Alaska earthquakes

M2.3 earthquake 100 km SSW of Adak, Alaska

A magnitude 2.3 earthquake struck 100 km SSW of Adak, Alaska on Tue, May 9, 2017, 3:24 PM HADT (00:24 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.1 109 km S of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-05-10 00:24:50 UTC
Depth
17.5 km (10.9 mi), shallow
Epicenter
50.995° N, 176.972° 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
14

Nearby

Within 100 km, magnitude 1.5 and up: 132 in the 60 days after this one and 90 in the 30 days before it.

After

The first 60 of 132.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0175z00dae (also filed as ak16016275). Read Fri, Oct 2, 2026, 2:26 PM UTC.