Alaska earthquakes

M1.6 earthquake 67 km W of Nanwalek, Alaska

A magnitude 1.6 earthquake struck 67 km W of Nanwalek, Alaska on Fri, Oct 12, 2018, 7:49 AM AKDT (15:49 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M5.6 50 km ENE of Pedro Bay, 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: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Fri, Oct 12, 2018, 7:49 AM AKDT
UTC: 2018-10-12 15:49:17 UTC
Depth: 14.4 km (8.9 mi), shallow
Epicenter: 59.255° N, 153.096° 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
1.37	ML, local (Richter)	AV	Final · ±0.316 · 8 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: 23

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 200 in the 60 days after this one and 148 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018d3ldyae (also filed as ak20279315, av70806734). Read Sat, Oct 3, 2026, 8:48 AM UTC.