Alaska earthquakes

M5.8 earthquake 114 km SSW of Nikolski, Alaska

A magnitude 5.8 earthquake struck 114 km SSW of Nikolski, Alaska on Fri, May 8, 1964, 1:40 PM GMT-10 (23:40 UTC), 15 km (9 mi) below the surface.

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The earthquake

Magnitude
5.8 (mw), moderate
Local time
UTC
1964-05-08 23:40:45 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
51.956° N, 169.383° 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

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem867587 (also filed as ushis2702). Read Tue, Sep 22, 2026, 10:03 AM UTC.