Alaska earthquakes

M6.2 earthquake 189 km SE of Chignik, Alaska

A magnitude 6.2 earthquake struck 189 km SE of Chignik, Alaska on Sun, Mar 18, 1945, 9:54 AM GMT-9 (18:54 UTC), 25 km (16 mi) below the surface.

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The earthquake

Magnitude
6.2 (mw), strong
Local time
UTC
1945-03-18 18:54:45 UTC
Depth
25.0 km (15.5 mi), shallow
Epicenter
54.953° N, 156.542° 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
±0.62
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 iscgem898845 (also filed as ushis1490). Read Tue, Sep 22, 2026, 3:15 AM UTC.