Alaska earthquakes

M1.6 earthquake 56 km SSW of Adak, Alaska

A magnitude 1.6 earthquake struck 56 km SSW of Adak, Alaska on Thu, Nov 2, 2017, 8:19 PM HADT (05:19 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M4.4 128 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-11-03 05:19:57 UTC
Depth
47.5 km (29.5 mi), shallow
Epicenter
51.450° N, 177.084° 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
13

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 96 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017e3t2wp2 (also filed as ak17169618). Read Fri, Oct 2, 2026, 2:23 AM UTC.