Alaska earthquakes

M1.8 earthquake 45 km SSW of Atka, Alaska

A magnitude 1.8 earthquake struck 45 km SSW of Atka, Alaska on Wed, Jan 3, 2018, 12:09 AM HAST (10:09 UTC), 59 km (36 mi) below the surface.

A larger quake followed: M4.1 96 km SW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-01-03 10:09:29 UTC
Depth
58.5 km (36.4 mi), shallow
Epicenter
51.824° N, 174.467° 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: 107 in the 60 days after this one and 48 in the 30 days before it.

After

The first 60 of 107.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01854md91 (also filed as ak18024775). Read Thu, Oct 1, 2026, 10:11 PM UTC.