Alaska earthquakes

M2.8 earthquake 81 km NNE of Adak, Alaska

A magnitude 2.8 earthquake struck 81 km NNE of Adak, Alaska on Thu, May 5, 2022, 9:14 PM HADT (06:14 UTC), 225 km (140 mi) below the surface.

A larger quake followed: M4.0 114 km NE 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: Thu, May 5, 2022, 9:14 PM HADT
UTC: 2022-05-06 06:14:50 UTC
Depth: 225.3 km (140.0 mi), intermediate-depth
Epicenter: 52.565° N, 176.234° 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 16.4 km horizontally, 12.2 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 203°, poorly surrounded by stations
Stations used: 20

Nearby

Within 100 km, magnitude 1.5 and up: 64 in the 60 days after this one and 17 in the 30 days before it.

After

The first 60 of 64.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000hyzz (also filed as ak0225shdfum). Read Wed, Sep 30, 2026, 7:05 AM UTC.