Alaska earthquakes

M1.6 earthquake 33 km SSW of Cooper Landing, Alaska

A magnitude 1.6 earthquake struck 33 km SSW of Cooper Landing, Alaska on Tue, Mar 27, 2018, 4:52 AM AKDT (12:52 UTC), 31 km (19 mi) below the surface.

A larger quake followed: M3.0 7 km S of Happy Valley, 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
2018-03-27 12:52:59 UTC
Depth
30.9 km (19.2 mi), shallow
Epicenter
60.223° N, 150.103° 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
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 98 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 98.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0183yfobj6 (also filed as ak18790211). Read Sat, Oct 3, 2026, 1:08 AM UTC.