Alaska earthquakes

M1.6 earthquake 112 km ENE of Chignik, Alaska

A magnitude 1.6 earthquake struck 112 km ENE of Chignik, Alaska on Thu, Mar 12, 2020, 11:38 PM AKDT (07:38 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.7 100 km SE of Chignik, Alaska. This one was a foreshock.

Naknek 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
1.6 (ml), micro
Local time
UTC
2020-03-13 07:38:47 UTC
Depth
20.8 km (12.9 mi), shallow
Epicenter
56.532° N, 156.638° 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
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 43 in the 60 days after this one and 18 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0203cumm5h. Read Tue, Sep 29, 2026, 5:15 PM UTC.