Alaska earthquakes

M3.0 earthquake 93 km W of Elfin Cove, Alaska

A magnitude 3.0 earthquake struck 93 km W of Elfin Cove, Alaska on Sun, Apr 18, 2021, 3:07 AM AKDT (11:07 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.7 93 km W of Elfin Cove, Alaska. This one was a foreshock.

Hoonah 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: 3.0 (ml), minor
Local time: Sun, Apr 18, 2021, 3:07 AM AKDT
UTC: 2021-04-18 11:07:32 UTC
Depth: 10.1 km (6.3 mi), shallow
Epicenter: 58.197° N, 137.930° 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: 60

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 33 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 ak0214ysmteb (also filed as us6000e2lw). Read Wed, Sep 30, 2026, 9:23 PM UTC.