Alaska earthquakes

M3.3 earthquake 89 km SW of Atka, Alaska

A magnitude 3.3 earthquake struck 89 km SW of Atka, Alaska on Mon, May 29, 2017, 12:40 AM HADT (09:40 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M4.7 87 km E of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.3 (ML, local (Richter)), minor
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-05-29 09:40:54 UTC
Depth
48.0 km (29.8 mi), shallow
Epicenter
51.727° N, 175.266° 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
15

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 34 in the 30 days before it.

After

The first 60 of 96.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0176ukoauq. Read Fri, Oct 2, 2026, 3:08 PM UTC.