Alaska earthquakes

M1.9 earthquake 214 km W of Adak, Alaska

A magnitude 1.9 earthquake struck 214 km W of Adak, Alaska on Tue, Aug 14, 2018, 1:52 PM HADT (22:52 UTC), 106 km (66 mi) below the surface.

A larger quake followed: M4.8 126 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 1.9 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Aug 14, 2018, 1:52 PM HADT
UTC: 2018-08-14 22:52:38 UTC
Depth: 106.2 km (66.0 mi), intermediate-depth
Epicenter: 51.798° N, 179.749° 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: 14

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 89 in the 30 days before it.

After

The first 60 of 178.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ae4v75e (also filed as ak20239726). Read Thu, Oct 1, 2026, 11:22 PM UTC.