Alaska earthquakes

M2.1 earthquake 40 km NE of Adak, Alaska

A magnitude 2.1 earthquake struck 40 km NE of Adak, Alaska on Fri, Mar 25, 2016, 7:01 AM HADT (16:01 UTC), 133 km (82 mi) below the surface.

A larger quake followed: M4.1 101 km ESE of Adak, Alaska. This one was a foreshock.

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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-03-25 16:01:17 UTC
Depth
132.6 km (82.4 mi), intermediate-depth
Epicenter
52.085° N, 176.146° 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
16

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 115.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0163wu7opa (also filed as ak13304182). Read Sun, Oct 4, 2026, 11:08 PM UTC.