Alaska earthquakes

M2.8 earthquake 58 km SE of King Salmon, Alaska

A magnitude 2.8 earthquake struck 58 km SE of King Salmon, Alaska on Mon, Apr 19, 2021, 9:58 PM AKDT (05:58 UTC), 142 km (88 mi) below the surface.

A larger quake followed: M3.7 85 km ESE of Egegik, 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: 2.8 (ml), micro
Local time: Mon, Apr 19, 2021, 9:58 PM AKDT
UTC: 2021-04-20 05:58:27 UTC
Depth: 142.1 km (88.3 mi), intermediate-depth
Epicenter: 58.277° N, 156.028° 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: 57

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 28 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021520ftxv (also filed as us6000e33v). Read Tue, Sep 29, 2026, 2:23 PM UTC.