Alaska earthquakes

M2.6 earthquake 69 km SE of Adak, Alaska

A magnitude 2.6 earthquake struck 69 km SE of Adak, Alaska on Mon, Aug 31, 2026, 10:53 PM HADT (07:53 UTC), 35 km (22 mi) below the surface.

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

Map

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The earthquake

Magnitude: 2.6 (ml), micro
Local time: Mon, Aug 31, 2026, 10:53 PM HADT
UTC: 2026-09-01 07:53:39 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 51.364° N, 176.063° 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. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 3.5 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.13
Depth from: Operator assigned
Station coverage gap: 238°, poorly surrounded by stations
Stations used: 12

Nearby

Within 100 km, magnitude 1.5 and up: 96 since this one and 149 in the 30 days before it.

After

The first 60 of 96.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000tdfm (also filed as aka2026rhlcud). Read Tue, Sep 29, 2026, 8:44 PM UTC.