Alaska earthquakes

M3.6 earthquake 22 km E of Unalaska, Alaska

A magnitude 3.6 earthquake struck 22 km E of Unalaska, Alaska on Sun, Jul 3, 2022, 10:16 AM AKDT (18:16 UTC), 86 km (54 mi) below the surface.

A larger quake followed: M5.3 67 km SSE of Akutan, Alaska. This one was a foreshock.

Unalaska forecast More in Alaska

Map

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

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The earthquake

Magnitude: 3.6 (ml), minor
Local time: Sun, Jul 3, 2022, 10:16 AM AKDT
UTC: 2022-07-03 18:16:06 UTC
Depth: 86.1 km (53.5 mi), intermediate-depth
Epicenter: 53.888° N, 166.200° 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 7.0 km horizontally, 4.9 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 177°
Stations used: 22

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Unalaska, AlaskaPopulation 4,491. Forecast22 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 68 in the 30 days before it.

After

The first 60 of 142.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000i267 (also filed as ak0228glp3om). Read Wed, Sep 30, 2026, 7:22 PM UTC.