M1.5 earthquake 74 km W of Tyonek, Alaska

A magnitude 1.5 earthquake struck 74 km W of Tyonek, Alaska on Sat, Feb 4, 2017, 4:06 AM AKST (13:06 UTC), 132 km (82 mi) below the surface.

A larger quake followed: M3.4 43 km SSW of Skwentna, 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: at least 200 in the 60 days after this one and 123 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak0171m3l6ls (also filed as ak15201760). Read Sun, Oct 4, 2026, 8:06 PM UTC.