Alaska earthquakes

M1.8 earthquake 24 km SSE of False Pass, Alaska

A magnitude 1.8 earthquake struck 24 km SSE of False Pass, Alaska on Sun, Apr 18, 2021, 8:43 PM AKDT (04:43 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M2.1 29 km SE 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
1.8 (ml), micro
Local time
UTC
2021-04-19 04:43:21 UTC
Depth
23.6 km (14.7 mi), shallow
Epicenter
54.641° N, 163.337° 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.

Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 49 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 ak02150c7tjs (also filed as av91224126). Read Wed, Sep 23, 2026, 2:34 PM UTC.