Alaska earthquakes

M1.8 earthquake 83 km NW of Karluk, Alaska

A magnitude 1.8 earthquake struck 83 km NW of Karluk, Alaska on Sun, Jul 18, 2021, 6:36 AM AKDT (14:36 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M2.6 96 km NW of Aleneva, 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: 1.8 (ml), micro
Local time: Sun, Jul 18, 2021, 6:36 AM AKDT
UTC: 2021-07-18 14:36:29 UTC
Depth: 8.5 km (5.3 mi), shallow
Epicenter: 58.191° N, 155.239° 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: 35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 94 in the 60 days after this one and 43 in the 30 days before it.

After

The first 60 of 94.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02195chwsg (also filed as av91034773). Read Wed, Sep 23, 2026, 5:41 AM UTC.