Alaska earthquakes

M2.7 earthquake 65 km SE of Adak, Alaska

A magnitude 2.7 earthquake struck 65 km SE of Adak, Alaska on Sun, Jan 19, 2020, 1:45 AM HAST (11:45 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M5.0 119 km SSW of Atka, Alaska. This one was a foreshock.

Map

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Sun, Jan 19, 2020, 1:45 AM HAST
UTC: 2020-01-19 11:45:34 UTC
Depth: 27.8 km (17.3 mi), shallow
Epicenter: 51.397° N, 176.070° 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 4.9 km horizontally, 13.3 km in depth
Depth from: From location
Station coverage gap: 208°, poorly surrounded by stations
Stations used: 27

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 70 in the 30 days before it.

After

The first 60 of 184.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600085pi (also filed as ak020vm12xu). Read Wed, Sep 30, 2026, 11:13 PM UTC.