Alaska earthquakes

M2.5 earthquake 131 km ESE of Akutan, Alaska

A magnitude 2.5 earthquake struck 131 km ESE of Akutan, Alaska on Mon, Feb 19, 2018, 5:42 PM AKST (02:42 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.8 134 km SE of Akutan, Alaska. This one was a foreshock.

Akutan 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: Mon, Feb 19, 2018, 5:42 PM AKST
UTC: 2018-02-20 02:42:03 UTC
Depth: 2.4 km (1.5 mi), shallow
Epicenter: 53.583° N, 164.008° 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 2.7 km horizontally, 6.7 km in depth
Stations used: 23

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast131 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 19 in the 30 days before it.

After

The first 60 of 108.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000d9cd (also filed as ak18463717, ak0182cdukq9). Read Wed, Sep 30, 2026, 11:47 PM UTC.