Alaska earthquakes

M3.7 earthquake 153 km S of False Pass, Alaska

A magnitude 3.7 earthquake struck 153 km S of False Pass, Alaska on Thu, Mar 21, 2024, 11:12 PM AKDT (07:12 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.2 187 km SE of Akutan, Alaska. This one was a foreshock.

Akutan 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: 3.7 (mb), minor
Local time: Thu, Mar 21, 2024, 11:12 PM AKDT
UTC: 2024-03-22 07:12:47 UTC
Depth: 13.1 km (8.1 mi), shallow
Epicenter: 53.488° N, 163.685° 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 5.5 km horizontally, 7.4 km in depth
Magnitude uncertainty: ±0.16
Depth from: From location
Station coverage gap: 170°
Stations used: 41

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast155 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 51 in the 30 days before it.

After

The first 60 of 108.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000m89z (also filed as ak0243rqb61v). Read Tue, Sep 29, 2026, 8:52 AM UTC.