Alaska earthquakes

M1.6 earthquake 67 km WNW of Ninilchik, Alaska

A magnitude 1.6 earthquake struck 67 km WNW of Ninilchik, Alaska on Thu, Sep 30, 2021, 4:53 PM AKDT (00:53 UTC), 121 km (75 mi) below the surface.

A larger quake followed: M4.7 12 km SSW of Clam Gulch, Alaska. This one was a foreshock.

Ninilchik forecastMore in Alaska

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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
2021-10-01 00:53:56 UTC
Depth
121.1 km (75.2 mi), intermediate-depth
Epicenter
60.340° N, 152.739° 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
24

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 201 in the 60 days after this one and 183 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cl5kkmj. Read Thu, Sep 24, 2026, 11:00 AM UTC.