Alaska earthquakes

M2.4 earthquake 43 km NNW of Karluk, Alaska

A magnitude 2.4 earthquake struck 43 km NNW of Karluk, Alaska on Sun, Feb 21, 2021, 10:36 AM AKST (19:36 UTC), 77 km (48 mi) below the surface.

A larger quake followed: M3.0 47 km SSW of Karluk, Alaska. This one was a foreshock.

Womens Bay forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude: 2.4 (ml), micro
Local time: Sun, Feb 21, 2021, 10:36 AM AKST
UTC: 2021-02-21 19:36:27 UTC
Depth: 76.5 km (47.5 mi), intermediate-depth
Epicenter: 57.905° N, 154.819° 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: 73

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 136 in the 60 days after this one and 63 in the 30 days before it.

After

The first 60 of 136.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212ebh20u (also filed as us6000djxv). Read Thu, Sep 24, 2026, 5:40 AM UTC.