Alaska earthquakes

M2.3 earthquake 141 km WSW of Adak, Alaska

A magnitude 2.3 earthquake struck 141 km WSW of Adak, Alaska on Mon, Jan 23, 2017, 8:36 PM HAST (06:36 UTC), 36 km (23 mi) below the surface.

A larger quake followed: M4.6 Andreanof Islands, Aleutian Islands, 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
2017-01-24 06:36:01 UTC
Depth
36.4 km (22.6 mi), shallow
Epicenter
51.260° 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
12

Nearby

Within 100 km, magnitude 1.5 and up: 162 in the 60 days after this one and 84 in the 30 days before it.

After

The first 60 of 162.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01713sond9 (also filed as ak15177285). Read Sun, Oct 4, 2026, 6:11 AM UTC.