Alaska earthquakes

M3.0 earthquake 3 km S of False Pass, Alaska

A magnitude 3.0 earthquake struck 3 km S of False Pass, Alaska on Thu, Oct 18, 2018, 10:23 AM AKDT (18:23 UTC), 112 km (70 mi) below the surface.

A larger quake followed: M4.5 84 km S 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
3.0 (ml), minor
Local time
UTC
2018-10-18 18:23:51 UTC
Depth
112.4 km (69.9 mi), intermediate-depth
Epicenter
54.824° N, 163.411° 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 8.4 km horizontally, 5.0 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
152°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 18 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 us1000he2v (also filed as ak20286779, ak018ddk8u0v). Read Wed, Sep 30, 2026, 6:13 AM UTC.