Alaska earthquakes

M2.9 earthquake 73 km SE of King Salmon, Alaska

A magnitude 2.9 earthquake struck 73 km SE of King Salmon, Alaska on Sat, Feb 20, 2021, 12:53 AM AKST (09:53 UTC), 131 km (82 mi) below the surface.

A larger quake followed: M3.1 63 km ENE of Ugashik, Alaska. This one was a foreshock.

Naknek 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: 2.9 (ml), micro
Local time: Sat, Feb 20, 2021, 12:53 AM AKST
UTC: 2021-02-20 09:53:11 UTC
Depth: 131.3 km (81.6 mi), intermediate-depth
Epicenter: 58.205° N, 155.794° 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: 98

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 80 in the 60 days after this one and 44 in the 30 days before it.

After

The first 60 of 80.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212ci2yuj (also filed as us6000djnq). Read Wed, Sep 30, 2026, 2:55 AM UTC.