Alaska earthquakes

M3.0 earthquake 266 km W of Adak, Alaska

A magnitude 3.0 earthquake struck 266 km W of Adak, Alaska on Tue, May 9, 2023, 10:28 PM GMT+12 (10:28 UTC), 160 km (99 mi) below the surface.

A larger quake followed: M4.4 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 3.0 (ml), minor
Local time: Tue, May 9, 2023, 10:28 PM GMT+12
UTC: 2023-05-09 10:28:10 UTC
Depth: 159.6 km (99.2 mi), intermediate-depth
Epicenter: 51.941° N, 179.489° E
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 8.0 km horizontally, 2.7 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 164°
Stations used: 11

Nearby

Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 33 in the 30 days before it.

After

The first 60 of 135.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kbk3 (also filed as ak0235xig4ny). Read Wed, Sep 30, 2026, 12:30 PM UTC.