Alaska earthquakes

M2.3 earthquake 90 km WSW of Adak, Alaska

A magnitude 2.3 earthquake struck 90 km WSW of Adak, Alaska on Fri, Nov 2, 2018, 12:45 AM HADT (09:45 UTC), 34 km (21 mi) below the surface.

A larger quake followed: M4.7 128 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.3 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Fri, Nov 2, 2018, 12:45 AM HADT
UTC: 2018-11-02 09:45:56 UTC
Depth: 34.4 km (21.4 mi), shallow
Epicenter: 51.488° N, 177.792° 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: 21

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 135 in the 30 days before it.

After

The first 60 of 179.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018e282v3r (also filed as ak20312232). Read Fri, Oct 2, 2026, 12:47 AM UTC.