Alaska earthquakes

M1.6 earthquake 258 km W of Adak, Alaska

A magnitude 1.6 earthquake struck 258 km W of Adak, Alaska on Thu, Aug 25, 2022, 10:26 AM GMT+12 (22:26 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M5.0 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 1.6 (ml), micro
Local time: Thu, Aug 25, 2022, 10:26 AM GMT+12
UTC: 2022-08-24 22:26:35 UTC
Depth: 7.9 km (4.9 mi), shallow
Epicenter: 51.949° N, 179.614° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty: ±0.43
Depth from: From location
Station coverage gap: 83°
Stations used: 6

Nearby

Within 100 km, magnitude 1.5 and up: 110 in the 60 days after this one and 68 in the 30 days before it.

After

The first 60 of 110.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91668061 (also filed as ak022auo32p0). Read Wed, Sep 30, 2026, 9:26 AM UTC.