Alaska earthquakes

M1.8 earthquake 58 km SW of Unalaska, Alaska

A magnitude 1.8 earthquake struck 58 km SW of Unalaska, Alaska on Wed, May 30, 2018, 3:42 AM AKDT (11:42 UTC), 16 km (10 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.

Open the live map with earthquakes

The earthquake

Magnitude: 1.8 (ml), micro
Local time: Wed, May 30, 2018, 3:42 AM AKDT
UTC: 2018-05-30 11:42:33 UTC
Depth: 16.0 km (9.9 mi), shallow
Epicenter: 53.521° N, 167.190° 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. Forecast58 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 95 in the 60 days after this one and 32 in the 30 days before it.

After

The first 60 of 95.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0186w9ewe1 (also filed as ak19694034). Read Wed, Sep 30, 2026, 10:23 PM UTC.