Alaska earthquakes

M4.0 earthquake 113 km S of Sand Point, Alaska

A magnitude 4.0 earthquake struck 113 km S of Sand Point, Alaska on Thu, Nov 16, 2023, 7:11 PM AKST (04:11 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M4.3 79 km ESE of King Cove, Alaska. This one was a foreshock.

Sand Point forecastMore in Alaska

Map

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

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The earthquake

Magnitude
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-11-17 04:11:02 UTC
Depth
26.9 km (16.7 mi), shallow
Epicenter
54.318° N, 160.591° 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.ScaleComputed byNotes
4.0mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.196 · 7 stations
3.5ML, local (Richter)Alaska Earthquake CenterPreliminary

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 4.1 km horizontally, 4.2 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
156°
Stations used
50

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 78 in the 30 days before it.

After

The first 60 of 142.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lp0z (also filed as ak023eqxyi52). Read Thu, Oct 1, 2026, 10:41 AM UTC.