Alaska earthquakes

M2.2 earthquake 70 km E of Adak, Alaska

A magnitude 2.2 earthquake struck 70 km E of Adak, Alaska on Mon, Sep 14, 2020, 6:33 PM HADT (03:33 UTC), 197 km (122 mi) below the surface.

A larger quake followed: M5.3 76 km SW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ml), micro
Local time
UTC
2020-09-15 03:33:50 UTC
Depth
197.1 km (122.5 mi), intermediate-depth
Epicenter
51.962° N, 175.616° 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
20

Nearby

Within 100 km, magnitude 1.5 and up: 140 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 140.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020bwe6d7n. Read Tue, Sep 29, 2026, 7:18 AM UTC.