Alaska earthquakes

M3.6 earthquake 167 km E of Atka, Alaska

A magnitude 3.6 earthquake struck 167 km E of Atka, Alaska on Sat, Sep 3, 2022, 2:32 AM HADT (11:32 UTC), 64 km (40 mi) below the surface.

A larger quake followed: M4.8 135 km SW of Nikolski, 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
3.6 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-09-03 11:32:36 UTC
Depth
64.3 km (40.0 mi), shallow
Epicenter
52.105° N, 171.751° 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
3.6mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.091 · 31 stations
3.6mb, body-waveAlaska 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 8.7 km horizontally, 12.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
201°, poorly surrounded by stations
Stations used
71

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 2.4145 km ESE of Atka, Alaska · 1491 days ago · 35 km deep · 61 km away
  2. 2.7133 km E of Atka, Alaska · 1489 days ago · 62 km deep · 38 km away
  3. 3.0125 km ESE of Atka, Alaska · 1488 days ago · 35 km deep · 70 km away
  4. 3.5159 km WSW of Nikolski, Alaska · 1487 days ago · 35 km deep · 72 km away
  5. 3.4Andreanof Islands, Aleutian Islands, Alaska · 1486 days ago · 35 km deep · 87 km away
  6. 3.3169 km SE of Atka, Alaska · 1484 days ago · 35 km deep · 95 km away
  7. 2.488 km E of Atka, Alaska · 1482 days ago · 150 km deep · 79 km away
  8. 3.068 km E of Atka, Alaska · 1475 days ago · 11 km deep · 100 km away
  9. 3.4185 km E of Atka, Alaska · 1460 days ago · 35 km deep · 26 km away
  10. 3.186 km ESE of Atka, Alaska · 1460 days ago · 35 km deep · 91 km away
  11. 4.1138 km SW of Nikolski, Alaska · 1458 days ago · 49 km deep · 83 km away
  12. 3.0131 km WSW of Nikolski, Alaska · 1458 days ago · 19 km deep · 86 km away
  13. 4.3128 km WSW of Nikolski, Alaska · 1457 days ago · 62 km deep · 89 km away
  14. 4.8135 km SW of Nikolski, Alaska · 1456 days ago · 45 km deep · 92 km away
  15. 3.8130 km SW of Nikolski, Alaska · 1450 days ago · 46 km deep · 89 km away
  16. 2.8162 km SW of Nikolski, Alaska · 1450 days ago · 35 km deep · 68 km away
  17. 2.7172 km SW of Nikolski, Alaska · 1450 days ago · 35 km deep · 58 km away
  18. 3.1137 km SW of Nikolski, Alaska · 1442 days ago · 35 km deep · 83 km away
  19. 3.5160 km SW of Nikolski, Alaska · 1441 days ago · 35 km deep · 78 km away

Before

  1. 2.9140 km ESE of Atka, Alaska · 1493 days ago · 54 km deep · 37 km away
  2. 2.673 km ESE of Atka, Alaska · 1496 days ago · 63 km deep · 99 km away
  3. 2.7100 km E of Atka, Alaska · 1505 days ago · 10 km deep · 67 km away
  4. 3.2169 km WSW of Nikolski, Alaska · 1505 days ago · 79 km deep · 49 km away
  5. 2.5135 km SW of Nikolski, Alaska · 1508 days ago · 35 km deep · 96 km away
  6. 2.592 km ESE of Atka, Alaska · 1508 days ago · 10 km deep · 87 km away
  7. 2.8182 km WSW of Nikolski, Alaska · 1509 days ago · 35 km deep · 42 km away
  8. 3.1117 km E of Atka, Alaska · 1516 days ago · 10 km deep · 53 km away
  9. 4.6185 km WSW of Nikolski, Alaska · 1517 days ago · 31 km deep · 32 km away
  10. 3.3129 km WSW of Nikolski, Alaska · 1518 days ago · 35 km deep · 88 km away
  11. 1.9132 km SE of Atka, Alaska · 1518 days ago · 38 km deep · 86 km away
  12. 2.0165 km E of Atka, Alaska · 1519 days ago · 47 km deep · 7 km away
  13. 2.5176 km ESE of Atka, Alaska · 1519 days ago · 35 km deep · 28 km away
  14. 3.3102 km ESE of Atka, Alaska · 1519 days ago · 80 km deep · 77 km away
  15. 2.6121 km ESE of Atka, Alaska · 1519 days ago · 35 km deep · 85 km away
  16. 1.8140 km SE of Atka, Alaska · 1520 days ago · 32 km deep · 96 km away
  17. 1.891 km ESE of Atka, Alaska · 1522 days ago · 34 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iigh (also filed as ak022bb0y4ki). Read Sun, Oct 4, 2026, 7:44 PM UTC.