Alaska earthquakes

M1.7 earthquake 13 km ENE of Susitna, Alaska

A magnitude 1.7 earthquake struck 13 km ENE of Susitna, Alaska on Wed, Nov 21, 2018, 3:54 AM AKST (12:54 UTC), 53 km (33 mi) below the surface.

A larger quake followed: M7.1 1 km SE of Point MacKenzie, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.7 (ml), micro
Local time
UTC
2018-11-21 12:54:35 UTC
Depth
52.9 km (32.9 mi), shallow
Epicenter
61.610° N, 150.293° 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
62

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 199 in the 60 days after this one and 142 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018exp4n5d (also filed as ak20385812). Read Tue, Sep 29, 2026, 6:08 PM UTC.