Alaska earthquakes

M1.8 earthquake 147 km WSW of Adak, Alaska

A magnitude 1.8 earthquake struck 147 km WSW of Adak, Alaska on Tue, Oct 30, 2018, 5:07 AM HADT (14:07 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M4.7 128 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: 1.8 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Oct 30, 2018, 5:07 AM HADT
UTC: 2018-10-30 14:07:27 UTC
Depth: 22.2 km (13.8 mi), shallow
Epicenter: 51.315° N, 178.557° 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: 19

Nearby

Within 100 km, magnitude 1.5 and up: 150 in the 60 days after this one and 107 in the 30 days before it.

After

The first 60 of 150.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018dxc7s8d (also filed as ak20304875). Read Fri, Oct 2, 2026, 10:32 AM UTC.