Alaska earthquakes

M3.0 earthquake 195 km ESE of Chignik, Alaska

A magnitude 3.0 earthquake struck 195 km ESE of Chignik, Alaska on Fri, Jul 30, 2021, 2:20 AM AKDT (10:20 UTC), 36 km (22 mi) below the surface.

A larger quake followed: M5.6 181 km SE of Chignik, Alaska. This one was a foreshock.

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 3.0 (ml), minor
Local time: Fri, Jul 30, 2021, 2:20 AM AKDT
UTC: 2021-07-30 10:20:50 UTC
Depth: 35.7 km (22.2 mi), shallow
Epicenter: 55.381° N, 155.733° 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: 39

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 173 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219p4gyyc (also filed as us6000f0kn). Read Sun, Sep 27, 2026, 8:06 PM UTC.