Alaska earthquakes

M1.6 earthquake 80 km WSW of Adak, Alaska

A magnitude 1.6 earthquake struck 80 km WSW of Adak, Alaska on Fri, Nov 30, 2018, 2:33 PM HAST (00:33 UTC), 30 km (18 mi) below the surface.

A larger quake followed: M5.9 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Fri, Nov 30, 2018, 2:33 PM HAST
UTC: 2018-12-01 00:33:48 UTC
Depth: 29.6 km (18.4 mi), shallow
Epicenter: 51.611° N, 177.721° 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: 14

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 82 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018fe18frw (also filed as ak20560248). Read Fri, Oct 2, 2026, 12:45 AM UTC.