Alaska earthquakes

M1.6 earthquake 124 km W of Adak, Alaska

A magnitude 1.6 earthquake struck 124 km W of Adak, Alaska on Mon, Oct 29, 2018, 9:06 AM HADT (18:06 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M4.7 128 km SW of Adak, 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: Mon, Oct 29, 2018, 9:06 AM HADT
UTC: 2018-10-29 18:06:49 UTC
Depth: 12.2 km (7.6 mi), shallow
Epicenter: 51.674° N, 178.416° 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: 23

Nearby

Within 100 km, magnitude 1.5 and up: 168 in the 60 days after this one and 105 in the 30 days before it.

After

The first 60 of 168.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018dvr2064 (also filed as ak20303648). Read Thu, Oct 1, 2026, 10:39 PM UTC.