Alaska earthquakes

M3.2 earthquake 47 km WSW of Atka, Alaska

A magnitude 3.2 earthquake struck 47 km WSW of Atka, Alaska on Fri, Jan 13, 2023, 12:21 AM HAST (10:21 UTC), 101 km (63 mi) below the surface.

A larger quake followed: M4.3 65 km NNW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.2 (ml), minor
Local time
UTC
2023-01-13 10:21:33 UTC
Depth
101.3 km (62.9 mi), intermediate-depth
Epicenter
52.007° N, 174.821° 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.

Location uncertainty
About 12.3 km horizontally, 11.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
203°, poorly surrounded by stations
Stations used
15

Nearby

Within 100 km, magnitude 1.5 and up: 82 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 82.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jkcx (also filed as ak023lo2g2o). Read Wed, Sep 30, 2026, 11:05 AM UTC.