Alaska earthquakes

M2.7 earthquake 10 km WNW of Dutch Harbor, Alaska

A magnitude 2.7 earthquake struck 10 km WNW of Dutch Harbor, Alaska on Wed, Oct 19, 2016, 5:47 PM AKDT (01:47 UTC), 114 km (71 mi) below the surface.

A larger quake followed: M3.9 Fox Islands, Aleutian Islands, Alaska. This one was a foreshock.

Dutch Harbor forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.7 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-10-20 01:47:44 UTC
Depth
113.8 km (70.7 mi), intermediate-depth
Epicenter
53.935° N, 166.677° 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.ScaleComputed byNotes
2.7ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.7ML, local (Richter)Alaska Earthquake CenterPreliminary

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 16.1 km horizontally, 8.4 km in depth
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 47 in the 30 days before it.

After

The first 60 of 66.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20007gp7 (also filed as ak14249857, ak016di8vmv4). Read Sat, Oct 3, 2026, 3:04 PM UTC.