M2.2 earthquake 156 km SSE of Atka, Alaska

A magnitude 2.2 earthquake struck 156 km SSE of Atka, Alaska on Sat, Feb 13, 2016, 2:03 AM HAST (12:03 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.3 72 km SSE of Atka, 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: at least 199 in the 60 days after this one and 15 in the 30 days before it.

The first 60 of at least 199.

From the USGS Earthquake Hazards Program and its partner networks, event ak01620yt8em (also filed as ak12857525). Read Mon, Oct 5, 2026, 1:50 PM UTC.