Alaska earthquakes

M5.7 earthquake 65 km SSW of Cordova, Alaska

A magnitude 5.7 earthquake struck 65 km SSW of Cordova, Alaska on Fri, Mar 27, 1964, 7:33 PM GMT-10 (05:33 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M5.7 23 km SSE of Chenega, Alaska. This one was a foreshock.

Cordova 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
5.7 (mw), moderate
Local time
UTC
1964-03-28 05:33:53 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
60.051° N, 146.393° 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
±0.58
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: 19 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 5.7Southern Alaska · 22823 days ago · 15 km deep · 73 km away
  2. 5.723 km SSE of Chenega, Alaska · 22823 days ago · 15 km deep · 87 km away
  3. 6.1101 km SE of Chenega, Alaska · 22823 days ago · 15 km deep · 54 km away
  4. 5.749 km WSW of Cordova, Alaska · 22823 days ago · 25 km deep · 29 km away
  5. 6.360 km SW of Cordova, Alaska · 22823 days ago · 10 km deep · 25 km away
  6. 6.356 km WSW of Cordova, Alaska · 22823 days ago · 10 km deep · 36 km away
  7. 5.775 km SE of Chenega, Alaska · 22822 days ago · 18 km deep · 57 km away
  8. 5.558 km ESE of Chenega, Alaska · 22822 days ago · 15 km deep · 47 km away
  9. 6.078 km S of Cordova, Alaska · 22821 days ago · 11 km deep · 40 km away
  10. 5.658 km WSW of Cordova, Alaska · 22816 days ago · 15 km deep · 28 km away
  11. 6.067 km E of Chenega, Alaska · 22816 days ago · 25 km deep · 25 km away
  12. 5.552 km SSE of Chenega, Alaska · 22816 days ago · 20 km deep · 81 km away
  13. 5.8133 km S of Cordova, Alaska · 22815 days ago · 18 km deep · 95 km away
  14. 5.866 km E of Chenega, Alaska · 22815 days ago · 15 km deep · 28 km away
  15. 5.687 km SE of Chenega, Alaska · 22812 days ago · 19 km deep · 63 km away
  16. 5.625 km SW of Cordova, Alaska · 22812 days ago · 14 km deep · 39 km away
  17. 5.677 km SSE of Cordova, Alaska · 22811 days ago · 17 km deep · 67 km away
  18. 5.626 km SSE of Chenega, Alaska · 22810 days ago · 15 km deep · 83 km away
  19. 5.541 km SW of Cordova, Alaska · 22789 days ago · 25 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem869815 (also filed as ushis2644). Read Tue, Sep 22, 2026, 8:51 AM UTC.