Alaska earthquakes

M1.8 earthquake 42 km E of Old Harbor, Alaska

A magnitude 1.8 earthquake struck 42 km E of Old Harbor, Alaska on Sat, Dec 4, 2021, 10:35 PM AKST (07:35 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.6 Kodiak Island region, Alaska. This one was a foreshock.

Womens Bay forecastMore in Alaska

Map

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

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The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-12-05 07:35:55 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
57.165° N, 152.598° 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.

Stations used
20

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.632 km NNE of Larsen Bay, Alaska · 1748 days ago · 47 km deep · 97 km away
  2. 3.6Kodiak Island region, Alaska · 1741 days ago · 11 km deep · 58 km away
  3. 1.94 km S of Akhiok, Alaska · 1738 days ago · 3 km deep · 100 km away
  4. 1.99 km NNW of Akhiok, Alaska · 1733 days ago · 26 km deep · 99 km away
  5. 1.533 km SSW of Womens Bay, Alaska · 1733 days ago · 28 km deep · 29 km away
  6. 1.919 km SSE of Womens Bay, Alaska · 1731 days ago · 19 km deep · 39 km away
  7. 3.753 km SSE of Old Harbor, Alaska · 1728 days ago · 7 km deep · 58 km away
  8. 2.646 km SSE of Old Harbor, Alaska · 1727 days ago · 45 km deep · 43 km away
  9. 1.714 km SW of Chiniak, Alaska · 1726 days ago · 16 km deep · 42 km away
  10. 2.695 km SE of Chiniak, Alaska · 1723 days ago · 16 km deep · 93 km away
  11. 1.93 km ESE of Womens Bay, Alaska · 1718 days ago · 29 km deep · 57 km away
  12. 2.441 km E of Old Harbor, Alaska · 1717 days ago · 44 km deep · 4 km away
  13. 1.827 km SW of Chiniak, Alaska · 1714 days ago · 22 km deep · 28 km away
  14. 2.393 km SSE of Old Harbor, Alaska · 1712 days ago · 11 km deep · 83 km away
  15. 2.043 km ESE of Akhiok, Alaska · 1709 days ago · 6 km deep · 72 km away
  16. 2.239 km NE of Larsen Bay, Alaska · 1707 days ago · 53 km deep · 92 km away
  17. 2.46 km NW of Old Harbor, Alaska · 1702 days ago · 40 km deep · 48 km away
  18. 2.491 km SE of Old Harbor, Alaska · 1696 days ago · 14 km deep · 71 km away
  19. 2.394 km SSE of Old Harbor, Alaska · 1696 days ago · 20 km deep · 83 km away
  20. 2.999 km SSE of Old Harbor, Alaska · 1695 days ago · 16 km deep · 86 km away
  21. 2.498 km SSE of Old Harbor, Alaska · 1695 days ago · 12 km deep · 84 km away

Before

  1. 1.637 km N of Old Harbor, Alaska · 1753 days ago · 50 km deep · 58 km away
  2. 1.635 km NE of Larsen Bay, Alaska · 1756 days ago · 37 km deep · 90 km away
  3. 2.721 km W of Port Lions, Alaska · 1767 days ago · 58 km deep · 85 km away
  4. 2.520 km ENE of Akhiok, Alaska · 1773 days ago · 26 km deep · 78 km away
  5. 2.527 km SW of Port Lions, Alaska · 1774 days ago · 58 km deep · 70 km away
  6. 1.722 km WSW of Port Lions, Alaska · 1776 days ago · 38 km deep · 76 km away
  7. 2.181 km SE of Akhiok, Alaska · 1776 days ago · 21 km deep · 87 km away
  8. 1.533 km SSW of Larsen Bay, Alaska · 1777 days ago · 40 km deep · 98 km away
  9. 2.453 km ESE of Chiniak, Alaska · 1778 days ago · 14 km deep · 68 km away
  10. 1.532 km W of Old Harbor, Alaska · 1778 days ago · 11 km deep · 75 km away
  11. 1.820 km NNE of Old Harbor, Alaska · 1779 days ago · 48 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fkrkazn. Read Wed, Sep 23, 2026, 5:06 AM UTC.