M2.2 earthquake 56 km ESE of Adak, Alaska

A magnitude 2.2 earthquake struck 56 km ESE of Adak, Alaska on Fri, Oct 28, 2016, 6:53 AM HADT (15:53 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M5.0 44 km ESE of Adak, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 35 in the 30 days before it.

The first 60 of 78.

From the USGS Earthquake Hazards Program and its partner networks, event ak016dvpjql7 (also filed as ak14283196). Read Sat, Oct 3, 2026, 4:59 PM UTC.