Alaska earthquakes

M3.2 earthquake 165 km S of Nikolski, Alaska

A magnitude 3.2 earthquake struck 165 km S of Nikolski, Alaska on Sun, Aug 21, 2022, 6:11 PM AKDT (02:11 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 97 km SSW of Nikolski, 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
3.2 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-08-22 02:11:51 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.462° N, 168.536° 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
3.2ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.081 · 20 stations
2.8ML, 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 4.0 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
248°, poorly surrounded by stations
Stations used
11

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.2182 km S of Nikolski, Alaska · 1500 days ago · 23 km deep · 20 km away
  2. 2.4194 km SSE of Nikolski, Alaska · 1500 days ago · 29 km deep · 36 km away
  3. 2.6Fox Islands, Aleutian Islands, Alaska · 1500 days ago · 10 km deep · 13 km away
  4. 2.287 km SSE of Nikolski, Alaska · 1493 days ago · 65 km deep · 82 km away
  5. 4.0190 km SSE of Nikolski, Alaska · 1482 days ago · 10 km deep · 54 km away
  6. 2.083 km SSE of Nikolski, Alaska · 1474 days ago · 60 km deep · 94 km away
  7. 1.579 km SSE of Nikolski, Alaska · 1473 days ago · 41 km deep · 98 km away
  8. 2.7157 km SE of Nikolski, Alaska · 1465 days ago · 10 km deep · 92 km away
  9. 4.297 km SSW of Nikolski, Alaska · 1464 days ago · 10 km deep · 94 km away
  10. 2.881 km SSE of Nikolski, Alaska · 1454 days ago · 10 km deep · 88 km away
  11. 2.783 km SSE of Nikolski, Alaska · 1454 days ago · 10 km deep · 85 km away
  12. 2.888 km SSE of Nikolski, Alaska · 1454 days ago · 10 km deep · 81 km away
  13. 3.085 km SSE of Nikolski, Alaska · 1452 days ago · 10 km deep · 82 km away
  14. 3.1225 km SSE of Nikolski, Alaska · 1449 days ago · 10 km deep · 66 km away
  15. 3.389 km SSE of Nikolski, Alaska · 1446 days ago · 10 km deep · 84 km away
  16. 3.9Fox Islands, Aleutian Islands, Alaska · 1445 days ago · 10 km deep · 91 km away

Before

  1. 2.799 km SE of Nikolski, Alaska · 1507 days ago · 10 km deep · 93 km away
  2. 2.5Fox Islands, Aleutian Islands, Alaska · 1509 days ago · 10 km deep · 84 km away
  3. 2.6101 km SE of Nikolski, Alaska · 1510 days ago · 10 km deep · 90 km away
  4. 2.883 km SSE of Nikolski, Alaska · 1517 days ago · 20 km deep · 94 km away
  5. 2.5103 km SSE of Nikolski, Alaska · 1517 days ago · 10 km deep · 84 km away
  6. 3.289 km SSE of Nikolski, Alaska · 1517 days ago · 35 km deep · 90 km away
  7. 2.099 km SSE of Nikolski, Alaska · 1518 days ago · 39 km deep · 71 km away
  8. 3.393 km SE of Nikolski, Alaska · 1523 days ago · 38 km deep · 94 km away
  9. 4.1100 km SE of Nikolski, Alaska · 1524 days ago · 15 km deep · 89 km away
  10. 3.3Fox Islands, Aleutian Islands, Alaska · 1524 days ago · 10 km deep · 83 km away
  11. 5.197 km SSE of Nikolski, Alaska · 1524 days ago · 10 km deep · 87 km away
  12. 2.1141 km SSE of Nikolski, Alaska · 1526 days ago · 26 km deep · 42 km away
  13. 1.990 km SSE of Nikolski, Alaska · 1526 days ago · 10 km deep · 88 km away
  14. 2.198 km SSE of Nikolski, Alaska · 1526 days ago · 26 km deep · 82 km away
  15. 2.098 km SSW of Nikolski, Alaska · 1529 days ago · 16 km deep · 99 km away
  16. 1.9110 km SE of Nikolski, Alaska · 1529 days ago · 28 km deep · 99 km away
  17. 2.097 km SE of Nikolski, Alaska · 1529 days ago · 4 km deep · 91 km away
  18. 2.2102 km SE of Nikolski, Alaska · 1532 days ago · 26 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ips9 (also filed as ak022ar10jq2). Read Fri, Oct 2, 2026, 5:53 PM UTC.