Alaska earthquakes

M3.2 earthquake 133 km S of Unalaska, Alaska

A magnitude 3.2 earthquake struck 133 km S of Unalaska, Alaska on Tue, Jan 21, 2025, 10:32 AM AKST (19:32 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.6 86 km SSW of Unalaska, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.2 (ml), minor
Local time
UTC
2025-01-21 19:32:00 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
52.675° N, 166.712° 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 7.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
276°, poorly surrounded by stations
Stations used
15

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 147 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 147.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pee4 (also filed as ak025z1se6h). Read Wed, Sep 30, 2026, 10:35 AM UTC.