Alaska earthquakes

M4.6 earthquake 298 km WSW of Adak, Alaska

A magnitude 4.6 earthquake struck 298 km WSW of Adak, Alaska on Mon, Jun 5, 2017, 4:00 PM GMT+12 (04:00 UTC), 10 km (6 mi) below the surface.

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The earthquake

Magnitude: 4.6 (mb, body-wave), light
Magnitude from: USGS National Earthquake Information Center
Local time: Mon, Jun 5, 2017, 4:00 PM GMT+12
UTC: 2017-06-05 04:00:06 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 50.843° N, 179.402° E
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
4.6	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.038 · 203 stations
4.6	mb, body-wave	Alaska Earthquake Center	Preliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.6 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 186°, poorly surrounded by stations
Stations used: 139

Nearby

Within 100 km, magnitude 1.6 and up: 79 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 79.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20009kqc (also filed as ak16174152, ak0177627w9i). Read Fri, Oct 2, 2026, 9:33 PM UTC.