Alaska earthquakes

M3.4 earthquake 334 km W of Adak, Alaska

A magnitude 3.4 earthquake struck 334 km W of Adak, Alaska on Fri, Dec 2, 2022, 2:57 AM GMT+12 (14:57 UTC), 95 km (59 mi) below the surface.

A larger quake followed: M6.3 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 3.4 (ml), minor
Local time: Fri, Dec 2, 2022, 2:57 AM GMT+12
UTC: 2022-12-01 14:57:16 UTC
Depth: 94.9 km (58.9 mi), intermediate-depth
Epicenter: 51.680° N, 178.536° 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 6.2 km horizontally, 6.4 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 234°, poorly surrounded by stations
Stations used: 21

Nearby

Within 100 km, magnitude 1.5 and up: 118 in the 60 days after this one and 26 in the 30 days before it.

After

The first 60 of 118.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000j65e (also filed as ak022fe9pkyi). Read Wed, Sep 30, 2026, 10:36 AM UTC.