Alaska earthquakes

M4.1 earthquake 136 km S of False Pass, Alaska

A magnitude 4.1 earthquake struck 136 km S of False Pass, Alaska on Sat, Jun 3, 2023, 7:26 AM AKDT (15:26 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.8 113 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
4.1 (mb), light
Local time
UTC
2023-06-03 15:26:28 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
53.631° N, 163.271° 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 5.7 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
163°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 86 in the 30 days before it.

After

The first 60 of 164.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k7e1 (also filed as ak02372xukxb). Read Sun, Sep 27, 2026, 11:07 PM UTC.