Alaska earthquakes

M1.7 earthquake 21 km N of Karluk, Alaska

A magnitude 1.7 earthquake struck 21 km N of Karluk, Alaska on Thu, Apr 5, 2018, 6:33 AM AKDT (14:33 UTC), 57 km (35 mi) below the surface.

A larger quake followed: M5.3 69 km W of Karluk, 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: 1.7 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Thu, Apr 5, 2018, 6:33 AM AKDT
UTC: 2018-04-05 14:33:18 UTC
Depth: 56.5 km (35.1 mi), shallow
Epicenter: 57.757° N, 154.520° 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: 13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 132 in the 60 days after this one and 52 in the 30 days before it.

After

The first 60 of 132.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0184dcl5f4 (also filed as ak19173848). Read Fri, Oct 2, 2026, 11:42 AM UTC.