Alaska earthquakes

M2.4 earthquake 102 km S of Atka, Alaska

A magnitude 2.4 earthquake struck 102 km S of Atka, Alaska on Sat, Mar 19, 2016, 7:12 PM HADT (04:12 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M5.2 90 km S of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.4 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sat, Mar 19, 2016, 7:12 PM HADT
UTC: 2016-03-20 04:12:10 UTC
Depth: 17.1 km (10.6 mi), shallow
Epicenter: 51.278° N, 174.220° 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: 10

Nearby

Within 100 km, magnitude 1.5 and up: 155 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of 155.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0163odg3c4 (also filed as ak13012549). Read Sun, Oct 4, 2026, 12:35 PM UTC.