Alaska earthquakes

M6.2 earthquake 98 km S of Attu Station, Alaska

A magnitude 6.2 earthquake struck 98 km S of Attu Station, Alaska on Thu, Feb 25, 1965, 5:22 PM GMT+12 (05:22 UTC), 27 km (17 mi) below the surface.

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The earthquake

Magnitude: 6.2 (mw), strong
Local time: Thu, Feb 25, 1965, 5:22 PM GMT+12
UTC: 1965-02-25 05:22:14 UTC
Depth: 26.9 km (16.7 mi), shallow
Epicenter: 51.971° N, 172.997° 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: ±0.20
Depth from: From location

Nearby

Within 100 km, magnitude 2.5 and up: 5 in the 60 days after this one and 20 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem860552 (also filed as ushis2790). Read Tue, Sep 22, 2026, 11:24 AM UTC.