Alaska earthquakes

M1.9 earthquake 52 km WSW of Karluk, Alaska

A magnitude 1.9 earthquake struck 52 km WSW of Karluk, Alaska on Fri, Dec 21, 2018, 10:55 AM AKST (19:55 UTC), 60 km (37 mi) below the surface.

A larger quake followed: M3.7 60 km ENE of Ugashik, Alaska. This one was a foreshock.

Womens Bay forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 1.9 (ml), micro
Local time: Fri, Dec 21, 2018, 10:55 AM AKST
UTC: 2018-12-21 19:55:11 UTC
Depth: 59.8 km (37.2 mi), shallow
Epicenter: 57.316° N, 155.195° 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: 16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 90 in the 60 days after this one and 47 in the 30 days before it.

After

The first 60 of 90.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018gbff938 (also filed as aacse018gbff938). Read Tue, Sep 22, 2026, 4:04 PM UTC.