Alaska earthquakes

M1.6 earthquake 44 km SSE of Adak, Alaska

A magnitude 1.6 earthquake struck 44 km SSE of Adak, Alaska on Sun, May 31, 2020, 7:23 PM HADT (04:23 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M5.2 52 km WNW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2020-06-01 04:23:38 UTC
Depth
32.3 km (20.1 mi), shallow
Epicenter
51.513° N, 176.373° 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
17

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 126 in the 30 days before it.

After

The first 60 of 178.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020713que6. Read Wed, Sep 30, 2026, 12:20 AM UTC.