Alaska earthquakes

M1.6 earthquake 83 km NW of Karluk, Alaska

A magnitude 1.6 earthquake struck 83 km NW of Karluk, Alaska on Tue, Jun 13, 2023, 2:37 AM AKDT (10:37 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M5.0 59 km N of Karluk, 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: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Jun 13, 2023, 2:37 AM AKDT
UTC: 2023-06-13 10:37:17 UTC
Depth: 1.9 km (1.2 mi), shallow
Epicenter: 58.190° N, 155.240° W
Region: Alaska
Felt reports: 1
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
1.6	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
1.06	ML, local (Richter)	AV	Final · ±0.327414907266659 · 12 stations

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 115 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0237jeb7u2 (also filed as av91924516). Read Sat, Oct 3, 2026, 11:20 AM UTC.