Alaska earthquakes

M0.4 earthquake 85 km NNW of Karluk, Alaska

A magnitude 0.4 earthquake struck 85 km NNW of Karluk, Alaska on Fri, Sep 18, 2026, 3:48 PM AKDT (23:48 UTC), 0 km (0 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M1.7 87 km SSE of Kokhanok, Alaska. This one was a foreshock.

Naknek forecast More in Alaska

Map

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

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The earthquake

Magnitude: 0.4 (ml), micro
Local time: Fri, Sep 18, 2026, 3:48 PM AKDT
UTC: 2026-09-18 23:48:19 UTC
Depth: 0.3 km (0.2 mi), shallow
Epicenter: 58.235° N, 155.180° W
Region: Alaska
Tsunami flag: No
Status: Automatic solution, may be revised

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

An automatic solution; a seismologist may revise it.

Location uncertainty: About 16.5 km horizontally, 29.0 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 208°, poorly surrounded by stations
Stations used: 6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 since this one and 87 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026sobife (also filed as av94438251). Read Tue, Sep 22, 2026, 9:46 AM UTC.