Alaska earthquakes

M2.2 earthquake 88 km SW of Atka, Alaska

A magnitude 2.2 earthquake struck 88 km SW of Atka, Alaska on Sat, Jan 18, 2020, 11:39 PM HAST (09:39 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.0 119 km SSW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-01-19 09:39:37 UTC
Depth
35.4 km (22.0 mi), shallow
Epicenter
51.698° N, 175.209° 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: 169 in the 60 days after this one and 66 in the 30 days before it.

After

The first 60 of 169.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020vksxtc. Read Fri, Oct 2, 2026, 7:24 PM UTC.