Alaska earthquakes

M1.6 earthquake 20 km NE of Moose Pass, Alaska

A magnitude 1.6 earthquake struck 20 km NE of Moose Pass, Alaska on Sat, Sep 19, 2020, 5:30 AM AKDT (13:30 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M4.1 18 km ESE of Elmendorf Air Force Base, Alaska. This one was a foreshock.

Girdwood 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
2020-09-19 13:30:01 UTC
Depth
0.8 km (0.5 mi), shallow
Epicenter
60.613° N, 149.095° 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
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 101 in the 60 days after this one and 38 in the 30 days before it.

After

The first 60 of 101.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020c369ceo. Read Fri, Oct 2, 2026, 10:08 AM UTC.