Alaska earthquakes

M2.4 earthquake 103 km SW of Akhiok, Alaska

A magnitude 2.4 earthquake struck 103 km SW of Akhiok, Alaska on Fri, Oct 22, 2021, 3:13 PM AKDT (23:13 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M4.5 151 km SSW of Akhiok, 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
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-10-22 23:13:34 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
56.401° N, 155.536° 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.

Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 105 in the 60 days after this one and 135 in the 30 days before it.

After

The first 60 of 105.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021dk9b7jr. Read Thu, Oct 1, 2026, 6:59 PM UTC.