Alaska earthquakes

M5.0 earthquake 44 km ESE of Adak, Alaska

A magnitude 5.0 earthquake struck 44 km ESE of Adak, Alaska on Mon, Nov 14, 2016, 12:12 AM HAST (10:12 UTC), 73 km (45 mi) below the surface.

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The earthquake

Magnitude: 5.0 (mb, body-wave), moderate
Magnitude from: USGS National Earthquake Information Center
Local time: Mon, Nov 14, 2016, 12:12 AM HAST
UTC: 2016-11-14 10:12:17 UTC
Depth: 72.8 km (45.2 mi), intermediate-depth
Epicenter: 51.783° N, 176.005° W
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
5.0	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.034 · 374 stations
4.9	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 6.8 km horizontally, 6.7 km in depth
Magnitude uncertainty: ±0.03
Depth from: From location
Station coverage gap: 99°
Stations used: 105

Nearby

Within 100 km, magnitude 2.0 and up: 49 in the 60 days after this one and 20 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100077mi (also filed as ak14333207, ak016enqgnhp). Read Sat, Oct 3, 2026, 6:15 PM UTC.