Alaska earthquakes

M2.8 earthquake 233 km ESE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 233 km ESE of Chiniak, Alaska on Mon, Sep 24, 2018, 10:49 PM AKDT (06:49 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.9 249 km ESE 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: 2.8 (ml), micro
Local time: Mon, Sep 24, 2018, 10:49 PM AKDT
UTC: 2018-09-25 06:49:53 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.966° N, 148.604° 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: 23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 77 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018cbbw87i (also filed as ak20262786, aacse018cbbw87i, us1000h763). Read Tue, Sep 22, 2026, 5:28 AM UTC.