Alaska earthquakes

M1.7 earthquake 50 km S of Adak, Alaska

A magnitude 1.7 earthquake struck 50 km S of Adak, Alaska on Wed, May 17, 2017, 2:00 PM HADT (23:00 UTC), 25 km (15 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
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-05-17 23:00:22 UTC
Depth
24.5 km (15.2 mi), shallow
Epicenter
51.425° N, 176.539° 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
13

Nearby

Within 100 km, magnitude 1.5 and up: 145 in the 60 days after this one and 106 in the 30 days before it.

After

The first 60 of 145.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0176aybkav. Read Sat, Oct 3, 2026, 1:43 AM UTC.