Alaska earthquakes

M2.2 earthquake 242 km W of Adak, Alaska

A magnitude 2.2 earthquake struck 242 km W of Adak, Alaska on Wed, Sep 28, 2016, 4:26 PM GMT+12 (04:26 UTC), 119 km (74 mi) below the surface.

A larger quake followed: M5.2 229 km W of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-09-28 04:26:27 UTC
Depth
118.5 km (73.6 mi), intermediate-depth
Epicenter
51.820° N, 179.854° E
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: 56 in the 60 days after this one and 55 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016chwpria (also filed as ak14162064). Read Sat, Oct 3, 2026, 4:04 PM UTC.