Alaska earthquakes

M2.7 earthquake 43 km ESE of King Salmon, Alaska

A magnitude 2.7 earthquake struck 43 km ESE of King Salmon, Alaska on Mon, Dec 6, 2021, 12:51 AM AKST (09:51 UTC), 166 km (103 mi) below the surface.

A larger quake followed: M3.6 99 km S of Kokhanok, Alaska. This one was a foreshock.

Naknek 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
2.7 (ml), micro
Local time
UTC
2021-12-06 09:51:39 UTC
Depth
166.3 km (103.3 mi), intermediate-depth
Epicenter
58.573° N, 155.944° 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
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 23 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fmge3tq (also filed as us6000g9ht). Read Wed, Sep 30, 2026, 11:19 AM UTC.