Alaska earthquakes

M2.8 earthquake 168 km W of Adak, Alaska

A magnitude 2.8 earthquake struck 168 km W of Adak, Alaska on Tue, Jul 28, 2026, 6:20 PM HADT (03:20 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.3 151 km WSW of Adak, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Tue, Jul 28, 2026, 6:20 PM HADT
UTC: 2026-07-29 03:20:09 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 51.702° N, 179.060° 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 1.0 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.09
Depth from: Operator assigned
Station coverage gap: 123°
Stations used: 20

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 114 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tgl0 (also filed as aka2026owhghp). Read Thu, Oct 1, 2026, 12:46 AM UTC.