Alaska earthquakes

M2.5 earthquake 202 km WSW of Adak, Alaska

A magnitude 2.5 earthquake struck 202 km WSW of Adak, Alaska on Mon, Dec 26, 2016, 2:19 AM HAST (12:19 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M5.1 222 km WSW of Adak, 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: Mon, Dec 26, 2016, 2:19 AM HAST
UTC: 2016-12-26 12:19:42 UTC
Depth: 61.1 km (38.0 mi), shallow
Epicenter: 51.498° N, 179.498° 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: 64 in the 60 days after this one and 51 in the 30 days before it.

After

The first 60 of 64.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016gl89nef (also filed as ak14841974). Read Sat, Oct 3, 2026, 10:12 AM UTC.