Alaska earthquakes

M2.5 earthquake 62 km ENE of Adak, Alaska

A magnitude 2.5 earthquake struck 62 km ENE of Adak, Alaska on Sun, Jan 12, 2020, 2:24 PM HAST (00:24 UTC), 224 km (139 mi) below the surface.

A larger quake followed: M4.7 87 km SW of Atka, Alaska. This one was a foreshock.

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: Sun, Jan 12, 2020, 2:24 PM HAST
UTC: 2020-01-13 00:24:48 UTC
Depth: 224.3 km (139.4 mi), intermediate-depth
Epicenter: 52.169° N, 175.861° 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 13.0 km horizontally, 4.4 km in depth
Depth from: From location
Station coverage gap: 140°
Stations used: 22

Nearby

Within 100 km, magnitude 1.5 and up: 134 in the 60 days after this one and 60 in the 30 days before it.

After

The first 60 of 134.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60007hql (also filed as ak020li4r99). Read Wed, Sep 30, 2026, 10:28 PM UTC.