Alaska earthquakes

M3.0 earthquake 93 km WNW of Karluk, Alaska

A magnitude 3.0 earthquake struck 93 km WNW of Karluk, Alaska on Sun, Jul 4, 2021, 2:50 PM AKDT (22:50 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.5 50 km NE of Ugashik, 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: 3.0 (ml), minor
Local time: Sun, Jul 4, 2021, 2:50 PM AKDT
UTC: 2021-07-04 22:50:46 UTC
Depth: 8.5 km (5.3 mi), shallow
Epicenter: 57.916° N, 155.881° 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: 46

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 130 in the 60 days after this one and 32 in the 30 days before it.

After

The first 60 of 130.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0218ibtk1s (also filed as us7000eir3). Read Wed, Sep 23, 2026, 5:27 AM UTC.