Alaska earthquakes

M3.3 earthquake 208 km W of Adak, Alaska

A magnitude 3.3 earthquake struck 208 km W of Adak, Alaska on Wed, Sep 14, 2022, 5:10 PM HADT (02:10 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.7 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

Map

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

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The earthquake

Magnitude: 3.3 (ml), minor
Local time: Wed, Sep 14, 2022, 5:10 PM HADT
UTC: 2022-09-15 02:10:44 UTC
Depth: 16.2 km (10.1 mi), shallow
Epicenter: 51.614° N, 179.631° 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 3.5 km horizontally, 6.1 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 154°
Stations used: 35

Nearby

Within 100 km, magnitude 1.5 and up: 114 in the 60 days after this one and 78 in the 30 days before it.

After

The first 60 of 114.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iu6f (also filed as ak022bupwn6l). Read Tue, Sep 29, 2026, 9:33 PM UTC.