Alaska earthquakes

M2.2 earthquake 242 km WSW of Adak, Alaska

A magnitude 2.2 earthquake struck 242 km WSW of Adak, Alaska on Sat, Oct 28, 2017, 1:54 PM GMT-12 (01:54 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M4.2 262 km W of Adak, 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
2017-10-29 01:54:17 UTC
Depth
18.7 km (11.6 mi), shallow
Epicenter
51.182° N, 179.952° 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
12

Nearby

Within 100 km, magnitude 1.5 and up: 58 in the 60 days after this one and 31 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017dvh7uql (also filed as ak17146386). Read Fri, Oct 2, 2026, 4:14 AM UTC.