Alaska earthquakes

M1.9 earthquake 54 km SSW of Atka, Alaska

A magnitude 1.9 earthquake struck 54 km SSW of Atka, Alaska on Mon, May 9, 2016, 8:49 AM HADT (17:49 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.1 101 km ESE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 1.9 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, May 9, 2016, 8:49 AM HADT
UTC: 2016-05-09 17:49:54 UTC
Depth: 15.1 km (9.4 mi), shallow
Epicenter: 51.752° N, 174.548° 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: 12

Nearby

Within 100 km, magnitude 1.5 and up: 112 in the 60 days after this one and 88 in the 30 days before it.

After

The first 60 of 112.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0165zaa3r8 (also filed as ak13595788). Read Sun, Oct 4, 2026, 11:37 PM UTC.