska · 372 days ago · 16 km deep · 88 km away
  6. 2.6171 km W of Adak, Alaska · 371 days ago · 88 km deep · 93 km away
  7. 2.6225 km W of Adak, Alaska · 371 days ago · 84 km deep · 83 km away
  8. 3.2236 km WSW of Adak, Alaska · 363 days ago · 11 km deep · 17 km away
  9. 4.2200 km W of Adak, Alaska · 363 days ago · 79 km deep · 71 km away
  10. 4.5240 km WSW of Adak, Alaska · 356 days ago · 35 km deep · 8 km away
  11. 3.4246 km WSW of Adak, Alaska · 356 days ago · 35 km deep · 6 km away
  12. 2.8221 km W of Adak, Alaska · 350 days ago · 10 km deep · 75 km away
  13. 2.8206 km W of Adak, Alaska · 349 days ago · 96 km deep · 84 km away
  14. 2.7149 km WSW of Adak, Alaska · 341 days ago · 10 km deep · 91 km away

Before

  1. 1.6222 km W of Adak, Alaska · 394 days ago · 95 km deep · 94 km away
  2. 1.6266 km W of Adak, Alaska · 394 days ago · 68 km deep · 83 km away
  3. 1.6246 km WSW of Adak, Alaska · 395 days ago · 45 km deep · 61 km away
  4. 2.3Rat Islands, Aleutian Islands, Alaska · 395 days ago · 8 km deep · 88 km away
  5. 2.7265 km W of Adak, Alaska · 397 days ago · 78 km deep · 88 km away
  6. 3.7264 km W of Adak, Alaska · 399 days ago · 77 km deep · 86 km away
  7. 5.1260 km W of Adak, Alaska · 399 days ago · 81 km deep · 96 km away · tsunami flag
  8. 2.0211 km W of Adak, Alaska · 400 days ago · 58 km deep · 67 km away
  9. 1.7201 km WSW of Adak, Alaska · 400 days ago · 43 km deep · 59 km away
  10. 1.7157 km WSW of Adak, Alaska · 400 days ago · 18 km deep · 83 km away
  11. 1.8250 km W of Adak, Alaska · 401 days ago · 83 km deep · 89 km away
  12. 1.9173 km WSW of Adak, Alaska · 402 days ago · 21 km deep · 71 km away
  13. 2.2157 km WSW of Adak, Alaska · 402 days ago · 23 km deep · 84 km away
  14. 2.0Rat Islands, Aleutian Islands, Alaska · 403 days ago · 40 km deep · 94 km away
  15. 2.0181 km WSW of Adak, Alaska · 403 days ago · 9 km deep · 66 km away
  16. 2.7258 km WSW of Adak, Alaska · 403 days ago · 33 km deep · 44 km away
  17. 1.9169 km W of Adak, Alaska · 404 days ago · 10 km deep · 97 km away
  18. 2.0178 km WSW of Adak, Alaska · 404 days ago · 7 km deep · 64 km away
  19. 2.7173 km WSW of Adak, Alaska · 404 days ago · 26 km deep · 71 km away
  20. 2.1181 km WSW of Adak, Alaska · 405 days ago · 13 km deep · 63 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak2025rizcem. Read Fri, Oct 2, 2026, 1:23 PM UTC.