Alaska earthquakes

M1.8 earthquake 70 km SE of Unalaska, Alaska

A magnitude 1.8 earthquake struck 70 km SE of Unalaska, Alaska on Fri, Jun 22, 2018, 1:48 AM AKDT (09:48 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.6 91 km SSW 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: 1.8 (ml), micro
Local time: Fri, Jun 22, 2018, 1:48 AM AKDT
UTC: 2018-06-22 09:48:31 UTC
Depth: 13.2 km (8.2 mi), shallow
Epicenter: 53.480° N, 165.693° 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: 19

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast71 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 104 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 104.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0187y9mapm (also filed as ak19794874). Read Wed, Sep 30, 2026, 6:27 PM UTC.