Alaska earthquakes

M3.7 earthquake 156 km WSW of Nikolski, Alaska

A magnitude 3.7 earthquake struck 156 km WSW of Nikolski, Alaska on Sun, Jun 4, 2017, 12:17 PM HADT (21:17 UTC), 52 km (32 mi) below the surface.

A larger quake followed: M4.7 125 km WSW of Nikolski, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.7 (ML, local (Richter)), minor
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-06-04 21:17:29 UTC
Depth
52.1 km (32.4 mi), shallow
Epicenter
52.201° N, 170.821° 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
27

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 21 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01774owloj. Read Fri, Oct 2, 2026, 1:06 PM UTC.