Alaska earthquakes

M5.6 earthquake 26 km SSE of Chenega, Alaska

A magnitude 5.6 earthquake struck 26 km SSE of Chenega, Alaska on Fri, Apr 10, 1964, 9:05 AM GMT-10 (19:05 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M5.6 76 km SW of Cordova, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
5.6 (mw), moderate
Local time
UTC
1964-04-10 19:05:56 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
59.843° N, 147.829° 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 2.5 and up: 1 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 5.676 km SW of Cordova, Alaska · 22761 days ago · 10 km deep · 69 km away

Before

  1. 5.687 km SE of Chenega, Alaska · 22811 days ago · 19 km deep · 64 km away
  2. 5.866 km E of Chenega, Alaska · 22814 days ago · 15 km deep · 67 km away
  3. 5.552 km SSE of Chenega, Alaska · 22815 days ago · 20 km deep · 26 km away
  4. 6.067 km E of Chenega, Alaska · 22816 days ago · 25 km deep · 58 km away
  5. 5.658 km WSW of Cordova, Alaska · 22816 days ago · 15 km deep · 80 km away
  6. 5.1103 km S of Chenega, Alaska · 22821 days ago · 26 km deep · 78 km away
  7. 5.558 km ESE of Chenega, Alaska · 22822 days ago · 15 km deep · 41 km away
  8. 5.775 km SE of Chenega, Alaska · 22822 days ago · 18 km deep · 53 km away
  9. 5.412 km ESE of Lowell Point, Alaska · 22822 days ago · 26 km deep · 81 km away
  10. 5.743 km WSW of Chenega, Alaska · 22822 days ago · 15 km deep · 48 km away
  11. 5.933 km SSE of Lowell Point, Alaska · 22822 days ago · 21 km deep · 76 km away
  12. 6.054 km SE of Lowell Point, Alaska · 22822 days ago · 18 km deep · 61 km away
  13. 5.593 km S of Chenega, Alaska · 22823 days ago · 22 km deep · 68 km away
  14. 6.356 km WSW of Cordova, Alaska · 22823 days ago · 10 km deep · 84 km away
  15. 6.360 km SW of Cordova, Alaska · 22823 days ago · 10 km deep · 78 km away
  16. 5.749 km WSW of Cordova, Alaska · 22823 days ago · 25 km deep · 89 km away
  17. 6.125 km WSW of Chenega, Alaska · 22823 days ago · 20 km deep · 38 km away
  18. 6.1101 km SE of Chenega, Alaska · 22823 days ago · 15 km deep · 81 km away
  19. 5.723 km SSE of Chenega, Alaska · 22823 days ago · 15 km deep · 5 km away
  20. 5.7Southern Alaska · 22823 days ago · 15 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem868598. Read Tue, Sep 22, 2026, 6:37 AM UTC.