Alaska earthquakes

M1.5 earthquake 94 km WSW of Adak, Alaska

A magnitude 1.5 earthquake struck 94 km WSW of Adak, Alaska on Tue, May 3, 2016, 11:16 PM HADT (08:16 UTC), 31 km (19 mi) below the surface.

A larger quake followed: M5.1 39 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 1.5 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, May 3, 2016, 11:16 PM HADT
UTC: 2016-05-04 08:16:33 UTC
Depth: 31.2 km (19.4 mi), shallow
Epicenter: 51.505° N, 177.860° 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: 17

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 106 in the 30 days before it.

After

The first 60 of 181.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0165qv1cmp (also filed as ak13513426). Read Sun, Oct 4, 2026, 12:37 PM UTC.