Alaska earthquakes

M6.0 earthquake 152 km SE of Attu Station, Alaska

A magnitude 6.0 earthquake struck 152 km SE of Attu Station, Alaska on Sat, Feb 6, 1965, 8:47 AM GMT+12 (20:47 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M6.2 180 km ESE of Attu Station, Alaska. This one was a foreshock.

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The earthquake

Magnitude
6.0 (mw), moderate
Local time
UTC
1965-02-05 20:47:13 UTC
Depth
25.9 km (16.1 mi), shallow
Epicenter
51.764° N, 174.562° E
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
±0.22
Depth from
From location

Nearby

Within 100 km, magnitude 2.5 and up: 18 in the 60 days after this one and 18 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem859611 (also filed as ushis2769). Read Tue, Sep 22, 2026, 9:16 AM UTC.