Alaska earthquakes

M4.4 earthquake 104 km SE of King Cove, Alaska

A magnitude 4.4 earthquake struck 104 km SE of King Cove, Alaska on Sun, Oct 4, 2020, 3:19 PM AKDT (23:19 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M5.9 118 km SSE of Sand Point, Alaska. This one was a foreshock.

King Cove forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-10-04 23:19:01 UTC
Depth
5.6 km (3.5 mi), shallow
Epicenter
54.306° N, 161.356° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
4.4mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.036 · 220 stations
4.0ML, local (Richter)Alaska Earthquake CenterPreliminary

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 4.8 km horizontally, 4.7 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
89°
Stations used
210

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 107 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000c5k4 (also filed as ak020cs57iuk). Read Fri, Oct 2, 2026, 2:57 AM UTC.