Alaska earthquakes

M1.6 earthquake 98 km WNW of Aleneva, Alaska

A magnitude 1.6 earthquake struck 98 km WNW of Aleneva, Alaska on Tue, Dec 18, 2018, 8:41 PM AKST (05:41 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M5.2 87 km ESE of King Salmon, Alaska. This one was a foreshock.

Kodiak Station 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: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Dec 18, 2018, 8:41 PM AKST
UTC: 2018-12-19 05:41:43 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 58.477° N, 154.389° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
1.6	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
1.6	ML, local (Richter)	AACSE	Preliminary
1.09	ML, local (Richter)	AV	Final · ±0.18 · 10 stations

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: 21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 134 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 134.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018g7vxk31 (also filed as av61866081, aacse018g7vxk31). Read Sun, Oct 4, 2026, 6:23 PM UTC.