Alaska earthquakes

M1.7 earthquake 41 km NW of Ninilchik, Alaska

A magnitude 1.7 earthquake struck 41 km NW of Ninilchik, Alaska on Thu, Apr 1, 2021, 10:31 PM AKDT (06:31 UTC), 88 km (55 mi) below the surface.

A larger quake followed: M3.7 50 km WNW of Nanwalek, 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
1.7 (ml), micro
Local time
UTC
2021-04-02 06:31:49 UTC
Depth
88.3 km (54.9 mi), intermediate-depth
Epicenter
60.283° N, 152.256° 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
53

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 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214897a1u. Read Sat, Sep 26, 2026, 8:47 AM UTC.