Alaska earthquakes

M2.3 earthquake 18 km NNW of Karluk, Alaska

A magnitude 2.3 earthquake struck 18 km NNW of Karluk, Alaska on Tue, Jun 27, 2017, 8:46 AM AKDT (16:46 UTC), 70 km (44 mi) below the surface.

A larger quake followed: M3.4 74 km W of Karluk, 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: 2.3 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Jun 27, 2017, 8:46 AM AKDT
UTC: 2017-06-27 16:46:40 UTC
Depth: 70.3 km (43.7 mi), intermediate-depth
Epicenter: 57.712° N, 154.609° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.3	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.3	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

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: 71

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 62 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 ak01786ngnnh (also filed as ak16239857, us2000a0pg). Read Mon, Oct 5, 2026, 11:43 AM UTC.