Alaska earthquakes

M5.8 earthquake 101 km SE of Atka, Alaska

A magnitude 5.8 earthquake struck 101 km SE of Atka, Alaska on Sat, Mar 22, 1952, 7:15 AM GMT-11 (18:15 UTC), 28 km (18 mi) below the surface.

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The earthquake

Magnitude
5.8 (mw), moderate
Local time
UTC
1952-03-22 18:15:49 UTC
Depth
28.3 km (17.6 mi), shallow
Epicenter
51.515° N, 173.219° 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

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 iscgem892664 (also filed as ushis1773). Read Tue, Sep 22, 2026, 7:04 AM UTC.