Alaska earthquakes

M5.8 earthquake 72 km SSE of Old Harbor, Alaska

A magnitude 5.8 earthquake struck 72 km SSE of Old Harbor, Alaska on Fri, Mar 27, 1964, 11:05 PM GMT-10 (09:05 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M6.2 53 km ESE of Old Harbor, 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.

Open the live map with earthquakes

The earthquake

Magnitude
5.8 (mw), moderate
Local time
UTC
1964-03-28 09:05:57 UTC
Depth
19.8 km (12.3 mi), shallow
Epicenter
56.585° N, 152.924° 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.

Magnitude uncertainty
±0.67
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 25 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 6.253 km ESE of Old Harbor, Alaska · 22823 days ago · 25 km deep · 58 km away
  2. 6.567 km S of Akhiok, Alaska · 22823 days ago · 21 km deep · 81 km away
  3. 6.576 km S of Akhiok, Alaska · 22823 days ago · 25 km deep · 87 km away
  4. 6.585 km SSE of Old Harbor, Alaska · 22822 days ago · 21 km deep · 15 km away
  5. 5.692 km SSE of Old Harbor, Alaska · 22821 days ago · 23 km deep · 25 km away
  6. 5.890 km SSE of Old Harbor, Alaska · 22821 days ago · 20 km deep · 19 km away
  7. 5.8101 km SSE of Old Harbor, Alaska · 22821 days ago · 9 km deep · 30 km away
  8. 6.094 km SE of Old Harbor, Alaska · 22821 days ago · 15 km deep · 44 km away
  9. 5.687 km SSE of Old Harbor, Alaska · 22820 days ago · 20 km deep · 23 km away
  10. 5.489 km SSE of Old Harbor, Alaska · 22818 days ago · 25 km deep · 21 km away
  11. 6.195 km SSE of Old Harbor, Alaska · 22817 days ago · 15 km deep · 22 km away
  12. 5.956 km SE of Old Harbor, Alaska · 22816 days ago · 22 km deep · 26 km away
  13. 6.395 km SSE of Akhiok, Alaska · 22816 days ago · 23 km deep · 50 km away
  14. 6.195 km SSE of Akhiok, Alaska · 22816 days ago · 28 km deep · 58 km away
  15. 6.398 km SE of Old Harbor, Alaska · 22809 days ago · 10 km deep · 37 km away
  16. 5.7133 km SE of Old Harbor, Alaska · 22808 days ago · 15 km deep · 80 km away
  17. 5.5111 km SSE of Old Harbor, Alaska · 22807 days ago · 11 km deep · 44 km away
  18. 6.254 km S of Akhiok, Alaska · 22805 days ago · 29 km deep · 83 km away
  19. 6.495 km S of Old Harbor, Alaska · 22804 days ago · 23 km deep · 25 km away
  20. 6.199 km SSE of Old Harbor, Alaska · 22804 days ago · 10 km deep · 28 km away
  21. 5.891 km SSE of Akhiok, Alaska · 22802 days ago · 22 km deep · 72 km away
  22. 5.645 km SSE of Chiniak, Alaska · 22797 days ago · 25 km deep · 98 km away
  23. 5.8102 km SE of Old Harbor, Alaska · 22784 days ago · 21 km deep · 49 km away
  24. 5.847 km S of Akhiok, Alaska · 22782 days ago · 25 km deep · 75 km away
  25. 6.297 km SSE of Old Harbor, Alaska · 22778 days ago · 24 km deep · 34 km away

Before

  1. 5.9114 km SE of Old Harbor, Alaska · 22824 days ago · 20 km deep · 53 km away
  2. 5.925 km E of Old Harbor, Alaska · 22824 days ago · 25 km deep · 64 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem869867. Read Tue, Sep 22, 2026, 8:36 PM UTC.