Alaska earthquakes

M2.7 earthquake 25 km S of Adak, Alaska

A magnitude 2.7 earthquake struck 25 km S of Adak, Alaska on Wed, Aug 5, 2026, 3:48 PM HADT (00:48 UTC), 95 km (59 mi) below the surface.

A larger quake followed: M3.8 70 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Wed, Aug 5, 2026, 3:48 PM HADT
UTC: 2026-08-06 00:48:20 UTC
Depth: 95.0 km (59.0 mi), intermediate-depth
Epicenter: 51.645° N, 176.603° 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 8.5 km horizontally, 7.4 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 197°, poorly surrounded by stations
Stations used: 19

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 since this one and 186 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 us6000tj3e (also filed as aka2026pkwjgn). Read Wed, Sep 30, 2026, 3:09 PM UTC.