Alaska earthquakes

M2.3 earthquake 107 km SSE of Sand Point, Alaska

A magnitude 2.3 earthquake struck 107 km SSE of Sand Point, Alaska on Thu, Oct 28, 2021, 2:36 PM AKDT (22:36 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M5.6 115 km SSE of Perryville, Alaska. This one was a foreshock.

Sand Point forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.3 (ml), micro
Local time
UTC
2021-10-28 22:36:34 UTC
Depth
22.6 km (14.0 mi), shallow
Epicenter
54.475° N, 159.732° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 162 in the 60 days after this one and 72 in the 30 days before it.

After

The first 60 of 162.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021du62se7. Read Thu, Sep 24, 2026, 10:50 AM UTC.