Alaska earthquakes

M2.5 earthquake 73 km WSW of Unalaska, Alaska

A magnitude 2.5 earthquake struck 73 km WSW of Unalaska, Alaska on Wed, Feb 12, 2020, 9:06 AM AKST (18:06 UTC), 102 km (64 mi) below the surface.

A larger quake followed: M4.8 35 km SE 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: 2.5 (ml), micro
Local time: Wed, Feb 12, 2020, 9:06 AM AKST
UTC: 2020-02-12 18:06:13 UTC
Depth: 102.3 km (63.6 mi), intermediate-depth
Epicenter: 53.602° N, 167.547° 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 11.9 km horizontally, 3.7 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 173°
Stations used: 19

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast73 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 13 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70007w97 (also filed as ak0201zev1dy). Read Tue, Sep 29, 2026, 10:48 PM UTC.