Alaska earthquakes

M3.0 earthquake 107 km SSE of King Cove, Alaska

A magnitude 3.0 earthquake struck 107 km SSE of King Cove, Alaska on Sat, Mar 13, 2021, 3:36 AM AKST (12:36 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.2 108 km SE of King Cove, Alaska. This one was a foreshock.

King Cove 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: Sat, Mar 13, 2021, 3:36 AM AKST
UTC: 2021-03-13 12:36:12 UTC
Depth: 7.5 km (4.7 mi), shallow
Epicenter: 54.251° N, 161.406° 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.

Location uncertainty: About 4.3 km horizontally, 6.9 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 209°, poorly surrounded by stations
Stations used: 39

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast108 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 136 in the 60 days after this one and 92 in the 30 days before it.

After

The first 60 of 136.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000dyl7 (also filed as ak0213ba1tda). Read Tue, Sep 29, 2026, 1:03 AM UTC.