Alaska earthquakes

M2.6 earthquake 50 km E of Adak, Alaska

A magnitude 2.6 earthquake struck 50 km E of Adak, Alaska on Tue, Aug 16, 2022, 5:14 AM HADT (14:14 UTC), 133 km (82 mi) below the surface.

A larger quake followed: M4.7 21 km SSW of Adak, 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: 2.6 (ml), micro
Local time: Tue, Aug 16, 2022, 5:14 AM HADT
UTC: 2022-08-16 14:14:44 UTC
Depth: 132.6 km (82.4 mi), intermediate-depth
Epicenter: 51.937° N, 175.908° 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 14.1 km horizontally, 5.2 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 181°, poorly surrounded by stations
Stations used: 10

Nearby

Within 100 km, magnitude 1.5 and up: 173 in the 60 days after this one and 105 in the 30 days before it.

After

The first 60 of 173.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000inj1 (also filed as ak022ahayaji). Read Thu, Oct 1, 2026, 12:35 AM UTC.