Alaska earthquakes

M2.8 earthquake 156 km WSW of Adak, Alaska

A magnitude 2.8 earthquake struck 156 km WSW of Adak, Alaska on Wed, Dec 14, 2022, 3:13 AM HAST (13:13 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.2 210 km WSW of Adak, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Wed, Dec 14, 2022, 3:13 AM HAST
UTC: 2022-12-14 13:13:43 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 51.124° N, 178.538° 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 4.3 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.13
Depth from: Operator assigned
Station coverage gap: 221°, poorly surrounded by stations
Stations used: 15

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of 191.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000j0rl (also filed as ak022fzquadz). Read Wed, Sep 30, 2026, 5:50 AM UTC.