Alaska earthquakes

M4.0 earthquake 122 km SE of Chignik, Alaska

A magnitude 4.0 earthquake struck 122 km SE of Chignik, Alaska on Mon, Apr 1, 2024, 11:29 AM AKDT (19:29 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.6 159 km SE of Chignik, Alaska. This one was a foreshock.

Sand Point forecast More 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 (ml), light
Local time: Mon, Apr 1, 2024, 11:29 AM AKDT
UTC: 2024-04-01 19:29:43 UTC
Depth: 15.2 km (9.4 mi), shallow
Epicenter: 55.433° N, 157.193° 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: 59

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast209 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 68 in the 60 days after this one and 19 in the 30 days before it.

After

The first 60 of 68.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02448gxh1d (also filed as us7000m98i). Read Wed, Sep 30, 2026, 11:41 PM UTC.