Alaska earthquakes

M3.5 earthquake 107 km SSW of False Pass, Alaska

A magnitude 3.5 earthquake struck 107 km SSW of False Pass, Alaska on Thu, Aug 6, 2026, 1:46 PM AKDT (21:46 UTC), 31 km (19 mi) below the surface.

A larger quake followed: M4.5 89 km S 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
3.5 (mb), minor
Local time
UTC
2026-08-06 21:46:15 UTC
Depth
31.0 km (19.3 mi), shallow
Epicenter
53.955° N, 164.000° W
Region
Alaska
Strongest shaking
II, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
II, weak shaking
Peak ground acceleration
0.1% of gravity
Peak ground velocity
0.1 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

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 5.2 km horizontally, 9.1 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
158°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 126 since this one and 84 in the 30 days before it.

After

The first 60 of 126.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tiqn (also filed as aka2026pmmhtw). Read Tue, Sep 29, 2026, 10:12 AM UTC.