Alaska earthquakes

M5.6 earthquake 87 km SE of Chenega, Alaska

A magnitude 5.6 earthquake struck 87 km SE of Chenega, Alaska on Wed, Apr 8, 1964, 9:33 AM GMT-10 (19:33 UTC), 19 km (11 mi) below the surface.

A larger quake followed: M5.6 76 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.

Open the live map with earthquakes

The earthquake

Magnitude
5.6 (mw), moderate
Local time
UTC
1964-04-08 19:33:21 UTC
Depth
18.5 km (11.5 mi), shallow
Epicenter
59.537° N, 146.866° 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
±0.20
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.6 and up: 4 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 5.626 km SSE of Chenega, Alaska · 22817 days ago · 15 km deep · 64 km away
  2. 5.541 km SW of Cordova, Alaska · 22797 days ago · 25 km deep · 87 km away
  3. 5.676 km SW of Cordova, Alaska · 22768 days ago · 10 km deep · 55 km away
  4. 5.529 km SSW of Cordova, Alaska · 22761 days ago · 13 km deep · 99 km away

Before

  1. 5.866 km E of Chenega, Alaska · 22822 days ago · 15 km deep · 71 km away
  2. 5.8133 km S of Cordova, Alaska · 22823 days ago · 18 km deep · 85 km away
  3. 5.552 km SSE of Chenega, Alaska · 22823 days ago · 20 km deep · 43 km away
  4. 6.067 km E of Chenega, Alaska · 22824 days ago · 25 km deep · 49 km away
  5. 5.658 km WSW of Cordova, Alaska · 22824 days ago · 15 km deep · 82 km away
  6. 6.078 km S of Cordova, Alaska · 22829 days ago · 11 km deep · 69 km away
  7. 5.1103 km S of Chenega, Alaska · 22829 days ago · 26 km deep · 72 km away
  8. 5.558 km ESE of Chenega, Alaska · 22829 days ago · 15 km deep · 34 km away
  9. 5.775 km SE of Chenega, Alaska · 22829 days ago · 18 km deep · 12 km away
  10. 5.593 km S of Chenega, Alaska · 22830 days ago · 22 km deep · 61 km away
  11. 6.356 km WSW of Cordova, Alaska · 22830 days ago · 10 km deep · 90 km away
  12. 6.360 km SW of Cordova, Alaska · 22830 days ago · 10 km deep · 78 km away
  13. 5.749 km WSW of Cordova, Alaska · 22830 days ago · 25 km deep · 87 km away
  14. 6.1101 km SE of Chenega, Alaska · 22830 days ago · 15 km deep · 21 km away
  15. 5.723 km SSE of Chenega, Alaska · 22831 days ago · 15 km deep · 69 km away
  16. 5.7Southern Alaska · 22831 days ago · 15 km deep · 74 km away
  17. 5.765 km SSW of Cordova, Alaska · 22831 days ago · 15 km deep · 63 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem868529. Read Tue, Sep 29, 2026, 7:45 PM UTC.