Alaska earthquakes

M1.9 earthquake 126 km W of Adak, Alaska

A magnitude 1.9 earthquake struck 126 km W of Adak, Alaska on Tue, Jan 9, 2018, 3:58 AM HAST (13:58 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.6 111 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-01-09 13:58:28 UTC
Depth
21.0 km (13.0 mi), shallow
Epicenter
51.740° N, 178.458° 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: at least 199 in the 60 days after this one and 78 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018f3x91c (also filed as ak18025116). Read Fri, Oct 2, 2026, 12:42 AM UTC.