Alaska earthquakes

M3.2 earthquake 25 km WNW of Atka, Alaska

A magnitude 3.2 earthquake struck 25 km WNW of Atka, Alaska on Thu, Jan 30, 2020, 2:57 AM HAST (12:57 UTC), 226 km (141 mi) below the surface.

A larger quake followed: M4.2 53 km NNW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 3.2 (ml), minor
Local time: Thu, Jan 30, 2020, 2:57 AM HAST
UTC: 2020-01-30 12:57:55 UTC
Depth: 226.5 km (140.7 mi), intermediate-depth
Epicenter: 52.290° N, 174.548° 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 15.8 km horizontally, 6.1 km in depth
Depth from: From location
Station coverage gap: 140°
Stations used: 26

Nearby

Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 35 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 us70007mt2 (also filed as ak0201dtlydx). Read Wed, Sep 30, 2026, 8:38 PM UTC.