Alaska earthquakes

M2.6 earthquake 80 km SW of False Pass, Alaska

A magnitude 2.6 earthquake struck 80 km SW of False Pass, Alaska on Sun, Sep 1, 2019, 9:20 AM AKDT (17:20 UTC), 80 km (50 mi) below the surface.

A larger quake followed: M4.2 63 km E of Akutan, 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
2.6 (ml), micro
Local time
UTC
2019-09-01 17:20:46 UTC
Depth
79.9 km (49.6 mi), intermediate-depth
Epicenter
54.431° N, 164.415° 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 11.4 km horizontally, 11.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
181°, poorly surrounded by stations
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 44 in the 60 days after this one and 28 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005gvb (also filed as ak019b7tdfox). Read Wed, Sep 30, 2026, 8:12 AM UTC.