Alaska earthquakes

M2.7 earthquake 268 km W of Adak, Alaska

A magnitude 2.7 earthquake struck 268 km W of Adak, Alaska on Tue, Aug 2, 2022, 5:00 PM GMT+12 (05:00 UTC), 73 km (45 mi) below the surface.

A larger quake followed: M5.0 Rat Islands, Aleutian Islands, 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: 2.7 (ml), micro
Local time: Tue, Aug 2, 2022, 5:00 PM GMT+12
UTC: 2022-08-02 05:00:11 UTC
Depth: 73.0 km (45.4 mi), intermediate-depth
Epicenter: 51.467° N, 179.536° 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 9.0 km horizontally, 16.1 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 154°
Stations used: 19

Nearby

Within 100 km, magnitude 1.5 and up: 129 in the 60 days after this one and 138 in the 30 days before it.

After

The first 60 of 129.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000i8ds (also filed as ak0229tzzhdj). Read Tue, Sep 29, 2026, 11:14 PM UTC.