Alaska earthquakes

M1.7 earthquake 55 km SE of Unalaska, Alaska

A magnitude 1.7 earthquake struck 55 km SE of Unalaska, Alaska on Thu, May 24, 2018, 3:49 AM AKDT (11:49 UTC), 51 km (32 mi) below the surface.

A larger quake followed: M3.9 53 km SSE of Unalaska, 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: 1.7 (ml), micro
Local time: Thu, May 24, 2018, 3:49 AM AKDT
UTC: 2018-05-24 11:49:02 UTC
Depth: 50.8 km (31.6 mi), shallow
Epicenter: 53.566° N, 165.873° 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: 20

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast55 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 137 in the 60 days after this one and 60 in the 30 days before it.

After

The first 60 of 137.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0186mc8926 (also filed as ak19655364). Read Thu, Oct 1, 2026, 12:45 AM UTC.