Alaska earthquakes

M2.4 earthquake 71 km SSE of Chignik, Alaska

A magnitude 2.4 earthquake struck 71 km SSE of Chignik, Alaska on Sun, May 16, 2021, 1:58 PM AKDT (21:58 UTC), 8 km (5 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.8 123 km SE of Perryville, 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
2.4 (ml), micro
Local time
UTC
2021-05-16 21:58:52 UTC
Depth
8.1 km (5.0 mi), shallow
Epicenter
55.740° N, 157.811° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

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: 19 in the 60 days after this one and 8 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 ak021699xy81. Read Sun, Sep 27, 2026, 6:54 PM UTC.