Alaska earthquakes

M2.8 earthquake 62 km ESE of Atka, Alaska

A magnitude 2.8 earthquake struck 62 km ESE of Atka, Alaska on Mon, Sep 5, 2022, 4:09 AM HADT (13:09 UTC), 65 km (40 mi) below the surface.

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

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Mon, Sep 5, 2022, 4:09 AM HADT
UTC: 2022-09-05 13:09:17 UTC
Depth: 65.1 km (40.5 mi), shallow
Epicenter: 51.947° N, 173.390° 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 16.2 km horizontally, 32.9 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 201°, poorly surrounded by stations
Stations used: 14

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 57 in the 30 days before it.

After

The first 60 of 121.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ited (also filed as ak022bed2n52). Read Wed, Sep 30, 2026, 4:33 AM UTC.