Alaska earthquakes

M1.6 earthquake 26 km NNW of Susitna, Alaska

A magnitude 1.6 earthquake struck 26 km NNW of Susitna, Alaska on Tue, Oct 17, 2017, 2:49 AM AKDT (10:49 UTC), 54 km (33 mi) below the surface.

A larger quake followed: M3.9 1 km ENE of Knik, 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
UTC
2017-10-17 10:49:11 UTC
Depth
53.8 km (33.4 mi), shallow
Epicenter
61.761° N, 150.738° 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
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and 128 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017dbs3i9a (also filed as ak17063162). Read Sat, Oct 3, 2026, 8:05 AM UTC.