Alaska earthquakes

M2.7 earthquake 48 km S of False Pass, Alaska

A magnitude 2.7 earthquake struck 48 km S of False Pass, Alaska on Mon, Sep 11, 2023, 5:47 PM AKDT (01:47 UTC), 79 km (49 mi) below the surface.

A larger quake followed: M4.9 108 km SSW of False Pass, Alaska. This one was a foreshock.

King Cove forecastMore 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
2.7 (ml), micro
Local time
UTC
2023-09-12 01:47:57 UTC
Depth
78.8 km (49.0 mi), intermediate-depth
Epicenter
54.420° N, 163.295° 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.

Location uncertainty
About 10.0 km horizontally, 18.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
195°, poorly surrounded by stations
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 94 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 94.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000laxn (also filed as ak023bpqx4nm). Read Mon, Sep 28, 2026, 10:18 AM UTC.