Alaska earthquakes

M1.7 earthquake 50 km W of Cantwell, Alaska

A magnitude 1.7 earthquake struck 50 km W of Cantwell, Alaska on Thu, Oct 26, 2017, 8:06 PM AKDT (04:06 UTC), 111 km (69 mi) below the surface.

A larger quake followed: M3.6 65 km N of Petersville, 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
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-10-27 04:06:09 UTC
Depth
110.7 km (68.8 mi), intermediate-depth
Epicenter
63.477° N, 149.946° 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
56

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 120 in the 30 days before it.

After

The first 60 of 193.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017ds7n5mi (also filed as ak17101556). Read Sat, Oct 3, 2026, 5:21 PM UTC.