Alaska earthquakes

M1.8 earthquake 113 km S of Unalaska, Alaska

A magnitude 1.8 earthquake struck 113 km S of Unalaska, Alaska on Wed, Sep 4, 2024, 1:21 AM AKDT (09:21 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M5.4 85 km SSW of Unalaska, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2024-09-04 09:21:47 UTC
Depth
9.2 km (5.7 mi), shallow
Epicenter
52.866° N, 166.755° 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
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 81 in the 30 days before it.

After

The first 60 of 192.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak024bearkkm. Read Tue, Sep 29, 2026, 10:56 AM UTC.