Alaska earthquakes

M1.8 earthquake 83 km SW of Unalaska, Alaska

A magnitude 1.8 earthquake struck 83 km SW of Unalaska, Alaska on Sun, Jul 17, 2022, 2:55 PM AKDT (22:55 UTC), 92 km (57 mi) below the surface.

A larger quake followed: M4.4 90 km SE of Nikolski, 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
1.8 (ml), micro
Local time
UTC
2022-07-17 22:55:32 UTC
Depth
91.9 km (57.1 mi), intermediate-depth
Epicenter
53.304° N, 167.366° 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.

Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 133.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02293tu3z9. Read Tue, Sep 29, 2026, 11:30 AM UTC.