Alaska earthquakes

M2.5 earthquake 68 km S of False Pass, Alaska

A magnitude 2.5 earthquake struck 68 km S of False Pass, Alaska on Sat, Jan 21, 2023, 11:36 AM AKST (20:36 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.3 145 km S of False Pass, 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
2.5 (ml), micro
Local time
UTC
2023-01-21 20:36:45 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
54.250° N, 163.238° 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 4.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
205°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 137 in the 30 days before it.

After

The first 60 of 107.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jlad (also filed as ak023z2erpl). Read Sun, Sep 27, 2026, 7:07 PM UTC.