Alaska earthquakes

M1.5 earthquake 134 km W of Adak, Alaska

A magnitude 1.5 earthquake struck 134 km W of Adak, Alaska on Sat, Oct 6, 2018, 11:54 AM HADT (20:54 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M4.8 206 km WNW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-10-06 20:54:45 UTC
Depth
17.1 km (10.6 mi), shallow
Epicenter
51.789° N, 178.575° 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
11

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 154 in the 30 days before it.

After

The first 60 of 164.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ctr6622 (also filed as ak20272211). Read Fri, Oct 2, 2026, 9:15 AM UTC.