Alaska earthquakes

M2.9 earthquake 126 km S of Unalaska, Alaska

A magnitude 2.9 earthquake struck 126 km S of Unalaska, Alaska on Mon, Aug 19, 2024, 11:31 AM AKDT (19:31 UTC), 10 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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Map

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

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The earthquake

Magnitude
2.9 (ml), micro
Local time
UTC
2024-08-19 19:31:25 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.740° N, 166.680° 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 2.7 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
214°, poorly surrounded by stations
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 68 in the 30 days before it.

After

The first 60 of 164.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ngm2 (also filed as ak024ao06guw). Read Tue, Sep 29, 2026, 3:56 PM UTC.