Alaska earthquakes

M2.0 earthquake 0 km E of Adak, Alaska

A magnitude 2.0 earthquake struck 0 km E of Adak, Alaska on Thu, Mar 11, 2021, 7:09 PM HAST (05:09 UTC), 98 km (61 mi) below the surface.

A larger quake followed: M4.4 44 km SE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-03-12 05:09:51 UTC
Depth
97.6 km (60.6 mi), intermediate-depth
Epicenter
51.874° N, 176.625° 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
19

Nearby

Within 100 km, magnitude 1.5 and up: 141 in the 60 days after this one and 65 in the 30 days before it.

After

The first 60 of 141.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02139i6uix. Read Thu, Sep 24, 2026, 11:57 AM UTC.