Alaska earthquakes

M2.0 earthquake 168 km WSW of Adak, Alaska

A magnitude 2.0 earthquake struck 168 km WSW of Adak, Alaska on Sun, Jul 17, 2016, 8:26 PM HADT (05:26 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.4 186 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.0 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-07-18 05:26:09 UTC
Depth
33.3 km (20.7 mi), shallow
Epicenter
51.116° N, 178.732° 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
19

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 106 in the 30 days before it.

After

The first 60 of 139.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01696um66c (also filed as ak13765417). Read Sun, Oct 4, 2026, 9:41 AM UTC.