Alaska earthquakes

M2.2 earthquake 187 km SSE of Adak, Alaska

A magnitude 2.2 earthquake struck 187 km SSE of Adak, Alaska on Sat, Nov 12, 2022, 9:16 PM HAST (07:16 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.0 170 km SSW of Adak, 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
USGS National Earthquake Information Center
Local time
UTC
2022-11-13 07:16:11 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.231° N, 176.041° 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
2.2ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 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 7.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
291°, poorly surrounded by stations
Stations used
14

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. 2.1169 km SSE of Adak, Alaska · 1414 days ago · 20 km deep · 69 km away
  2. 2.8193 km SSE of Adak, Alaska · 1406 days ago · 18 km deep · 36 km away
  3. 3.0193 km SSE of Adak, Alaska · 1406 days ago · 17 km deep · 34 km away
  4. 2.7193 km SSE of Adak, Alaska · 1395 days ago · 10 km deep · 27 km away
  5. 2.7191 km SSW of Atka, Alaska · 1394 days ago · 37 km deep · 88 km away
  6. 2.4Andreanof Islands, Aleutian Islands, Alaska · 1390 days ago · 86 km deep · 70 km away
  7. 2.4142 km S of Adak, Alaska · 1388 days ago · 1 km deep · 47 km away
  8. 2.8201 km SSW of Atka, Alaska · 1388 days ago · 10 km deep · 91 km away
  9. 3.4163 km SE of Adak, Alaska · 1378 days ago · 10 km deep · 73 km away
  10. 2.3108 km SSE of Adak, Alaska · 1377 days ago · 7 km deep · 93 km away
  11. 2.9211 km SSW of Atka, Alaska · 1374 days ago · 10 km deep · 88 km away
  12. 3.091 km SSE of Adak, Alaska · 1369 days ago · 10 km deep · 97 km away
  13. 2.192 km SSE of Adak, Alaska · 1369 days ago · 13 km deep · 96 km away
  14. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1369 days ago · 10 km deep · 72 km away
  15. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1367 days ago · 10 km deep · 82 km away
  16. 3.5186 km SSW of Atka, Alaska · 1365 days ago · 10 km deep · 93 km away
  17. 4.0170 km SSW of Adak, Alaska · 1359 days ago · 10 km deep · 87 km away

Before

  1. 2.7187 km SSE of Adak, Alaska · 1423 days ago · 10 km deep · 60 km away
  2. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1427 days ago · 12 km deep · 34 km away
  3. 2.4160 km SSE of Adak, Alaska · 1429 days ago · 1 km deep · 67 km away
  4. 2.190 km SSE of Adak, Alaska · 1429 days ago · 15 km deep · 99 km away
  5. 2.8177 km SSW of Adak, Alaska · 1445 days ago · 10 km deep · 85 km away
  6. 2.5171 km S of Adak, Alaska · 1446 days ago · 36 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000j5y5 (also filed as ak022ekdmibg). Read Thu, Oct 1, 2026, 6:43 PM UTC.