Alaska earthquakes

M2.8 earthquake 242 km WSW of Adak, Alaska

A magnitude 2.8 earthquake struck 242 km WSW of Adak, Alaska on Sun, Jan 26, 2020, 8:20 PM GMT-12 (08:20 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 239 km WSW of Adak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Sun, Jan 26, 2020, 8:20 PM GMT-12
UTC: 2020-01-27 08:20:08 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 50.965° N, 179.808° 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 2.9 km horizontally, 2.0 km in depth
Depth from: Operator assigned
Station coverage gap: 241°, poorly surrounded by stations
Stations used: 19

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 135 in the 30 days before it.

After

The first 60 of 115.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70007l0e (also filed as ak02018se56x). Read Wed, Sep 30, 2026, 11:53 PM UTC.