Alaska earthquakes

M2.7 earthquake 16 km WSW of Unalaska, Alaska

A magnitude 2.7 earthquake struck 16 km WSW of Unalaska, Alaska on Fri, Jun 19, 2020, 7:45 PM AKDT (03:45 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.3 74 km S 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: 2.7 (ml), micro
Local time: Fri, Jun 19, 2020, 7:45 PM AKDT
UTC: 2020-06-20 03:45:10 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 53.830° N, 166.765° 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 2.3 km horizontally, 1.7 km in depth
Magnitude uncertainty: ±0.15
Depth from: Operator assigned
Station coverage gap: 86°
Stations used: 22

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast16 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 107 in the 30 days before it.

After

The first 60 of 107.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000agq7 (also filed as av62184356, ak0207wihnri). Read Tue, Sep 29, 2026, 12:10 PM UTC.