Alaska earthquakes

M1.7 earthquake 59 km NNW of Karluk, Alaska

A magnitude 1.7 earthquake struck 59 km NNW of Karluk, Alaska on Sun, Sep 20, 2026, 7:27 PM AKDT (03:27 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M3.7 37 km SW of Karluk, 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
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-09-21 03:27:15 UTC
Depth
85.2 km (52.9 mi), intermediate-depth
Epicenter
58.018° N, 154.986° 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. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.0 km horizontally, 2.8 km in depth
Magnitude uncertainty
±0.40
Station coverage gap
95°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 45 since this one and 101 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026ssarak. Read Thu, Oct 1, 2026, 9:59 AM UTC.