Alaska earthquakes

M1.9 earthquake 83 km WSW of Karluk, Alaska

A magnitude 1.9 earthquake struck 83 km WSW of Karluk, Alaska on Sat, Aug 20, 2016, 3:12 AM AKDT (11:12 UTC), 72 km (45 mi) below the surface.

A larger quake followed: M3.7 66 km WSW of Akhiok, Alaska. This one was a foreshock.

Naknek forecast More in Alaska

Map

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

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The earthquake

Magnitude: 1.9 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sat, Aug 20, 2016, 3:12 AM AKDT
UTC: 2016-08-20 11:12:34 UTC
Depth: 71.7 km (44.6 mi), intermediate-depth
Epicenter: 57.323° N, 155.766° 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: 28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 46 in the 30 days before it.

After

The first 60 of 88.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016apiu9yi (also filed as ak13890987). Read Sun, Oct 4, 2026, 12:34 PM UTC.