Alaska earthquakes

M3.0 earthquake 259 km ESE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 259 km ESE of Chiniak, Alaska on Sat, Dec 29, 2018, 9:30 PM AKST (06:30 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M4.6 279 km SE of Chiniak, 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: 3.0 (ml), minor
Local time: Sat, Dec 29, 2018, 9:30 PM AKST
UTC: 2018-12-30 06:30:29 UTC
Depth: 11.6 km (7.2 mi), shallow
Epicenter: 56.406° N, 148.622° 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: 43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 161 in the 60 days after this one and 83 in the 30 days before it.

After

The first 60 of 161.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018gq3df49 (also filed as aacse018gq3df49). Read Sun, Sep 27, 2026, 8:08 AM UTC.