Alaska earthquakes

M3.0 earthquake 162 km SSE of Akutan, Alaska

A magnitude 3.0 earthquake struck 162 km SSE of Akutan, Alaska on Thu, Mar 22, 2018, 9:16 PM AKDT (05:16 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.5 96 km SSE of Akutan, Alaska. This one was a foreshock.

Akutan forecast 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: 3.0 (ml), minor
Local time: Thu, Mar 22, 2018, 9:16 PM AKDT
UTC: 2018-03-23 05:16:51 UTC
Depth: 21.0 km (13.1 mi), shallow
Epicenter: 52.789° N, 164.835° 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.

Location uncertainty: About 4.5 km horizontally, 13.0 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 234°, poorly surrounded by stations
Stations used: 35

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Akutan, AlaskaPopulation 1,040. Forecast162 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 71 in the 60 days after this one and 14 in the 30 days before it.

After

The first 60 of 71.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000d81d (also filed as ak0183rp560g, ak18733984). Read Thu, Oct 1, 2026, 1:37 AM UTC.