Alaska earthquakes

M1.9 earthquake 24 km SSE of Unalaska, Alaska

A magnitude 1.9 earthquake struck 24 km SSE of Unalaska, Alaska on Tue, Aug 16, 2022, 10:32 PM AKDT (06:32 UTC), 72 km (45 mi) below the surface.

A larger quake followed: M4.7 83 km SSW of Unalaska, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2022-08-17 06:32:13 UTC
Depth
72.1 km (44.8 mi), intermediate-depth
Epicenter
53.664° N, 166.403° 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
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 143 in the 60 days after this one and 82 in the 30 days before it.

After

The first 60 of 143.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak022aittyq5. Read Mon, Sep 28, 2026, 12:31 PM UTC.