Alaska earthquakes

M3.4 earthquake 94 km SSE of False Pass, Alaska

A magnitude 3.4 earthquake struck 94 km SSE of False Pass, Alaska on Sat, Jul 20, 2024, 10:32 PM AKDT (06:32 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.5 70 km SE of False Pass, 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
3.4 (mb), minor
Local time
UTC
2024-07-21 06:32:44 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
54.114° N, 162.702° 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 2.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.16
Depth from
Operator assigned
Station coverage gap
170°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 87 in the 30 days before it.

After

The first 60 of 169.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000n0m0 (also filed as ak0249btuzzh). Read Tue, Sep 29, 2026, 12:35 PM UTC.