Alaska earthquakes

M1.5 earthquake 86 km ESE of Adak, Alaska

A magnitude 1.5 earthquake struck 86 km ESE of Adak, Alaska on Wed, Apr 26, 2017, 1:51 PM HADT (22:51 UTC), 52 km (32 mi) below the surface.

A larger quake followed: M5.3 88 km WSW of Atka, 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: Wed, Apr 26, 2017, 1:51 PM HADT
UTC: 2017-04-26 22:51:28 UTC
Depth: 51.6 km (32.1 mi), shallow
Epicenter: 51.639° N, 175.446° 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: 10

Nearby

Within 100 km, magnitude 1.5 and up: 82 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of 82.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0175c7qs9w (also filed as ak15928593). Read Sat, Oct 3, 2026, 11:40 PM UTC.