Alaska earthquakes

M1.5 earthquake 32 km SE of Adak, Alaska

A magnitude 1.5 earthquake struck 32 km SE of Adak, Alaska on Sun, Oct 11, 2020, 2:36 PM HADT (23:36 UTC), 25 km (15 mi) below the surface.

A larger quake followed: M4.3 39 km SSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.5 (ml), micro
Local time
UTC
2020-10-11 23:36:50 UTC
Depth
24.9 km (15.5 mi), shallow
Epicenter
51.673° N, 176.285° 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: 128 in the 60 days after this one and 92 in the 30 days before it.

After

The first 60 of 128.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020d3q2pc3. Read Mon, Sep 28, 2026, 1:12 PM UTC.