Alaska earthquakes

M3.5 earthquake 70 km SW of False Pass, Alaska

A magnitude 3.5 earthquake struck 70 km SW of False Pass, Alaska on Sat, Jan 23, 2021, 3:40 PM AKST (00:40 UTC), 103 km (64 mi) below the surface.

Akutan 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: 3.5 (mb), minor
Local time: Sat, Jan 23, 2021, 3:40 PM AKST
UTC: 2021-01-24 00:40:45 UTC
Depth: 102.9 km (63.9 mi), intermediate-depth
Epicenter: 54.438° N, 164.235° 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 7.0 km horizontally, 5.5 km in depth
Magnitude uncertainty: ±0.17
Depth from: From location
Station coverage gap: 151°
Stations used: 92

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast106 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 83 in the 60 days after this one and 36 in the 30 days before it.

After

The first 60 of 83.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ddni (also filed as ak02113p503a). Read Wed, Sep 23, 2026, 8:03 PM UTC.