Alaska earthquakes

M2.3 earthquake 56 km SSE of Adak, Alaska

A magnitude 2.3 earthquake struck 56 km SSE of Adak, Alaska on Sun, Nov 4, 2018, 4:05 PM HAST (02:05 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M4.5 62 km ESE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-11-05 02:05:59 UTC
Depth
22.4 km (13.9 mi), shallow
Epicenter
51.375° N, 176.456° 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: 122 in the 60 days after this one and 90 in the 30 days before it.

After

The first 60 of 122.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018e72aayu (also filed as ak20327039). Read Thu, Oct 1, 2026, 7:49 PM UTC.