Alaska earthquakes

M2.7 earthquake 109 km SSW of False Pass, Alaska

A magnitude 2.7 earthquake struck 109 km SSW of False Pass, Alaska on Sun, Sep 17, 2023, 12:24 AM AKDT (08:24 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.3 103 km ESE of Akutan, Alaska. This one was a foreshock.

Akutan forecast More in Alaska

Map

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

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Sun, Sep 17, 2023, 12:24 AM AKDT
UTC: 2023-09-17 08:24:08 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.940° N, 164.042° 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 3.7 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.15
Depth from: Operator assigned
Station coverage gap: 228°, poorly surrounded by stations
Stations used: 11

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast115 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 67 in the 30 days before it.

After

The first 60 of 117.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lbs3 (also filed as ak023by4mv48). Read Mon, Sep 28, 2026, 12:56 AM UTC.