Alaska earthquakes

M3.4 earthquake 84 km ESE of King Cove, Alaska

A magnitude 3.4 earthquake struck 84 km ESE of King Cove, Alaska on Sat, Aug 8, 2020, 10:39 PM AKDT (06:39 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.9 68 km SE of Sand Point, 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: 3.4 (mb), minor
Local time: Sat, Aug 8, 2020, 10:39 PM AKDT
UTC: 2020-08-09 06:39:50 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 54.671° N, 161.190° W
Region: Alaska
Felt reports: 1
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.0 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.17
Depth from: Operator assigned
Station coverage gap: 178°
Stations used: 102

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast84 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000bbcm (also filed as ak020a794430). Read Sun, Sep 27, 2026, 5:36 PM UTC.