Alaska earthquakes

M1.8 earthquake 23 km SSE of Fox River, Alaska

A magnitude 1.8 earthquake struck 23 km SSE of Fox River, Alaska on Thu, Mar 11, 2021, 7:09 AM AKST (16:09 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M3.6 2 km WNW of Ninilchik, Alaska. This one was a foreshock.

Fox River 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
2021-03-11 16:09:49 UTC
Depth
41.8 km (26.0 mi), shallow
Epicenter
59.660° N, 150.823° 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
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 127 in the 60 days after this one and 86 in the 30 days before it.

After

The first 60 of 127.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02138179g7. Read Sun, Sep 27, 2026, 3:58 AM UTC.