Alaska earthquakes

M2.4 earthquake 220 km SE of Chiniak, Alaska

A magnitude 2.4 earthquake struck 220 km SE of Chiniak, Alaska on Sat, Sep 22, 2018, 6:35 PM AKDT (02:35 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.0 225 km SE of Chiniak, Alaska. This one was a foreshock.

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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
2.4 (ml), micro
Local time
UTC
2018-09-23 02:35:49 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
56.114° N, 149.921° 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
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aacse018c7ycsgt. Read Tue, Sep 22, 2026, 7:12 AM UTC.