Alaska earthquakes

M3.4 earthquake Alaska Peninsula

A magnitude 3.4 earthquake struck in the Alaska Peninsula on Tue, May 16, 2023, 7:46 PM AKDT (03:46 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.8 110 km SSE of Sand Point, Alaska. This one was a foreshock.

King Cove 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: 3.4 (ml), minor
Local time: Tue, May 16, 2023, 7:46 PM AKDT
UTC: 2023-05-17 03:46:52 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 54.582° N, 161.213° 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 2.1 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.12
Depth from: Operator assigned
Station coverage gap: 219°, poorly surrounded by stations
Stations used: 41

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast89 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 151 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 151.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kde7 (also filed as ak0236amoths). Read Mon, Sep 28, 2026, 7:56 PM UTC.