Alaska earthquakes

M2.2 earthquake 46 km S of Adak, Alaska

A magnitude 2.2 earthquake struck 46 km S of Adak, Alaska on Tue, Jan 9, 2018, 1:38 AM HAST (11:38 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M5.2 22 km SSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-01-09 11:38:55 UTC
Depth
41.6 km (25.8 mi), shallow
Epicenter
51.465° N, 176.510° 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
10

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 60 in the 30 days before it.

After

The first 60 of 181.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018f2m5kg (also filed as ak18025096). Read Thu, Oct 1, 2026, 9:23 PM UTC.