Alaska earthquakes

M2.7 earthquake 141 km S of False Pass, Alaska

A magnitude 2.7 earthquake struck 141 km S of False Pass, Alaska on Sat, May 20, 2023, 11:49 PM AKDT (07:49 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.

Akutan forecast More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 2.7 (ml), micro
Local time: Sat, May 20, 2023, 11:49 PM AKDT
UTC: 2023-05-21 07:49:20 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.582° N, 163.514° 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 5.0 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.09
Depth from: Operator assigned
Station coverage gap: 217°, poorly surrounded by stations
Stations used: 31

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast160 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 163 in the 60 days after this one and 81 in the 30 days before it.

After

The first 60 of 163.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k3dh (also filed as ak0236hb8ixo). Read Mon, Sep 28, 2026, 6:56 PM UTC.