Alaska earthquakes

M1.6 earthquake 8 km SW of Knik, Alaska

A magnitude 1.6 earthquake struck 8 km SW of Knik, Alaska on Wed, Oct 18, 2017, 7:15 AM AKDT (15:15 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.4 9 km NNE of Sterling, Alaska. This one was a foreshock.

Point MacKenzie forecastMore in Alaska

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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
2017-10-18 15:15:34 UTC
Depth
26.4 km (16.4 mi), shallow
Epicenter
61.392° N, 149.823° 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
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 110 in the 30 days before it.

After

The first 60 of 199.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017ddies7a (also filed as ak17076166). Read Sat, Oct 3, 2026, 11:38 PM UTC.