Alaska earthquakes

M1.9 earthquake 42 km NW of Adak, Alaska

A magnitude 1.9 earthquake struck 42 km NW of Adak, Alaska on Wed, Nov 7, 2018, 6:53 PM HAST (04:53 UTC), 78 km (49 mi) below the surface.

A larger quake followed: M4.0 102 km NNE of Adak, Alaska. This one was a foreshock.

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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-11-08 04:53:44 UTC
Depth
78.3 km (48.7 mi), intermediate-depth
Epicenter
52.174° N, 177.018° 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
12

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 72 in the 30 days before it.

After

The first 60 of 88.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ec2dgw2 (also filed as ak20370109). Read Fri, Oct 2, 2026, 6:29 AM UTC.