Alaska earthquakes

M2.0 earthquake 10 km ENE of Adak, Alaska

A magnitude 2.0 earthquake struck 10 km ENE of Adak, Alaska on Tue, Sep 25, 2018, 1:20 AM HADT (10:20 UTC), 68 km (43 mi) below the surface.

A larger quake followed: M4.1 80 km SW of Adak, 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: 2.0 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Sep 25, 2018, 1:20 AM HADT
UTC: 2018-09-25 10:20:17 UTC
Depth: 68.4 km (42.5 mi), shallow
Epicenter: 51.922° N, 176.504° 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: 15

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 97 in the 30 days before it.

After

The first 60 of 142.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018cbe3o2i (also filed as ak20262843). Read Thu, Oct 1, 2026, 11:42 PM UTC.