M2.1 earthquake 78 km ENE of Ugashik, Alaska

A magnitude 2.1 earthquake struck 78 km ENE of Ugashik, Alaska on Tue, Jun 28, 2016, 4:02 PM AKDT (00:02 UTC), 115 km (71 mi) below the surface.

A larger quake followed: M5.5 26 km SSE of King Salmon, 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.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 20 in the 30 days before it.

The first 60 of 78.

From the USGS Earthquake Hazards Program and its partner networks, event ak0168bcaamc (also filed as ak13731988). Read Mon, Oct 5, 2026, 2:24 AM UTC.