Alaska earthquakes

M5.8 earthquake 133 km S of Cordova, Alaska

A magnitude 5.8 earthquake struck 133 km S of Cordova, Alaska on Sat, Apr 4, 1964, 12:16 PM GMT-10 (22:16 UTC), 18 km (11 mi) below the surface.

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The earthquake

Magnitude
5.8 (mw), moderate
Local time
UTC
1964-04-04 22:16:57 UTC
Depth
18.0 km (11.2 mi), shallow
Epicenter
59.356° N, 145.410° 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: 5 in the 60 days after this one and 6 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem868372 (also filed as ushis2681). Read Tue, Sep 22, 2026, 10:52 AM UTC.