Alaska earthquakes

M1.7 earthquake 31 km SSE of Chickaloon, Alaska

A magnitude 1.7 earthquake struck 31 km SSE of Chickaloon, Alaska on Wed, Apr 21, 2021, 2:29 PM AKDT (22:29 UTC), 26 km (16 mi) below the surface.

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

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Map

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
2021-04-21 22:29:59 UTC
Depth
25.8 km (16.0 mi), shallow
Epicenter
61.547° N, 148.191° 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
69

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 184 in the 60 days after this one and 79 in the 30 days before it.

After

The first 60 of 184.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02153xxefm. Read Sat, Sep 26, 2026, 4:44 PM UTC.