Alaska earthquakes

M2.8 earthquake 24 km N of False Pass, Alaska

A magnitude 2.8 earthquake struck 24 km N of False Pass, Alaska on Thu, Jan 21, 2021, 4:35 AM AKST (13:35 UTC), 104 km (65 mi) below the surface.

A larger quake followed: M3.5 70 km SW of False Pass, Alaska. This one was a foreshock.

King Cove forecast More in Alaska

Map

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: Thu, Jan 21, 2021, 4:35 AM AKST
UTC: 2021-01-21 13:35:59 UTC
Depth: 104.3 km (64.8 mi), intermediate-depth
Epicenter: 55.076° N, 163.406° 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 6.3 km horizontally, 5.5 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 122°
Stations used: 28

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

King Cove, AlaskaPopulation 1,009. Forecast69 kmW

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 19 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 us6000de8l (also filed as ak021yy8n4f). Read Wed, Sep 23, 2026, 11:11 PM UTC.