Alaska earthquakes

M5.7 earthquake 49 km WSW of Cordova, Alaska

A magnitude 5.7 earthquake struck 49 km WSW of Cordova, Alaska on Sat, Mar 28, 1964, 2:03 AM GMT-10 (12:03 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M6.3 60 km SW of Cordova, 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, moment), moderate
Magnitude from
ISC-GEM global catalog
Local time
UTC
1964-03-28 12:03:19 UTC
Depth
25.0 km (15.5 mi), shallow
Epicenter
60.304° N, 146.518° 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
±0.46
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.7 and up: 15 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 6.360 km SW of Cordova, Alaska · 22832 days ago · 10 km deep · 12 km away
  2. 6.356 km WSW of Cordova, Alaska · 22832 days ago · 10 km deep · 11 km away
  3. 5.775 km SE of Chenega, Alaska · 22831 days ago · 18 km deep · 79 km away
  4. 5.558 km ESE of Chenega, Alaska · 22831 days ago · 15 km deep · 63 km away
  5. 6.078 km S of Cordova, Alaska · 22830 days ago · 11 km deep · 65 km away
  6. 5.658 km WSW of Cordova, Alaska · 22825 days ago · 15 km deep · 9 km away
  7. 6.067 km E of Chenega, Alaska · 22825 days ago · 25 km deep · 40 km away
  8. 5.552 km SSE of Chenega, Alaska · 22825 days ago · 20 km deep · 95 km away
  9. 5.866 km E of Chenega, Alaska · 22824 days ago · 15 km deep · 23 km away
  10. 5.687 km SE of Chenega, Alaska · 22821 days ago · 19 km deep · 87 km away
  11. 5.625 km SW of Cordova, Alaska · 22821 days ago · 14 km deep · 27 km away
  12. 5.677 km SSE of Cordova, Alaska · 22820 days ago · 17 km deep · 85 km away
  13. 5.626 km SSE of Chenega, Alaska · 22819 days ago · 15 km deep · 89 km away
  14. 5.536 km NE of Cordova, Alaska · 22809 days ago · 24 km deep · 86 km away
  15. 5.541 km SW of Cordova, Alaska · 22798 days ago · 25 km deep · 18 km away

Before

  1. 6.1101 km SE of Chenega, Alaska · 22832 days ago · 15 km deep · 82 km away
  2. 5.723 km SSE of Chenega, Alaska · 22832 days ago · 15 km deep · 91 km away
  3. 5.7Southern Alaska · 22832 days ago · 15 km deep · 72 km away
  4. 5.765 km SSW of Cordova, Alaska · 22832 days ago · 15 km deep · 29 km away
  5. 9.2The 1964 Prince William Sound, Alaska Earthquake · 22832 days ago · 25 km deep · 81 km away · felt by 459

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem869907. Read Thu, Oct 1, 2026, 2:00 PM UTC.