Alaska earthquakes

M3.1 earthquake 265 km W of Adak, Alaska

A magnitude 3.1 earthquake struck 265 km W of Adak, Alaska on Fri, Jun 24, 2022, 3:22 AM GMT+12 (15:22 UTC), 74 km (46 mi) below the surface.

A larger quake followed: M4.4 235 km W of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 3.1 (ml), minor
Local time: Fri, Jun 24, 2022, 3:22 AM GMT+12
UTC: 2022-06-23 15:22:32 UTC
Depth: 73.6 km (45.7 mi), intermediate-depth
Epicenter: 51.504° N, 179.577° 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 9.4 km horizontally, 11.8 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 152°
Stations used: 22

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 190 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iady (also filed as ak022800koa4). Read Tue, Sep 29, 2026, 9:49 AM UTC.