Alaska earthquakes

M3.5 earthquake 28 km N of King Cove, Alaska

A magnitude 3.5 earthquake struck 28 km N of King Cove, Alaska on Thu, Oct 27, 2016, 7:27 AM AKDT (15:27 UTC), 176 km (109 mi) below the surface.

A larger quake followed: M3.9 44 km NE of Cold Bay, Alaska. This one was a foreshock.

King Cove 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: 3.5 (ML, local (Richter)), minor
Magnitude from: USGS National Earthquake Information Center
Local time: Thu, Oct 27, 2016, 7:27 AM AKDT
UTC: 2016-10-27 15:27:20 UTC
Depth: 175.9 km (109.3 mi), intermediate-depth
Epicenter: 55.312° N, 162.297° 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
3.5	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.097 · 14 stations
3.2	ML, local (Richter)	Alaska Earthquake Center	Preliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 8.0 km horizontally, 13.9 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 140°
Stations used: 25

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast28 kmN

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 6 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100073dj (also filed as ak14291219, ak016du1usvu). Read Mon, Oct 5, 2026, 1:00 AM UTC.