Alaska earthquakes

M1.8 earthquake 10 km ESE of Karluk, Alaska

A magnitude 1.8 earthquake struck 10 km ESE of Karluk, Alaska on Tue, Sep 8, 2020, 3:45 PM AKDT (23:45 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.1 36 km NE of Larsen Bay, Alaska. This one was a foreshock.

Womens Bay 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
1.8 (ml), micro
Local time
UTC
2020-09-08 23:45:35 UTC
Depth
11.0 km (6.8 mi), shallow
Epicenter
57.536° N, 154.289° 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
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 39 in the 30 days before it.

After

The first 60 of 67.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020bl5e59o. Read Wed, Sep 30, 2026, 4:10 PM UTC.