Alaska earthquakes

M6.2 earthquake 89 km S of Akhiok, Alaska

A magnitude 6.2 earthquake struck 89 km S of Akhiok, Alaska on Sat, Mar 28, 1964, 8:04 PM GMT-10 (06:04 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M6.5 85 km SSE of Old Harbor, Alaska. This one was a foreshock.

Womens Bay forecast More in Alaska

Map

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The earthquake

Magnitude: 6.2 (mw), strong
Local time: Sat, Mar 28, 1964, 8:04 PM GMT-10
UTC: 1964-03-29 06:04:45 UTC
Depth: 21.9 km (13.6 mi), shallow
Epicenter: 56.148° N, 154.374° 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.

Womens Bay, AlaskaPopulation 719. Forecast199 kmSSW

Nearby

Within 100 km, magnitude 2.5 and up: 11 in the 60 days after this one and 2 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem870039 (also filed as ushis2666). Read Tue, Sep 22, 2026, 10:25 PM UTC.