Alaska earthquakes

M2.5 earthquake 176 km SSE of Atka, Alaska

A magnitude 2.5 earthquake struck 176 km SSE of Atka, Alaska on Sat, Nov 5, 2016, 4:46 AM HADT (13:46 UTC), 25 km (15 mi) below the surface.

A larger quake followed: M3.9 126 km SE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.5 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sat, Nov 5, 2016, 4:46 AM HADT
UTC: 2016-11-05 13:46:37 UTC
Depth: 24.7 km (15.3 mi), shallow
Epicenter: 50.700° N, 173.362° 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: 13

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016e8wm5te (also filed as ak14314758, us100076ta). Read Sat, Oct 3, 2026, 1:08 PM UTC.