Alaska earthquakes

M2.9 earthquake 296 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 296 km SE of Chiniak, Alaska on Thu, May 18, 2023, 10:34 AM AKDT (18:34 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.3 245 km SE of Chiniak, Alaska. This one was a foreshock.

Anchorage 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: 2.9 (ml), micro
Local time: Thu, May 18, 2023, 10:34 AM AKDT
UTC: 2023-05-18 18:34:39 UTC
Depth: 15.8 km (9.8 mi), shallow
Epicenter: 56.025° N, 148.391° 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 10.1 km horizontally, 8.5 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 199°, poorly surrounded by stations
Stations used: 35

Nearest places

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

Anchorage, AlaskaPopulation 289,600. Forecast584 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 16 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k3cd (also filed as ak0236cj3aon). Read Sun, Sep 27, 2026, 4:52 PM UTC.