Alaska earthquakes

M2.5 earthquake 81 km W of Adak, Alaska

A magnitude 2.5 earthquake struck 81 km W of Adak, Alaska on Sat, Nov 14, 2020, 10:42 AM HAST (20:42 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M5.0 124 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.5 (ml), micro
Local time: Sat, Nov 14, 2020, 10:42 AM HAST
UTC: 2020-11-14 20:42:16 UTC
Depth: 4.0 km (2.5 mi), shallow
Epicenter: 51.841° N, 177.810° 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 1.3 km horizontally, 3.7 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 137°
Stations used: 24

Nearby

Within 100 km, magnitude 1.5 and up: 128 in the 60 days after this one and 62 in the 30 days before it.

After

The first 60 of 128.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000cf7v (also filed as av91144656, ak020enwlev3). Read Sun, Sep 27, 2026, 9:58 AM UTC.