Alaska earthquakes

M2.8 earthquake 73 km SSE of Chignik, Alaska

A magnitude 2.8 earthquake struck 73 km SSE of Chignik, Alaska on Sat, Oct 30, 2021, 6:15 PM AKDT (02:15 UTC), 18 km (11 mi) below the surface.

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

Sand Point 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: Sat, Oct 30, 2021, 6:15 PM AKDT
UTC: 2021-10-31 02:15:26 UTC
Depth: 18.0 km (11.2 mi), shallow
Epicenter: 55.676° N, 157.991° 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: 13

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast163 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 64 in the 60 days after this one and 26 in the 30 days before it.

After

The first 60 of 64.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021dysnn4z (also filed as us7000fusb). Read Wed, Sep 23, 2026, 6:27 AM UTC.