Alaska earthquakes

M1.5 earthquake 44 km S of Adak, Alaska

A magnitude 1.5 earthquake struck 44 km S of Adak, Alaska on Tue, Oct 4, 2016, 10:07 AM HADT (19:07 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M5.0 44 km ESE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-10-04 19:07:01 UTC
Depth
43.2 km (26.8 mi), shallow
Epicenter
51.476° N, 176.544° 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
12

Nearby

Within 100 km, magnitude 1.5 and up: 85 in the 60 days after this one and 60 in the 30 days before it.

After

The first 60 of 85.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016cs2r7xx (also filed as ak14189850). Read Sat, Oct 3, 2026, 2:13 PM UTC.