Alaska earthquakes

M3.6 earthquake 34 km SSE of Unalaska, Alaska

A magnitude 3.6 earthquake struck 34 km SSE of Unalaska, Alaska on Fri, Jun 1, 2018, 9:20 AM AKDT (17:20 UTC), 78 km (49 mi) below the surface.

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: 3.6 (mb), minor
Local time: Fri, Jun 1, 2018, 9:20 AM AKDT
UTC: 2018-06-01 17:20:56 UTC
Depth: 78.5 km (48.8 mi), intermediate-depth
Epicenter: 53.586° N, 166.329° 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.

Location uncertainty: About 6.2 km horizontally, 5.6 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 179°
Stations used: 169

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast35 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 126 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 126.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000eguw (also filed as ak19696415, ak0186znxj13). Read Wed, Sep 30, 2026, 8:34 PM UTC.