Alaska earthquakes

M1.9 earthquake 16 km SE of Unalaska, Alaska

A magnitude 1.9 earthquake struck 16 km SE of Unalaska, Alaska on Mon, Aug 14, 2023, 3:02 AM AKDT (11:02 UTC), 78 km (49 mi) below the surface.

A larger quake followed: M4.3 96 km S of Unalaska, 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
1.9 (ml), micro
Local time
UTC
2023-08-14 11:02:33 UTC
Depth
78.4 km (48.7 mi), intermediate-depth
Epicenter
53.789° N, 166.336° 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
50

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 82 in the 30 days before it.

After

The first 60 of 121.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak023ady0pcx. Read Mon, Sep 28, 2026, 9:28 PM UTC.