Alaska earthquakes

M1.7 earthquake 26 km NNW of Nikiski, Alaska

A magnitude 1.7 earthquake struck 26 km NNW of Nikiski, Alaska on Wed, Apr 14, 2021, 4:47 AM AKDT (12:47 UTC), 66 km (41 mi) below the surface.

A larger quake followed: M4.8 Southern Alaska. This one was a foreshock.

Nikiski 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
2021-04-14 12:47:04 UTC
Depth
66.4 km (41.3 mi), shallow
Epicenter
60.892° N, 151.550° 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 199 in the 60 days after this one and 166 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214s7bdja. Read Sat, Sep 26, 2026, 3:32 PM UTC.