Alaska earthquakes

M1.6 earthquake 60 km SE of Cantwell, Alaska

A magnitude 1.6 earthquake struck 60 km SE of Cantwell, Alaska on Thu, Sep 27, 2018, 8:40 PM AKDT (04:40 UTC), 58 km (36 mi) below the surface.

A larger quake followed: M3.1 66 km SE of Cantwell, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Thu, Sep 27, 2018, 8:40 PM AKDT
UTC: 2018-09-28 04:40:17 UTC
Depth: 57.7 km (35.9 mi), shallow
Epicenter: 62.946° N, 148.263° 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.

Stations used: 43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 45 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018cg99e83 (also filed as ak20266019). Read Thu, Oct 1, 2026, 11:53 PM UTC.