Alaska earthquakes

M2.3 earthquake 50 km ENE of Adak, Alaska

A magnitude 2.3 earthquake struck 50 km ENE of Adak, Alaska on Wed, Apr 14, 2021, 3:16 PM HADT (00:16 UTC), 183 km (114 mi) below the surface.

A larger quake followed: M4.2 46 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.3 (ml), micro
Local time
UTC
2021-04-15 00:16:34 UTC
Depth
183.2 km (113.8 mi), intermediate-depth
Epicenter
52.104° N, 176.009° 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
14

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 57 in the 30 days before it.

After

The first 60 of 72.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214tnixym. Read Sat, Sep 26, 2026, 8:56 PM UTC.