Alaska earthquakes

M5.0 earthquake 114 km WSW of Adak, Alaska

A magnitude 5.0 earthquake struck 114 km WSW of Adak, Alaska on Thu, Sep 18, 1980, 11:49 PM GMT-10 (09:49 UTC), 54 km (34 mi) below the surface.

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The earthquake

Magnitude
5.0 (mb), moderate
Local time
UTC
1980-09-19 09:49:13 UTC
Depth
54.0 km (33.6 mi), shallow
Epicenter
51.580° N, 178.222° 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.

Stations used
42

Nearby

Within 100 km, magnitude 2.0 and up: 1 in the 60 days after this one and 1 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00019vj. Read Tue, Sep 22, 2026, 8:57 PM UTC.