Alaska earthquakes

M2.8 earthquake 193 km SSE of Adak, Alaska

A magnitude 2.8 earthquake struck 193 km SSE of Adak, Alaska on Fri, Nov 25, 2022, 7:51 AM HAST (17:51 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.5 186 km SSW 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-11-25 17:51:40 UTC
Depth
17.6 km (10.9 mi), shallow
Epicenter
50.279° N, 175.534° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.115 · 10 stations
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

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 8.2 km horizontally, 8.9 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
252°, poorly surrounded by stations
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 3.0193 km SSE of Adak, Alaska · 1406 days ago · 17 km deep · 2 km away
  2. 2.7193 km SSE of Adak, Alaska · 1395 days ago · 10 km deep · 10 km away
  3. 2.7191 km SSW of Atka, Alaska · 1395 days ago · 37 km deep · 54 km away
  4. 2.4Andreanof Islands, Aleutian Islands, Alaska · 1391 days ago · 86 km deep · 93 km away
  5. 2.4142 km S of Adak, Alaska · 1389 days ago · 1 km deep · 67 km away
  6. 2.8201 km SSW of Atka, Alaska · 1388 days ago · 10 km deep · 54 km away
  7. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1383 days ago · 35 km deep · 83 km away
  8. 3.4163 km SE of Adak, Alaska · 1378 days ago · 10 km deep · 48 km away
  9. 2.3108 km SSE of Adak, Alaska · 1377 days ago · 7 km deep · 88 km away
  10. 2.9211 km SSW of Atka, Alaska · 1374 days ago · 10 km deep · 51 km away
  11. 2.9182 km S of Atka, Alaska · 1373 days ago · 10 km deep · 77 km away
  12. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1369 days ago · 10 km deep · 46 km away
  13. 2.5167 km SSW of Atka, Alaska · 1368 days ago · 10 km deep · 71 km away
  14. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1367 days ago · 10 km deep · 49 km away
  15. 3.5186 km SSW of Atka, Alaska · 1365 days ago · 10 km deep · 59 km away
  16. 2.7195 km S of Atka, Alaska · 1361 days ago · 10 km deep · 96 km away
  17. 2.9112 km SSE of Adak, Alaska · 1350 days ago · 10 km deep · 82 km away

Before

  1. 2.1169 km SSE of Adak, Alaska · 1414 days ago · 20 km deep · 42 km away
  2. 2.2187 km SSE of Adak, Alaska · 1419 days ago · 10 km deep · 36 km away
  3. 2.7187 km SSE of Adak, Alaska · 1423 days ago · 10 km deep · 25 km away
  4. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1428 days ago · 12 km deep · 58 km away
  5. 2.4160 km SSE of Adak, Alaska · 1429 days ago · 1 km deep · 44 km away
  6. 2.0143 km SE of Adak, Alaska · 1433 days ago · 8 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000j8rp (also filed as ak022f4e8kjh). Read Fri, Oct 2, 2026, 4:29 AM UTC.