Alaska earthquakes

M5.8 earthquake 112 km SE of False Pass, Alaska

A magnitude 5.8 earthquake struck 112 km SE of False Pass, Alaska on Fri, Feb 24, 1939, 3:15 AM GMT-11 (14:15 UTC), 25 km (16 mi) below the surface.

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The earthquake

Magnitude
5.8 (mw), moderate
Local time
UTC
1939-02-24 14:15:51 UTC
Depth
25.0 km (15.5 mi), shallow
Epicenter
54.043° N, 162.385° 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
±0.35
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 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem901837 (also filed as ushis1241). Read Mon, Sep 21, 2026, 3:39 PM UTC.