Alaska earthquakes

M1.6 earthquake 43 km NW of Ninilchik, Alaska

A magnitude 1.6 earthquake struck 43 km NW of Ninilchik, Alaska on Mon, Dec 31, 2018, 1:16 PM AKST (22:16 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M4.4 21 km SE of Kasilof, Alaska. This one was a foreshock.

Ninilchik forecast More in Alaska

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The earthquake

Magnitude: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, Dec 31, 2018, 1:16 PM AKST
UTC: 2018-12-31 22:16:04 UTC
Depth: 84.9 km (52.8 mi), intermediate-depth
Epicenter: 60.280° N, 152.308° 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: 34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 159 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018gs0cndz (also filed as ak20616880). Read Sat, Oct 3, 2026, 12:49 PM UTC.