Alaska earthquakes

M2.9 earthquake 247 km WSW of Adak, Alaska

A magnitude 2.9 earthquake struck 247 km WSW of Adak, Alaska on Sat, Sep 17, 2022, 9:10 PM GMT+12 (09:10 UTC), 35 km (22 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: 2.9 (ml), micro
Local time: Sat, Sep 17, 2022, 9:10 PM GMT+12
UTC: 2022-09-17 09:10:00 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 51.175° N, 179.985° 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 5.2 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.13
Depth from: Operator assigned
Station coverage gap: 223°, poorly surrounded by stations
Stations used: 13

Nearby

Within 100 km, magnitude 1.5 and up: 86 in the 60 days after this one and 56 in the 30 days before it.

After

The first 60 of 86.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iv07 (also filed as ak022by556uv). Read Tue, Sep 29, 2026, 10:28 PM UTC.