Alaska earthquakes

M5.9 earthquake 42 km S of Glacier View, Alaska

A magnitude 5.9 earthquake struck 42 km S of Glacier View, Alaska on Mon, Apr 20, 1964, 7:01 PM GMT-10 (05:01 UTC), 36 km (22 mi) below the surface.

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The earthquake

Magnitude
5.9 (mw), moderate
Local time
UTC
1964-04-21 05:01:36 UTC
Depth
36.0 km (22.4 mi), shallow
Epicenter
61.426° N, 147.592° 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: 0 in the 60 days after this one and 6 in the 30 days before it.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem868977 (also filed as ushis2697). Read Tue, Sep 22, 2026, 6:28 AM UTC.