Alaska earthquakes

M2.2 earthquake 136 km SW of Adak, Alaska

A magnitude 2.2 earthquake struck 136 km SW of Adak, Alaska on Tue, Sep 17, 2019, 3:58 PM HADT (00:58 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.5 150 km WSW 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
2019-09-18 00:58:41 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
51.132° N, 178.197° 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
30

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 165 in the 30 days before it.

After

The first 60 of 191.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019bznm3lf. Read Fri, Oct 2, 2026, 10:04 AM UTC.