Alaska earthquakes

M5.8 earthquake 17 km NW of Beluga, Alaska

A magnitude 5.8 earthquake struck 17 km NW of Beluga, Alaska on Mon, Jun 12, 1933, 5:23 AM GMT-10 (15:23 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M6.0 Southern Alaska. This one was a foreshock.

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The earthquake

Magnitude
5.8 (mw), moderate
Local time
UTC
1933-06-12 15:23:41 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
61.231° N, 151.354° 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
±0.39
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: 2 in the 60 days after this one and 0 in the 30 days before it.

After

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem905632 (also filed as ushis989). Read Tue, Sep 22, 2026, 8:03 AM UTC.